Dr. Henry W Stevens OD

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...

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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:...

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...

LASIK eye surgery is a corrective procedure that aims to rectify vision distortions that are caused by the changing curvature of the cornea and shifting length of the eyeball. The cornea is a transparent coating that bulges on the outside of the eyeball, and allows light to penetrate its surface at...

The lenses of healthy eyes are usually clear. Cataracts occur when a person's lenses become cloudy and opaque. Cataracts can affect both eyes at the same time, called bilateral cataracts. Bilateral cataracts are very common, but cataracts must occur on their own and cannot spread from one eye to the...