Dr. Jerald P Underdahl MD

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,...

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...

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...

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...

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...

Pink eye, or conjunctivitis, is a contagious eye condition caused by the inflammation and infection of the conjunctiva. The conjunctiva is the transparent membrane covering the white part of the eye and the eyeball. Infection and swelling of the the mucous membrane becomes reddish, and the entire...