Dr. Jan W. Kronish M.D.

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...

What is sarcoidosis?Sarcoidosis is an inflammatory disease, which is characterized by the growth of granulomas or tiny collections of inflammatory cells in various parts of the body. When the immune system is slowed down and when these numerous clumps form, they tend to interfere with the organ’s...

Eye floaters are small, moving specks on the eyeball that often occur in one's field of vision. These grey or black dots, become more prominent while looking at a bright object. If the floaters are large they may shadow vision, but in most cases, eye floaters are harmless. People often neglect or...

What is albinism?Albinism is a group of genetic disorders that cause little or no production of the natural pigment called melanin. The color of your skin, hair, and eyes depend on the type and amount of melanin produced by your body. Most individuals with albinism have sun sensitivity, which makes...

What is iritis?The colored part of the eye is called the iris. When the iris gets inflamed, the condition is called iritis, which is also called anterior uveitis. The muscles present in the iris help in pupil contraction and relaxation. The anterior and posterior chambers of the eye are also...

Astigmatism is one of the most common eye disorders affecting huge swaths of the population where the skewed curvature of the corneal surface creates blurred images of near and distant objects. In the normal course, astigmatism goes hand in hand with varying degrees of nearsightedness (myopia) and...