Dr. John T Mcallister M.D.

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...

What is bacterial conjunctivitis?Conjunctivitis is an inflammation of the palpebral or bulbar part of the eye. There are many types and many causes of conjunctivitis. One common type is bacterial conjunctivitis, wherein bacteria that infect the eyes spread through direct contact with an infected...

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...

Nearsightedness, farsightedness, and astigmatism are eye disorders that can be rectified through eye surgery, enabling you to avoid the tedium of using glasses and contact lenses to see distant objects and to read comfortably. In Lasik eye surgery, an excimer laser removes tissue from the cornea,...

When the eye’s natural lenses are removed during cataract surgery, they are replaced by artificial lenses known as intraocular lenses (IOLs). They are also used to correct a patient’s vision during a surgical procedure known as refractive lens exchange.Intraocular lenses are FDA-approved and...

Fast on the heels of FDA approval, the passage of nearly two decades has seen Lasik eye surgery (laser in situ keratomileusis), assuming the number one spot in elective surgical procedures opted by the American public. Lasik has redefined eye care by surgically reshaping the cornea of the eye in...