Dr. Chris Alan Knobbe M.D.

IntroductionTay-Sachs disease is a genetic disorder that affects the brain's nerve cells. Individuals who have this disorder lacks a type of protein that is needed to break down fatty substances in the brain. Without this protein, fatty substances accumulate in the brain to toxic levels, which...

When the eye lens changes with age, cataracts develop and your vision becomes blurry. A clear structure, the lens is located at the back of the pupil. Light streams in via the cornea and the lens directs it to the retina when it enters the eye.When you start to age, cataracts can begin developing,...

What is eye twitching?While it may seem like a normal experience of the eye, eye twitching could become irritating and could be a cause for concern when it persists for a long period of time and with higher frequency. In medical terms, eye twitching is known as blepharospasm, which is defined as an...

Normally, the eye, cornea, and lens can easily focus light rays on the retina. The disease known asastigmatism is an imperfection in the curvature of the cornea, and it can produce a clear, round dome covering the iris and pupil.The cornea and lens remain smooth and are always curved equally in all...

Keratoconus is a non-inflammatory disorder of the eye where the cornea bulges outward like a cone. Thinning and bulging of cornea may result in blurring of vision and make the eye more sensitive to light. This disorder is seen in both the eyes and is common in people from 10-years-old to...

Conjunctivitis is a very common and unpleasant condition, especially for people that use contact lenses. Children can be equally affected by this disease, as well as adults. People who have conjunctivitis, also known as pink eye, can transmit the disease to their family or friends or anyone else...