Dr. John Mark Welsh O.D.

Recommended Articles

• What are the Causes and Symptoms of Pink Eye?

  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...

• What is Secondary Cataracts?

  Everyone who has had their cataracts removed surgically remembers how happy they felt when they finally regained their ability to see. The world all of a sudden became more lively and full of color. You began doing things you couldn't do when you had the cataracts. But then you began noticing your...

• What are the Signs and Symptoms of Cataracts?

  When the lens of the eye becomes clouded, it is a condition known as cataracts. In patients with cataracts, proteins that are contained in the lens begin to break down, making the lens cloudy with an increase in age. Because cataracts develop very slowly, vision may not be affected right away and...

• What is Age-Related Macular Degeneration?

  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...

• What Causes Iritis?

  What is iritis?The colored part of the eye is called the iris. When the iris gets inflamed, the condition is called iritis, which is also called anterior uveitis. The muscles present in the iris help in pupil contraction and relaxation. The anterior and posterior chambers of the eye are also...

• Treatments for Cataracts

  A cataract is blurring of the lens of the eye. The lens is oval-shaped and mostly consists of water and protein. It is located at the back of the iris and pupil. The lens protein molecules are organized in a way that makes it clear so that light can pass through it to the retina. The focus of the...