Katherine Jackson Donnithorne M.D.

What is Glaucoma?Glaucoma is a medical condition that affects the eyes. It is characterized by high pressure in the eyes, leading to damages on the optic nerve, which can eventually impair your vision.Glaucoma is one of the leading causes of blindness worldwide. It can affect both men and women at...

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...

Just like our body, our eyes also need a lot of care and timely attention. Maintaining the health of our eyes and improving the vision should never be neglected due to the changing lifestyle.What is a Normal Human Vision?Normal vision is defined as 20/20. The term 20/20 is also called as visual...

Cataracts are defined as the clouding of lens in your eye. The clear lens of your eye becomes increasingly foggy causing a great deal of issues with eyesight. The effects of cataracts can be felt more strongly at night sometimes due to the poor visibility conditions which prevail already. Cataracts...

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...

Pink eye, or conjunctivitis, is a contagious eye condition caused by the inflammation and infection of the conjunctiva. The conjunctiva is the transparent membrane covering the white part of the eye and the eyeball. Infection and swelling of the the mucous membrane becomes reddish, and the entire...