Dr. Patrick C Yeh M.D.

Several vision issues that are related to aging can be solved by practical approaches like more illumination when reading or fixing poor lighting conditions in your home.When you grow to over 60 years of age, you may require more lighting for most indoor and outdoor activities. This is caused by the...

What is Double Vision?Seeing two images of the same object displaced horizontally or vertically is known as double vision or diplopia. While most of the cases of double vision are not serious, some need to be treated quickly. There are three categories of diplopia:...

When the eye lens changes with age, cataracts develop and your vision becomes blurry. A clear structure, the lens is located at the back of the pupil. Light streams in via the cornea and the lens directs it to the retina when it enters the eye.When you start to age, cataracts can begin developing,...

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...

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...

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...