Dr. David R. Rivera M.D.

Cataracts is a cloudy area in the lens of the eye that blocks the light entering the eye, thus affecting vision. Surgery is one of the most common options to treat cataracts and improve vision. It is performed by an ophthalmologist and in most cases, is an outpatient procedure. Cataracts is an eye...

Parkinson’s disease is a chronic, progressive movement disorder that affects the nervous system. It is characterized by gradual death and breakdown of nerve cells in the brain resulting in the decreased production of a chemical messenger called dopamine. Reduced dopamine levels cause abnormal...

What is Double Vision?Seeing two images of the same object displaced horizontally or vertically is known as double vision or diplopia. While most of the cases of double vision are not serious, some need to be treated quickly. There are three categories of diplopia:...

Approximately, a fifth of all people above the age of 60 have at least mild cataracts, and at the age of 75, that number increases significantly.A cataract presents itself as a reduction of clarity in the eye lens. A normal eye lens is comprised of clear water and variety of proteins. The lens...

What is eye herpes?Eye herpes, or ocular herpes, is a recurrent viral infection that affects the eyes. It is caused by herpes simplex virus type 1. It causes an inflammation of the eye, as well as scarring in the cornea.Eye herpes can be transmitted from one person to another when there is a close...

What is eyestrain?Eyestrain is a common medical condition characterized by an overuse of the eyes, like when driving a long distance, reading for a couple of hours, or using the computer. Staring at the computer screen for a long period of time will increase discomfort in your eyes.Eyestrain is not...