Cataract Surgery

In cataract surgery, the cloudy lens of the eye is replaced by another clear intraocular lens. It is among the most commonly performed surgery in humans. Micro-incision cataract surgery(2.2mm incision) with foldable IOL is our procedure of choice. There are a variety of lenses, which are implanted after cataract surgery, depending on the patient’s requirements. The most commonly implanted are Monofocal lenses. They provide clear vision for distance, but glasses are required for near activities. The advantages are high-quality distance vision, good contrast sensitivity, and comfortable night driving. The most important limitation of this group of lenses is difficulty in near vision and the need for glasses for near work. Patients may or may not require glasses for computer work.

The next group of lenses is Multifocal lenses. They provide clear vision for near and distant. The biggest advantage is the freedom of glasses for near and distant. But these lenses have a slight limitation of difficulty in night driving due to glare in dim light. Patients have a reduced contrast sensitivity and are not recommended in patients with associated ocular pathologies.

Toric lens

They are available in both monofocal and multifocal lenses. They are recommended for people with astigmatism to reduce their dependency on glasses. This lens will be recommended by your ophthalmologist after the IOL master.

EDOF(Extended depth of focus)

These are the most recent lenses. They provide a continuous range of vision for distance, intermediate, and near work. They are the lenses of choice for working people the require good laptop vision. No difficulty in night driving and no glare. They are relatively expensive lenses.

Some myths about cataract surgery!!

01. You should delay the surgery till the cataract is mature.

Fact- with the newer ultrasonic phaco machines and micro-incision surgeries, the surgery is safer and easier with not so mature cataracts. Risk of complications is higher in patients with hard, mature cataracts.

02. Precautions after surgery are too many.

Fact- after surgery, the patient needs to protect his eye from trauma and infection along with putting the prescribed medications. There is no dietary restriction, no need to be in the dark, no limitation of cooking.

03. The lens has a limited time period in the eye.

Fact- the lifetime of the lens is till the person is alive.

04. The vision gained after surgery gets deteriorated over time.

Fact- the patient may develop posterior capsular opacification( PCO) sometime after cataract surgery, which can be easily removed as an OPD procedure using laser. This again restores the clear vision.

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