Dr. H. George Tanaka, MD

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...

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...

Astigmatism is one of the most common eye disorders affecting huge swaths of the population where the skewed curvature of the corneal surface creates blurred images of near and distant objects. In the normal course, astigmatism goes hand in hand with varying degrees of nearsightedness (myopia) and...

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...

A child’s eyesight develops over time, starting with the ability to see objects 8 to 10 inches from their face. The child's eyesight improves gradually between the ages of 12-weeks-old to 16-weeks-old, to which they are able to see objects from farther away. Vision problems in children arise...

What is Chalazion?A chalazion is a benign and painless nodule which can occur in the upper or lower eyelid. It is common and is sometimes called a meibomian cyst or a tarsal cyst. The term chalazion (pronounced kah-la'-ze-on) originates from the Greek word which means a small lump. These nodules...