Dr. Donald Dean Derryberry O.D.

Recommended Articles

• Treatments for Cataracts

  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 Causes Albinism?

  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 are the Causes and Symptoms of Pink Eye?

  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...

• What Specialists Perform Cataract Surgery?

  ...

• Everything You Need to Know About Cataract Surgery

  What is a cataract?Sometimes there is a clouding of the lens in the eye; this clouding is called a cataract. Mostly, this clouding is related to old age. In fact, the majority of Americans aged 80 and above have experienced this clouding or have already undergone a cataract surgery at a particular...

• What Could a Swollen Eyelid Mean?

  Your eyelid’s skin is stretchy and loose with a thickness of less than 1 mm. Your eyelids can swell if there is a buildup of fluid in the tissues that surround your eyes.In most cases, swollen eyelids are not a cause for concern and can return back to its normal shape and size after a few days....