What is a Cortical Cataract and How Can It Affect Your Vision?
A cortical cataract is a common form of age-related cataract that develops in the outer edge (cortex) of the eye lens and gradually extends inward, affecting your ability to see clearly. At Vasan Eye Care, a part of ASG Enterprises with over 150 centres across India, our team of 500+ experienced eye care specialists is committed to helping you understand, manage and treat cortical cataract with advanced surgical solutions and compassionate care.
If you or a loved one has been diagnosed with a cortical cataract, early evaluation and timely treatment can help preserve your vision and quality of life.
Understanding Cortical Cataract
A cortical cataract begins as white, wedge-shaped opacities that form along the outer rim of the lens cortex. These opacities, often called cortical spokes, slowly spread towards the centre of the lens. As the cortical cataract progresses, light entering the eye becomes scattered, leading to glare, blurred vision and difficulty with contrast sensitivity.
The lens of the eye is made up of three parts: the nucleus (centre), the cortex (outer layer) and the capsule (thin outer covering). A cortical cataract specifically affects the cortex, which is the soft, clear tissue surrounding the nucleus. Over time, changes in the water and protein composition of the cortex cause the lens fibres to become opaque.
Think of the lens as the spokes of a bicycle wheel. In a cortical cataract, the opacities start at the outer rim and grow inward along these spoke-like lines. When light passes through the lens, these opaque spokes scatter the light in multiple directions, creating the characteristic glare and halos that are typical of cortical cataract.
Cortical cataract is one of the most frequently diagnosed types of cataract worldwide. It is particularly common in India, where a combination of high UV exposure, a rising elderly population, and a high prevalence of diabetes makes cortical cataract a major cause of treatable vision loss. The good news is that cortical cataract responds very well to modern cataract surgery.
Detail | Information |
Condition | Cortical Cataract |
Affected Area | Lens cortex (outer layer of the eye lens) |
Common Age Group | Adults over 50 years |
Primary Symptom | Glare sensitivity and blurred vision |
Treatment | Surgical removal with intraocular lens (IOL) implantation |
Outlook | Excellent visual recovery following surgery |
What are the Symptoms of a Cortical Cataract?
Recognising cortical cataract symptoms early is important for timely intervention. Cortical cataract symptoms tend to develop gradually and may not be noticeable in the initial stages. As the cortical cataract grows and the opacities spread towards the visual axis, cortical cataract symptoms become more apparent.
Cortical Cataract Symptoms to Watch For
Symptom | Description |
Increased Glare Sensitivity | One of the earliest and most characteristic cortical cataract symptoms. Bright lights, headlights and sunlight cause significant discomfort and visual disturbance. |
Blurred or Hazy Vision | As the cortical cataract extends inward, the lens loses its clarity, resulting in a general blurring of vision that worsens over time. |
Reduced Contrast Sensitivity | Difficulty distinguishing between objects of similar shades or colours, making everyday tasks such as reading or driving more challenging. |
Monocular Double Vision | A cortical cataract can cause light to split as it passes through the opaque cortical spokes, leading to double vision in the affected eye. |
Problems with Depth Perception | Judging distances becomes harder, which can affect activities such as climbing stairs, pouring liquids or playing sports. |
Difficulty with Night Vision | Cortical cataract symptoms often include trouble seeing in low-light conditions, with halos appearing around lights at night. |
Changes in Colour Perception | Colours may appear faded, washed out or slightly yellowish as the cortical cataract affects how light is processed by the lens. |
Difficulty Reading Small Print | Near vision tasks become increasingly difficult, and frequent changes in spectacle prescription may be needed as the cortical cataract progresses. |
If you are experiencing any of these cortical cataract symptoms, we encourage you to schedule an eye examination at your nearest Vasan Eye Care centre.
When Should You See a Doctor?
Please visit an eye specialist if:
• You are finding it increasingly difficult to drive at night because of glare from headlights
• Bright sunlight or overhead lights are causing significant visual discomfort
• Your vision has become noticeably blurred or hazy and new glasses do not help
• You are needing frequent spectacle prescription changes
• Colours appear faded or you have noticed changes in contrast sensitivity
• You are seeing double in one eye or seeing halos around lights at night
• You have diabetes and have not had a comprehensive eye examination in the past year
• You are over 50 and have not had a comprehensive eye check-up recently
Early assessment makes a meaningful difference. The sooner cortical cataract is diagnosed and planned for, the easier and safer cortical cataract surgery tends to be.
What are the Different Types of Cortical Cataract?
