Dr. Harold R Katz M.D.

What is Chalazion?A chalazion is a benign and painless nodule which can occur in the upper or lower eyelid. It is common and is sometimes called a meibomian cyst or a tarsal cyst. The term chalazion (pronounced kah-la'-ze-on) originates from the Greek word which means a small lump. These nodules...

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 a stye?A stye occurs when a particular strain of bacteria affects the oil gland of the eyelid. It becomes infected and causes inflammation, redness, as well as pain on the eyelid and its surrounding tissues. A stye is an inflamed swelling or circumscribed abscess. It can be treated with...

Pink eye, or conjunctivitis, is a contagious eye condition caused by the inflammation and infection of the conjunctiva. The conjunctiva is the transparent membrane covering the white part of the eye and the eyeball. Infection and swelling of the the mucous membrane becomes reddish, and the entire...

Safeguarding Your VisionWe are all dependent on our vision in more ways than we realize. Without a healthy vision, we would be unable to smoothly do a lot of things. Our vision enables us to properly work and recognize faces and objects.There are numerous factors that can affect our eyes, including...

What is Glaucoma?Glaucoma is a medical condition that affects the eyes. It is characterized by high pressure in the eyes, leading to damages on the optic nerve, which can eventually impair your vision.Glaucoma is one of the leading causes of blindness worldwide. It can affect both men and women at...