Dr. Kathryn A. Colby M.D.

Age-related macular degeneration is a common eye condition that affects macula, a small part at the back of the eye. Macula is the area of eye that helps us to differentiate the finer details. Damage to macula leads to gradual blurring of central vision. Macular degeneration impairs sharp vision and...

LASIK, or laser in situ keratomileusis, is a very popular surgical procedure to correct and improve vision, and reduces an individual's dependence on contact lenses and glasses. It is a very common refractive surgical procedure to correct different types of vision issues, including nearsightedness,...

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...

What is albinism?Albinism is a group of genetic disorders that cause little or no production of the natural pigment called melanin. The color of your skin, hair, and eyes depend on the type and amount of melanin produced by your body. Most individuals with albinism have sun sensitivity, which makes...

Herpes Simplex Virus 1 (HSV-1)HSV-1 or herpes simplex virus type 1 is a type of herpes simplex virus that causes cold sores. It is called "oral herpes" because it often causes sores around the mouth or on the lips. Cold sores are also called as fever blisters. However, the sores can also be found...

What is Blepharitis?Blepharitis is the inflammation of the eyelids, usually affecting both of the eyelids where eyelashes grow.The inflammation of the eyelids is often a chronic medical condition, which is very hard to treat. Blepharitis is a condition that does not affect vision. It is also not...