Understanding the different types of cortical cataract and how they compare to other cataract types can help you better understand your diagnosis.
How Cortical Cataract Differs from Other Cataract Types
There are three primary types of age-related cataracts. While cortical cataract is defined by its location in the cortex of the lens, the other types affect different areas:
- Cortical Cataract A cortical cataract forms in the lens cortex and appears as white, wedge-shaped streaks on the outer edge of the lens. These streaks, known as cortical spokes or radial opacities, gradually extend towards the centre. Cortical cataract is particularly associated with glare and difficulty in bright light conditions.
- Nuclear Sclerotic Cataract This type develops in the central nucleus of the lens. It tends to cause a gradual yellowing and hardening of the lens centre. Unlike cortical cataract, nuclear sclerotic cataract may initially cause a temporary improvement in near vision (sometimes called “second sight”) before vision deteriorates further.
- Posterior Subcapsular Cataract (PSC) This type forms on the back surface of the lens, just inside the capsule. It tends to progress more rapidly than cortical cataract and causes significant difficulty with reading and bright light. PSC is more commonly associated with steroid use and diabetes.
Stages of Cortical Cataract Progression
A cortical cataract typically progresses through the following stages:
Early (Incipient) Stage: Small, spoke-like opacities appear at the periphery of the lens cortex. Vision may remain largely unaffected during this stage.
Intumescent Stage: The cortical cataract absorbs water, causing the lens to swell. This can lead to a shallow anterior chamber and, in some cases, increased eye pressure.
Mature Stage: The cortical cataract opacities have spread across the entire cortex, rendering the lens completely white and opaque. Vision is severely affected.
Hypermature Stage: The cortical material begins to liquefy and may leak through the capsule, potentially causing inflammation within the eye.
It is important to address a cortical cataract before it reaches the advanced stages, as surgery becomes more complex in mature and hypermature cataracts.
What Causes a Cortical Cataract to Develop?
Understanding the causes of cortical cataract can help you take preventive steps and seek timely care. Cortical cataract causes are multifactorial, involving a combination of age-related changes, environmental exposures and underlying health conditions.
Primary Causes of Cortical Cataract
Ageing and Protein Denaturation: The primary cause of cortical cataract is the age-related breakdown of proteins within the lens cortex. Over decades, the structural proteins (crystallins) in the lens cortex undergo oxidative damage and begin to clump together, creating areas of opacity. This process is a natural part of ageing, but certain factors can accelerate it.
Ultraviolet (UV) Radiation Exposure: Prolonged exposure to UV-B radiation from sunlight is one of the most well-established cortical cataract causes. Studies have shown that individuals with higher cumulative UV exposure have a significantly greater likelihood of developing cortical cataract. This is particularly relevant in India, where sunlight exposure tends to be high throughout the year.
Diabetes Mellitus: Diabetes is a major risk factor for cortical cataract. Elevated blood sugar levels lead to the accumulation of sorbitol within the lens, which draws in water through osmosis, causing swelling of the lens fibres and eventual opacity. Individuals with diabetes often develop cortical cataract at a younger age than those without the condition.
Genetic Predisposition: Family history plays a role in cortical cataract development. Research suggests that genetic factors may influence the susceptibility of lens proteins to oxidative damage, making some individuals more prone to developing cortical cataract than others.
Risk Factors for Cortical Cataract
Risk Factor | How It Contributes to Cortical Cataract |
Age (over 50 years) | Natural degeneration of lens cortex proteins over time |
UV radiation exposure | Accelerates oxidative damage to the lens cortex, a leading cortical cataract cause |
Diabetes mellitus | Sorbitol accumulation causes lens fibre swelling and cortical opacity |
Smoking | Introduces free radicals that damage lens proteins and promote cortical cataract formation |
Family history | Genetic susceptibility to protein clumping in the lens cortex |
Eye trauma or injury | Physical damage to the lens can trigger localised cortical cataract development |
Prolonged corticosteroid use | Long-term steroid medications are associated with lens changes including cortical cataract |
Dehydration and poor nutrition | Lack of adequate hydration and antioxidant-rich foods may contribute to cortical cataract causes |
High myopia (severe short-sightedness) | Structural changes in highly myopic eyes may increase cortical cataract risk |
Can You Reduce Your Risk of Cortical Cataract?
