Dr. Phil V Walters M.D.

Color blindness is not a real blindness but a deficiency in seeing colors. People having color blindness can’t distinguish between certain colors, like red and green, or blue and yellow. The red and green color deficiency is the most common type of this condition.What causes color blindness?It is...

IntroductionTay-Sachs disease is a genetic disorder that affects the brain's nerve cells. Individuals who have this disorder lacks a type of protein that is needed to break down fatty substances in the brain. Without this protein, fatty substances accumulate in the brain to toxic levels, which...

Blepharoplasty, or eyelid surgery as it's commonly known, is performed to correct droopy upper and/or lower eyelids and under-eye bags. The surgery may be performed for functional or medical reasons. Functional blepharoplasty corrects problems related to upper eyelids that sag or droop enough to...

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...

Keratoconus is a non-inflammatory disorder of the eye where the cornea bulges outward like a cone. Thinning and bulging of cornea may result in blurring of vision and make the eye more sensitive to light. This disorder is seen in both the eyes and is common in people from 10-years-old to...

Lasik or laser-assisted in-situ keratomileusis employs a laser beam to correct nearsightedness, farsightedness and astigmatism. These are refractive errors that result from distortions in the curvature of the cornea of the eye. Lasik selectively peels away layers of stromal cells that constitute the...