Laser surgery is commonly used on the eye. Techniques used include LASIK, which is used to correct near and far-sightedness in vision, and photorefractive keratectomy, a procedure which permanently reshapes the cornea using an excimer laser to remove a small amount of the human tissue.
• Glaucoma is a group of eye conditions that damage the optic of which is vital for good vision. • This damage is often caused by an abnormally high pressure in your eye. Glaucoma is one of the leading causes of blindness for people over the age of 60.
Normally, both eyes are aimed at the same target and visual axes are parallel to each other for both eyes. When visual axes are misaligned and the eyes point in different directions, this condition is called as strabismus (crossed eyes).