Dr. Charles Eliot Lyon M.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...

Nearsightedness or myopia, farsightedness or hyperopia and astigmatism or blurred vision are collectively referred as refractive disorders which commonly affect the eyes. They occur as a consequence of disease, injury or progressive aging. The weakening of the eye lens and lengthening or shortening...

When the lens of the eye becomes clouded, it is deemed to be cataract. This is the leading cause of vision loss in people over the age of 40, and cataracts are responsible for the majority of blindness across the globe. Over 22 million Americans over the age of 40 are currently affected by...

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...

What is eye herpes?Eye herpes, or ocular herpes, is a recurrent viral infection that affects the eyes. It is caused by herpes simplex virus type 1. It causes an inflammation of the eye, as well as scarring in the cornea.Eye herpes can be transmitted from one person to another when there is a close...

When the eye’s natural lenses are removed during cataract surgery, they are replaced by artificial lenses known as intraocular lenses (IOLs). They are also used to correct a patient’s vision during a surgical procedure known as refractive lens exchange.Intraocular lenses are FDA-approved and...