Dr. X. Kathryn Sun, MD, PhD

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...

What is eyestrain?Eyestrain is a common medical condition characterized by an overuse of the eyes, like when driving a long distance, reading for a couple of hours, or using the computer. Staring at the computer screen for a long period of time will increase discomfort in your eyes.Eyestrain is not...

Lasik eye surgery is a surgical procedure which corrects deteriorating vision by reshaping the surface of the eye, more precisely the corneal layer in such a manner that light enters the eye at the angle appropriate for correct vision. Nearsightedness (myopia), farsightedness (hyperopia) and...

Nearsightedness, farsightedness, and astigmatism are eye disorders that can be rectified through eye surgery, enabling you to avoid the tedium of using glasses and contact lenses to see distant objects and to read comfortably. In Lasik eye surgery, an excimer laser removes tissue from the cornea,...

IntroductionHealthy infants tend to achieve their growth and development milestones in a timely manner. They also develop their vision, hearing, movement, and other types of vital functions because certain enzymes clear out fatty protein as well as other unwanted elements that can hinder normal...

Lasik or laser-assisted in-situ keratomileusis employs a laser beam to correct nearsightedness, farsightedness and astigmatism. These are refractive errors that result from distortions in the curvature of the cornea of the eye. Lasik selectively peels away layers of stromal cells that constitute the...