A cataract is defined as a clouding of the lens in the eye where your vision gets blurred. A cataract affects the eyes, when light that passes through the lens prevents a clearly formed image from reaching your retina. The disease is very common and usually, develops as your eyes age or due to any injury caused to the tissues that cover your eye's lens.
In general, after the age of 60 years, there is a condition that occurs in the eye where protein builds up as a cloud in it. This condition is very common in older people of age group of 50-80 years.
Cataract is affecting vision of patient causing view like looking through a frosty or fogged up window with reduced vision or sometime complete loss of vision. As mentioned already, clump of protein are formed in area of lens which is unable to send clear images to retina and retina’s function gets disturbed.
In some cases, people face this condition in both eyes at the same time or else with a gap of certain period of time and this disease does not spread from one eye to another eye. Cataract condition of eye, in many cases considered as basic cause of blindness if left untreated. For getting rid out of this protein formed in eyes, patients have undergone surgery. Some of the causes of the disease are the old age, other causes of cataract such as smoking, addiction of alcohol, prolonged sunlight exposure, to name a few.