Age-related macular degeneration (AMD) is the most common cause of blindness in individuals age 65 and older in the western world. It results from a hardening of the arteries that nourish the retina affecting the macula, part of the retina that is responsible for clear vision. Deprived of oxygen and

Farsightedness occurs when light entering the eye focuses behind the retina instead of directly on it. This is caused by a cornea that is flatter or an eye that is shorter, than a normal eye. Farsightedness causes difficulty seeing up close.Symptoms of farsightedness include blurred distance vision,

Blepharitis is a common inflammatory condition that causes burning, itching and irritation of the eyelids. In severe cases, it may also cause styes and irritation or inflammation of the cornea (keratitis) or conjunctiva (conjunctivitis). Blepharitis is characterized by sandy, itchy eyes, red or swollen

Retinal vascular occlusions may involve both arteries and veins. Far more common are retinal vein occlusions. They occur when a retinal vein becomes obstructed by an adjacent blood vessel. This causes hemorrhage in the retina, which can result in swelling and lack of oxygen to the retina and sometimes

Uveitis is an inflammation of the eye's structures responsible for its blood supply. The structures, called the uveal tract, include the iris, ciliary body and choroid. There are three major types of uveitis, each classified by the structures it affects. 1. Anterior uveitis (also known as iridocyclitis)