Cataract is an opacity or clouding of the lens inside the eye, thereby distorting the light as it enters the eye. Cataract is often confused with pterygium but cataract cannot be seen on the surface of the eye.
Cataract is an opacity or clouding of the lens inside the eye, thereby distorting the light as it enters the eye. Cataract is often confused with pterygium but cataract cannot be seen on the surface of the eye.