While ageing is the most significant factor, you can take steps to reduce your risk of developing a cortical cataract:
• Wear UV-protective sunglasses when outdoors
• Manage blood sugar levels if you have diabetes
• Avoid smoking or seek support to quit
• Eat a balanced diet rich in antioxidants (leafy greens, fruits, nuts)
• Attend regular eye examinations, especially after the age of 40
How Do Doctors Diagnose Cortical Cataract?
Diagnosing a cortical cataract involves a thorough eye examination performed by a qualified ophthalmologist. At Vasan Eye Care, our specialists use advanced diagnostic equipment to accurately assess the type, location and severity of your cortical cataract.
Diagnostic Procedures for Cortical Cataract
- Visual Acuity Test This standard eye chart test measures how clearly you can see at various distances. A decline in visual acuity may indicate the presence of a cortical cataract or other eye condition.
- Slit-Lamp Examination The slit-lamp biomicroscope allows the ophthalmologist to examine the structures of the eye in fine detail. Under magnification, the characteristic wedge-shaped opacities of a cortical cataract are clearly visible within the lens cortex.
- Dilated Eye Examination Eye drops are used to dilate (widen) the pupil, giving the doctor a broader view of the lens. This is essential for assessing the full extent of the cortical cataract, including opacities that may not be visible through an undilated pupil.
- Retroillumination Photography This specialised imaging technique illuminates the lens from behind, making cortical cataract spokes appear as dark shadows against a bright background. It is particularly useful for documenting the progression of a cortical cataract over time.
- Optical Coherence Tomography (OCT) While primarily used for retinal assessment, OCT can also help evaluate the overall health of the eye, ensuring that other conditions are not contributing to your symptoms alongside the cortical cataract.
- Biometry and IOL Calculation If cortical cataract surgery is planned, precise measurements of the eye are taken using advanced biometry devices. These measurements help determine the correct power of the intraocular lens (IOL) that will replace the cloudy natural lens.
Early and accurate diagnosis of cortical cataract ensures that you receive the most appropriate and timely treatment.
What Does Cortical Cataract Treatment Look Like?
Cortical cataract treatment depends on the stage of the cataract and how significantly it affects your daily life. In the early stages, non-surgical measures may help manage symptoms. However, when a cortical cataract begins to interfere with routine activities, cortical cataract surgery is the recommended treatment. In many cases, cortical cataract treatment is a step-by-step process rather than a single intervention.
Cortical Cataract Treatment Options
- Observation and Monitoring In the early stages, when the cortical cataract is small and located at the periphery of the lens, it may not significantly affect vision. Your ophthalmologist may recommend periodic monitoring with regular eye examinations to track the progression of the cortical cataract.
- Updated Spectacle Prescription As the cortical cataract progresses, your spectacle prescription may change. An updated prescription can temporarily improve vision and help manage symptoms while the cortical cataract is still in its early to moderate stages.
- Anti-Glare Measures Since glare is a hallmark symptom of cortical cataract, anti-glare coated spectacles, polarised sunglasses and the use of visors or hats in bright conditions can offer symptomatic relief. These measures do not treat the cortical cataract itself but can improve comfort.
- Phacoemulsification (Preferred Cortical Cataract Surgery) Phacoemulsification is the most widely performed cortical cataract surgery worldwide and is the standard approach at Vasan Eye Care. During this procedure, a small incision (approximately 2.2 to 2.8 mm) is made in the cornea, an ultrasound probe is inserted to break up (emulsify) the cortical cataract into tiny fragments, the fragmented lens material is gently suctioned out of the eye, and a foldable intraocular lens (IOL) is implanted through the same small incision. Phacoemulsification for cortical cataract is typically performed under topical (eye drop) anaesthesia and takes approximately 15 to 30 minutes. Most patients experience significant visual improvement within a few days of cortical cataract surgery.
- Femtosecond Laser-Assisted Cataract Surgery (FLACS) For patients seeking enhanced precision, femtosecond laser-assisted surgery is available at select Vasan Eye Care centres. The laser automates several key steps of cortical cataract surgery, including the corneal incision, capsulotomy (opening of the lens capsule) and lens fragmentation. This advanced approach to cortical cataract treatment may offer faster recovery and greater accuracy.
- Intraocular Lens (IOL) Selection Following cortical cataract surgery, the cloudy natural lens is replaced with an artificial intraocular lens. Several IOL options are available: Monofocal IOL provides clear vision at one distance (usually far) and reading glasses may still be needed; Multifocal IOL is designed to provide clear vision at multiple distances, reducing dependence on spectacles; Toric IOL corrects pre-existing astigmatism along with the cortical cataract, providing sharper vision; and Extended Depth of Focus (EDOF) IOL offers a continuous range of vision from far to intermediate distances. Your Vasan Eye Care surgeon will discuss the most suitable IOL option based on your individual visual needs, lifestyle and the characteristics of your cortical cataract.
