When is a person said to have developed cataract in his eye? How is the vision of a person having cataract restored?
When is a person said to have developed cataract in his eye? How is the vision of a person having cataract restored?

When a person’s eye develops a gradual hazy development that causes impaired vision, he is said to have acquired cataract. Surgery is used to address this flaw. In addition, an opaque lens is removed from the eye and replaced with a new artificial lens.