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Cataract Surgery - For A Better and Clear Vision

Cataract is the clouding of eye's natural lens, which lies behind the iris and the pupil. Cataracts are the most common cause of vision loss in people over the age of 40 and are the most common cause of blindness in the world. In fact, there are more cases of cataracts worldwide than there are of glaucoma, macular degeneration and diabetic retinopathy combined.

What are the different types of cataract ?

The different types of cataract include:

Subcapsular cataract: It occurs at the back of the lens. People with diabetes or those taking high dosage of steroid medications have a greater risk of developing a subcapsular cataract

Nuclear cataract: It is formed deep in the nucleus of the lens. Nuclear cataracts are usually associated with aging.

Cortical cataract: It is mainly characterized by white, wedge-like opacities that start in the periphery of the lens and work their way to the center in a spoke-like fashion. This type of cataract mainly occurs in the lens cortex, which is the part of the lens that surrounds the central nucleus.

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What are the different types of cataract ?

  • Increasing difficulty with vision at night
  • Double vision
  • Seeing "halos" around lights
  • Sensitivity to light
  • Fading or yellowing of colors
  • Frequent changes in eyeglass or contact lens prescription
  • Double vision in a single eye

What causes cataract ?

The lens inside the eye works much like a camera lens, focusing light onto the retina for clear vision. It also adjusts the eye's focus, letting us see things clearly both up close and far away. The lens is mainly made of water and protein. The protein is arranged in a precise way that keeps the lens clear and let’s light passes through it. But as we age, some of the protein may combine together and start to cloud a small area of the lens. This is a cataract, and over time, it may grow larger and cloud more of the lens, making it harder to see.

How is cataract treated ?

Cataract surgery is very successful in restoring vision. During surgery, the surgeon will remove the clouded lens and in most cases replace it with a clear, plastic IOL. New IOLs are being developed all the time to make the surgery less complicated for surgeons.

Neera Eye Center is a comprehensive eye health facility in Delhi, offers state-of-the-art modern diagnostic, therapeutic, and rehabilitative services in ophthalmology.

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