John Francis Ling M.D.

What is a stye?A stye occurs when a particular strain of bacteria affects the oil gland of the eyelid. It becomes infected and causes inflammation, redness, as well as pain on the eyelid and its surrounding tissues. A stye is an inflamed swelling or circumscribed abscess. It can be treated with...

What is a cataract?Sometimes there is a clouding of the lens in the eye; this clouding is called a cataract. Mostly, this clouding is related to old age. In fact, the majority of Americans aged 80 and above have experienced this clouding or have already undergone a cataract surgery at a particular...

Just like our body, our eyes also need a lot of care and timely attention. Maintaining the health of our eyes and improving the vision should never be neglected due to the changing lifestyle.What is a Normal Human Vision?Normal vision is defined as 20/20. The term 20/20 is also called as visual...

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...

As long as you are healthy, you don’t have any other eye infections and you don’t smoke, your cataract operation recovery should be without much ado. Research shows that several months after the surgery, most people get a positive outcome with better vision, clearer images and no other eye...

Perhaps the most poorly recognized key health challenge today is trauma. In the developed world, trauma causes monocular blindness. Ocular injury otiology may vary from one urban area to another and therefore needs careful investigation. Any approach for preventing trauma requires familiarity with...