is opacity or reduction in clarity of the lens of the eye. This can mean anything from mild cloudiness of the lens to complete opacification.Most people over the age of 50 have some haziness over the lens and the situation only becomes relevant if the lens opacity
is interfering with vision.Cataract is the most common cause of blindness
in the world today. It is, however, treatable with highly effective surgery and cataract removal is the most common eye operation
in the world.