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.