How a Cortical Cataract Affects Driving and Daily Activities
A cortical cataract can have a significant impact on your ability to drive safely, particularly at night or in bright sunlight. The characteristic glare sensitivity caused by cortical cataract means that oncoming headlights can create a blinding effect, making night driving hazardous. During the day, bright sunlight can scatter through the cortical cataract opacities, causing a similar dazzling effect.
Beyond driving, a cortical cataract can interfere with a wide range of daily activities. Reading becomes more difficult as the cortical cataract reduces contrast sensitivity. Watching television, using a computer or mobile phone, cooking, and navigating stairs can all become challenging as the cortical cataract progresses. Many patients with cortical cataract also report difficulty recognising faces at a distance.
The impact of cortical cataract on quality of life should not be underestimated. Studies have shown that individuals with untreated cortical cataract have a higher risk of falls and injuries, reduced social participation and increased dependence on others. If your cortical cataract is affecting your daily activities, it is a clear indication that a comprehensive eye evaluation and discussion about cortical cataract treatment options are warranted.
At Vasan Eye Care, our team understands how a cortical cataract can affect every aspect of your life. We work closely with each patient to determine the right time for cortical cataract surgery and to select the most appropriate treatment approach for their individual needs.
What Happens During and After Cortical Cataract Surgery?
Understanding the surgical process can help ease any concerns about cortical cataract surgery. Here is a step-by-step overview:
Before Surgery
• A comprehensive pre-operative assessment is carried out, including biometry measurements to determine the correct IOL power
• You will be given instructions about fasting, medications and what to expect on the day of cortical cataract surgery
During Surgery
• The eye is numbed with anaesthetic drops or a local injection
• A small incision is made in the cornea
• The front part of the lens capsule is opened (capsulotomy)
• The cortical cataract is broken up using ultrasound energy (phacoemulsification) and removed
• The cortical lens material is carefully aspirated to ensure complete removal
• A foldable IOL is inserted through the small incision and positioned within the lens capsule
• The incision is self-sealing and typically does not require stitches
After Surgery
• You will rest briefly in the recovery area before being discharged on the same day
• A protective eye shield is placed over the operated eye
• You will be prescribed antibiotic and anti-inflammatory eye drops
• Follow-up appointments are scheduled at one day, one week and one month after cortical cataract surgery
• Most patients can resume normal activities within a few days, though strenuous exercise and swimming should be avoided for several weeks
Cortical cataract surgery at Vasan Eye Care is performed by experienced surgeons using state-of-the-art equipment, ensuring safe and effective outcomes.
Cortical Cataract and Diabetes: What is the Connection?
The relationship between diabetes and cortical cataract is well documented in medical literature. Individuals with diabetes are significantly more likely to develop a cortical cataract, and they tend to develop it at a younger age compared to individuals without diabetes.
The mechanism behind this connection involves the way the lens handles excess glucose. In diabetes, elevated blood glucose levels lead to increased glucose in the aqueous humour (the fluid that nourishes the lens). The lens absorbs this excess glucose, which is then converted to sorbitol by the enzyme aldose reductase. Sorbitol accumulates within the lens fibres because it cannot easily pass through cell membranes. This accumulation draws water into the lens through osmosis, causing the cortical fibres to swell, disrupting their orderly arrangement and eventually leading to cortical cataract.
For individuals with diabetes, managing blood sugar levels is an important step in slowing the progression of cortical cataract. Regular eye examinations are particularly important for diabetic patients, as cortical cataract may progress more rapidly and may coexist with diabetic retinopathy, which requires separate evaluation and management.
At Vasan Eye Care, our specialists are experienced in managing cortical cataract in patients with diabetes. We coordinate care to ensure that both the cortical cataract and any associated diabetic eye conditions are addressed comprehensively.
How Can You Protect Your Eyes from Cortical Cataract?
While it is not possible to prevent cortical cataract entirely, there are evidence-based measures that can help reduce your risk or slow the progression of early cortical cataract:
UV Protection: Wearing sunglasses that block 99 to 100 percent of UV-A and UV-B radiation is one of the most effective preventive measures against cortical cataract. A wide-brimmed hat provides additional protection.
