Cataract is clouding of the lens of the eye due to protein build up. This clouding of the lens prevents the light from entering the lens and thus lens are not able to focus the image on retina, which takes image to brain for processing. Cataract may be due to old age, it can be from the birth due to some injuries or infection before birth of a child. The exposure to certain drugs such as corticosteroids or diuretics, ultraviolent rays of sun, radiation or advance stage of diabetes can also cause cataract. Injury to eye, consumption of alcohol, heavy smoking, long term use of steroids, air pollution can also lead to cataract .Any disease in the eye such as glaucoma, retinitis, retinal detachment, pigmentosa or long term uveitis can also progress to cataract. The potential risk to cataract is there for a person with family history of cataract.
Surgery is the only way to get rid of the cataract .There is two kinds of surgeries and use of any surgery will depend on the kind of cataract one has. Though many people can work well with contact lens and glasses. But in serious cases, when the vision is deteriorating and vision loss is possible for ever, then surgery is suggested. In adults, the degree of vision affected by the cataract determines the surgery need and in children the surgery need depends on the degree of interference with normal vision development.
In small incision surgery, sound waves are used to break up the lens into smaller pieces .Laser is also used to break the lens .This is the most common way of removing cataract . In the second called extracapsular cataract extraction surgery, the lens and its front portion, is opened and then removed in one piece. Second surgery is given to person who have cataract in both eyes. The surgery is not done on both eyes. Cataract surgery in Delhi. The first eye is given time to heal and then depending on the improvement in one eye; the surgery on another eye is performed. Anyone with glaucoma and cataract diseases, the surgery can be given at the same time for both the conditions.
After the surgery, the clouding of posterior lens capsule may occur within 5 years. But it is not considered as a serious problem and it treated with a laser surgery. Since the possibility of vision loss is always present with the cataract, the services of an eye specialist should be taken without loss of time. For people with other eye conditions such as farsighted, nearsighted or astigmatism, LASIK surgery is given to correct the vision. Lasik laser in Delhi. The main function of the LASIK surgery is to reshape the cornea, so that the light is properly focused on the retina. The need for contact and glasses also comes down after LASIK.