Glaucoma is a term given to a group of eye conditions in which the optic nerve is damaged leading to loss of visual field.

A cataract is clouding or opacity of the lens inside the eye. It causes gradual blurring of vision and finally blindness.

Squint is a condition where the eyes point in different directions. One eye may turn inwards, outwards, upwards or downwards while the other eye may look differently.

Amblyopia / Lazy Eyes occurs in childhood due to incomplete development of vision.