Nutritional Support: A diet rich in antioxidants may help protect the lens from oxidative damage that contributes to cortical cataract formation. Foods high in vitamins C and E, lutein, zeaxanthin and omega-3 fatty acids are considered beneficial. These include green leafy vegetables, citrus fruits, nuts, seeds and oily fish.
Smoking Cessation: Smoking significantly increases the risk of cortical cataract. Quitting smoking at any age can help reduce this risk.
Blood Sugar Management: For individuals with diabetes, maintaining healthy blood glucose levels through diet, exercise and medication can help delay the onset and progression of cortical cataract.
Regular Eye Examinations: Annual eye check-ups after the age of 40 can help detect a cortical cataract in its early stages, when monitoring and lifestyle modifications can be most beneficial. At Vasan Eye Care, we recommend comprehensive eye examinations as part of your overall health care routine.
Cortical Cataract Care at Vasan Eye Care
Cortical cataract is one of the most common eye conditions our team at Vasan Eye Care sees and manages every day. Our specialists are highly experienced in diagnosing and treating all stages of cortical cataract using the latest surgical technology.
When you visit us for a cortical cataract assessment, here is what you can expect:
• A comprehensive eye examination including visual acuity, slit-lamp, dilated retinal assessment, retroillumination and biometry where surgery is being planned
• A clear explanation of the stage of cortical cataract you have and how it is affecting your vision
• Honest guidance on whether cortical cataract surgery is needed and the timing that makes sense for your situation
• Access to modern surgical techniques including phacoemulsification and femtosecond laser-assisted cataract surgery (FLACS)
• A choice of intraocular lens options (monofocal, multifocal, toric, EDOF) suited to your visual needs and lifestyle
• Detailed pre-operative counselling and post-operative follow-up care
• Coordinated care for coexisting conditions such as diabetes, diabetic retinopathy, AMD, and glaucoma
Our 500+ eye care experts, 5,000+ dedicated staff, and 150+ centres across India, as part of ASG Enterprises, make specialist cataract care accessible wherever you are.
Cortical Cataract at a Glance
| Parameter | Details |
| Condition Name | Cortical Cataract |
| Also Known As | Cortical Lens Opacity, Cuneiform Cataract |
| Affected Structure | Lens cortex (outer layer) |
| Common Age | Over 50 years |
| Key Symptom | Glare sensitivity and blurred vision |
| Key Cause | Age-related protein changes in the lens cortex |
| Major Risk Factors | UV exposure, diabetes, smoking, genetics |
| Diagnosis | Slit-lamp examination, dilated eye exam, retroillumination |
| Primary Treatment | Cortical cataract surgery (phacoemulsification) with IOL implantation |
| Surgery Duration | Approximately 15 to 30 minutes |
| Recovery Period | Visual improvement within 24 to 48 hours; full recovery in 4 to 6 weeks |
| Where to Get Help | Vasan Eye Care (150+ centres, 500+ specialists) |
| Contact | 1800 571 2222 |
Glossary of Terms Related to Cortical Cataract
| Term | Definition |
| Cortical Cataract | A type of cataract that develops in the cortex (outer layer) of the eye lens, characterised by white, wedge-shaped opacities |
| Lens Cortex | The soft, transparent outer layer of the eye lens that surrounds the central nucleus |
| Cortical Spokes | The wedge-shaped or radial opacities that are characteristic of a cortical cataract |
| Phacoemulsification | A surgical technique that uses ultrasound energy to break up a cataract (including cortical cataract) for removal |
| Intraocular Lens (IOL) | An artificial lens implanted in the eye after cataract surgery to replace the cloudy natural lens |
| Capsulotomy | The surgical step of creating an opening in the lens capsule to access and remove the cortical cataract |
| Slit-Lamp Examination | A diagnostic technique using a high-intensity light and microscope to examine the structures of the eye, including the cortical cataract |
| Retroillumination | An imaging method that illuminates the lens from behind to visualise cortical cataract opacities |
| Biometry | The measurement of the eye used to calculate the correct IOL power before cortical cataract surgery |
| Oxidative Damage | Damage to cells and proteins caused by free radicals, a key process in cortical cataract formation |
| Sorbitol | A sugar alcohol that accumulates in the lens of diabetic individuals, contributing to cortical cataract |
| Visual Acuity | A measure of the sharpness of vision, often reduced in advanced cortical cataract |
Related Eye Conditions
If you have been diagnosed with a cortical cataract, your ophthalmologist may also evaluate you for the following related conditions:
Nuclear Sclerotic Cataract: Another common type of age-related cataract affecting the central lens nucleus, which may coexist with cortical cataract.
