Chia-wen Annie Chang M.D.

Recommended Articles

• What is Eye Melanoma?

  What is eye melanoma?Eye melanoma is also known as ocular melanoma. It is a type of cancer that develops in the eye, from the melanin-producing cells.Melanoma is a type of malignant cancer that develops in the melanin-producing cells all over the human body. Melanin-producing cells are known for the...

• What are the Risks to Lasik Eye Surgery?

  Lasik eye surgery is a surgical procedure which corrects deteriorating vision by reshaping the surface of the eye, more precisely the corneal layer in such a manner that light enters the eye at the angle appropriate for correct vision. Nearsightedness (myopia), farsightedness (hyperopia) and...

• What are Cataracts: Get the Facts

  Cataract is the blurring of the lens part of the eye that can lead to complications in vision. Aging is the cause of the common form of cataract. It grows slowly and should symptoms develop they should not be ignored as this condition worsens with time. Congenital defects, previous eye surgery,...

• 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...

• What are Eye Floaters?

  Eye floaters are small, moving specks on the eyeball that often occur in one's field of vision. These grey or black dots, become more prominent while looking at a bright object. If the floaters are large they may shadow vision, but in most cases, eye floaters are harmless. People often neglect or...

• Different Types of Physicians Explained

  Doctors or physicians are categorized according to different factors including medical specialties and subspecialties. Most doctors specialize in a specific area of medicine. This article provides a summary of the different types of doctors in the medical field. AllergistsAllergists are also...