Dr. John Robert Karickhoff M.D.

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...

Cataract is a disease which makes an eye lens to appear cloudy, thus reducing the eyesight. A normal eye lens assists in focusing light onto the retina for clear and undistorted image appearance. When a cataract forms in the eye, it makes images appear blurred and distorted. Although cataracts can...

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...

There are many causes of conjunctivitis such as:...

Several vision issues that are related to aging can be solved by practical approaches like more illumination when reading or fixing poor lighting conditions in your home.When you grow to over 60 years of age, you may require more lighting for most indoor and outdoor activities. This is caused by the...

Cataracts can be present at birth – which is termed as congenital, and in other cases can develop later in life. Various studies have shown an estimation that one out of every 250 children will develop a cataract either prior to birth or during childhood. While the exact cause is unknown,...