Posterior Subcapsular Cataract: A cataract forming at the back of the lens, sometimes occurring alongside cortical cataract.
Diabetic Retinopathy: Damage to the retinal blood vessels caused by diabetes, frequently seen in patients who also have cortical cataract due to diabetes.
Age-Related Macular Degeneration (AMD): A condition affecting the central part of the retina, which may coexist with cortical cataract in older adults.
Glaucoma: Increased eye pressure that can occasionally be triggered by a swollen or hypermature cortical cataract (lens-induced glaucoma).
Pseudoexfoliation Syndrome: A condition involving abnormal protein deposits on the lens surface, which may be associated with cortical cataract in some individuals.
If you have any of these conditions alongside your cortical cataract, the specialists at Vasan Eye Care will develop a comprehensive treatment plan addressing all aspects of your eye health.
References
Cleveland Clinic. Cataracts (Age-Related). https://my.clevelandclinic.org/health/diseases/8589-cataracts-age-related
National Center for Biotechnology Information (NCBI). Cortical Cataract: Pathophysiology and Advances in Treatment. https://pmc.ncbi.nlm.nih.gov/articles/PMC12193184/
National Center for Biotechnology Information (NCBI). Cataract. StatPearls. https://www.ncbi.nlm.nih.gov/books/NBK539699/
Disclaimer: This content is intended for informational purposes only and does not constitute medical advice. Please consult a qualified ophthalmologist for diagnosis and treatment of cortical cataract or any other eye condition. Individual results from cortical cataract surgery may vary.
For appointments, call 1800 571 2222 or visit your nearest Vasan Eye Care centre.
Frequently Asked Questions (FAQs)
The most effective cortical cataract treatment is surgical removal of the cloudy lens followed by implantation of an artificial intraocular lens (IOL). Phacoemulsification is the most commonly performed cortical cataract surgery, offering a safe, minimally invasive approach with excellent visual outcomes. While spectacle adjustments and anti-glare measures may help manage early cortical cataract symptoms, surgery remains the only way to remove the cortical cataract and restore clear vision.
A cortical cataract is a progressive condition that, if left untreated, can lead to significant visual impairment. In its early stages, a cortical cataract may cause only mild symptoms such as glare sensitivity. However, as the cortical cataract advances, it can severely affect your ability to perform daily activities such as driving, reading and recognising faces. In rare cases, a hypermature cortical cataract can cause complications such as lens-induced glaucoma or inflammation. Therefore, timely evaluation and cortical cataract treatment are important.
In the early stages, many individuals with a cortical cataract can manage their symptoms with updated spectacle prescriptions and anti-glare measures. However, a cortical cataract is a progressive condition, meaning it will continue to worsen over time. There is currently no medication or eye drop that can reverse or halt a cortical cataract. Eventually, most individuals with a cortical cataract will require surgery to maintain functional vision and quality of life.
Cortical cataracts form due to changes in the protein and water content of the lens cortex. As we age, the structural proteins within the cortex undergo oxidative damage and begin to clump together, creating opaque areas. Cortical cataract causes also include prolonged UV exposure, diabetes, smoking, eye trauma and genetic predisposition. These factors accelerate the natural degenerative process within the lens cortex, leading to cortical cataract formation.
A cortical cataract most commonly develops in individuals over the age of 50, although it can occur earlier in people with risk factors such as diabetes, significant UV exposure or a family history of cataracts. Regular eye examinations after the age of 40 are recommended to detect a cortical cataract in its early stages.
The rate of cortical cataract progression varies from person to person. Some cortical cataracts progress slowly over many years, while others may advance more rapidly, particularly in individuals with diabetes or those exposed to significant UV radiation. Regular monitoring by an ophthalmologist can help track the progression of your cortical cataract and determine the optimal time for surgery.
Cortical cataract surgery is performed under local or topical anaesthesia, which means the eye is numbed before the procedure. Most patients report little to no discomfort during cortical cataract surgery. Mild irritation, watering and light sensitivity are common in the first few days after surgery but typically resolve quickly.
Most patients notice a significant improvement in vision within 24 to 48 hours after cortical cataract surgery. Full visual recovery usually occurs within four to six weeks. During this period, you will be prescribed eye drops to prevent infection and reduce inflammation. Your Vasan Eye Care surgeon will provide detailed post-operative instructions and schedule follow-up visits to monitor your recovery after cortical cataract surgery.
