Dr. Steve H Chang M.D.

Recommended Articles

• How Is Sarcoidosis Diagnosed?

  What is sarcoidosis?Sarcoidosis is an inflammatory disease, which is characterized by the growth of granulomas or tiny collections of inflammatory cells in various parts of the body. When the immune system is slowed down and when these numerous clumps form, they tend to interfere with the organ’s...

• 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...

• Everything You Need to Know About Lasik Eye Surgery

  Nearsightedness or myopia, farsightedness or hyperopia and astigmatism or blurred vision are collectively referred as refractive disorders which commonly affect the eyes. They occur as a consequence of disease, injury or progressive aging. The weakening of the eye lens and lengthening or shortening...

• Eye Twitching: Symptoms and Solutions

  Eye twitching is the repetitive, involuntary blinking or spasm of the upper eyelid. Also known as blepharospasm, twitching affects the muscles of both eyes. Some of the most common causes of eye twitching include fatigue, stress, and caffeine. Twitching is usually painless and goes away on its own...

• What are the Signs and Symptoms of Rosacea?

  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 Are the Symptoms and Treatment Options for Blepharitis?

  Blepharitis refers to the inflammation of the eyelid resulting in red and itchy eyes. This is a very common eye condition and can affect people of all age groups. It is not a very serious condition and will not affect one's vision in the future. Yet, blepharitis can be very uncomfortable and...