Dr. Kelly K. Siu MD

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...

Eye twitching is the repetitive, involuntary blinking or spasm of the upper eyelid. Also known as blepharospasm, twitching affects the muscles of both eyes. Some of the most common causes of eye twitching include fatigue, stress, and caffeine. Twitching is usually painless and goes away on its own...

Glaucoma is a group of conditions that leads to the impairment of the optic nerve that carries information from the eyes to the brain. It is a progressive condition, which, if not treated, may lead to complete loss of vision. The most common cause of this damage is the increase in the pressure...

Conjunctivitis is a condition that most commonly appears in the human eyeball, specifically in the front of the eye. Conjunctivitis can be seen when the white part of the eye turns red or pink.  Most people think that red eye can appear if they don’t sleep enough, but they might not actually be...

Doctors or physicians are categorized according to different factors including medical specialties and subspecialties. Most doctors specialize in a specific area of medicine. This article provides a summary of the different types of doctors in the medical field. AllergistsAllergists are also...

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...