Dr. Richard L. Petrelli M.D.

The exact cause of cataracts is not known. Nevertheless, it seems that most cataracts are caused by long-term variations in the eye lens protein components which in turn causes cloudiness in the lens. Though not common, cataracts can affect infants and young children due to genetic enzyme...

Rosacea is a very common skin condition that frequently affects people aged above 30 years. It produces redness on your cheeks, nose, and forehead. Although it commonly affects women, more severe symptoms occur in males. Approximately 16 million people are affected in the United States alone, and it...

What is bacterial conjunctivitis?Conjunctivitis is an inflammation of the palpebral or bulbar part of the eye. There are many types and many causes of conjunctivitis. One common type is bacterial conjunctivitis, wherein bacteria that infect the eyes spread through direct contact with an infected...

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...

Our eyes are our windows to the world, and we each get only a single pair in our lifetime. Life without our sense of sight can spell great difficulty. Imagine being born and living with good vision for decades, only to have it impaired by some disease we could have prevented or gotten treatment for....

Safeguarding Your VisionWe are all dependent on our vision in more ways than we realize. Without a healthy vision, we would be unable to smoothly do a lot of things. Our vision enables us to properly work and recognize faces and objects.There are numerous factors that can affect our eyes, including...