Dr. Shawn Jehan Khan MD

Recommended Articles

• 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...

• Lasik Eye Surgery for Astigmatism

  Astigmatism is one of the most common eye disorders affecting huge swaths of the population where the skewed curvature of the corneal surface creates blurred images of near and distant objects. In the normal course, astigmatism goes hand in hand with varying degrees of nearsightedness (myopia) and...

• What Tests Determine Conjunctivitis?

  Conjunctivitis is a very unpleasant eye condition that may cause discomfort and pain in the eyes. This disease has to be medically treated. Thus, it’s important to determine the causes and triggers of this disease. If you suspect that you have conjunctivitis, you should visit an ophthalmologist to...

• What is Cataract Surgery?

  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...

• What Is Giant Papillary Conjunctivitis (GPC): Get the Facts

  Giant papillary conjunctivitis (GPC) is also known as contact lens-induced papillary conjunctivitis (CLPC) because it is the most common symptom with people who wear contact lenses. GPC forms small nodules on the inner side of the eyelids as a result of foreign body irritation. Moreover, people who...

• In Plain Sight: Vision Changes Linked to Parkinson’s Disease

  Parkinson’s disease is a chronic, progressive movement disorder that affects the nervous system. It is characterized by gradual death and breakdown of nerve cells in the brain resulting in the decreased production of a chemical messenger called dopamine. Reduced dopamine levels cause abnormal...