Dr. John Oliver Ryan O.D.

What is eye twitching?While it may seem like a normal experience of the eye, eye twitching could become irritating and could be a cause for concern when it persists for a long period of time and with higher frequency. In medical terms, eye twitching is known as blepharospasm, which is defined as an...

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 lens of the eye becomes clouded, it is a condition known as cataracts. In patients with cataracts, proteins that are contained in the lens begin to break down, making the lens cloudy with an increase in age. Because cataracts develop very slowly, vision may not be affected right away and...

Your eyelid’s skin is stretchy and loose with a thickness of less than 1 mm. Your eyelids can swell if there is a buildup of fluid in the tissues that surround your eyes.In most cases, swollen eyelids are not a cause for concern and can return back to its normal shape and size after a few days....

Everyone who has had their cataracts removed surgically remembers how happy they felt when they finally regained their ability to see. The world all of a sudden became more lively and full of color. You began doing things you couldn't do when you had the cataracts. But then you began noticing your...

Age-related macular degeneration is a common eye condition that affects macula, a small part at the back of the eye. Macula is the area of eye that helps us to differentiate the finer details. Damage to macula leads to gradual blurring of central vision. Macular degeneration impairs sharp vision and...