Dr. Francis B Casey O.D.

What is eyelid twitching?Eyelid twitching or myokymia is an involuntary eyelid spasm. The upper lid is usually affected, but spasms can also occur in the lower lid or both lids. Eyelid twitching is often mild for most people. However, others may experience stronger spasms, which may force their lids...

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:...

There are many healthcare providers who can diagnose and treat diabetes. While most people may see a primary care doctor if they start having symptoms of diabetes, other physicians and specialists can also help monitor the condition.Doctors who treat diabetesThe following are doctors and specialists...

A cataract is blurring of the lens of the eye. The lens is oval-shaped and mostly consists of water and protein. It is located at the back of the iris and pupil. The lens protein molecules are organized in a way that makes it clear so that light can pass through it to the retina. The focus of the...

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...

When the lens of the eye becomes clouded, it is a condition known as cataracts. In patients with cataracts, proteins that are contained in the lens begin to break down, making the lens cloudy with an increase in age. Because cataracts develop very slowly, vision may not be affected right away and...