Dr. Yu tang James Su MD

What are cataracts?When the lens located inside the human eye gets cloudy, it is called a cataract. A cataract in Latin means waterfall, thus describing what your vision with cataract is like; seeing through a waterfall. A cataract occurs as a result of the inability of the lens to allow sufficient...

Safeguarding Your VisionWe are all dependent on our vision in more ways than we realize. Without a healthy vision, we would be unable to smoothly do a lot of things. Our vision enables us to properly work and recognize faces and objects.There are numerous factors that can affect our eyes, including...

When your doctor determines that both eyes have a cataract, the eye having a denser cataract will be operated on first. After a couple of days or weeks, the second eye can then be operated on.This approach gives the first eye time to recover and the vision to stabilize as you wait for another...

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...

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...

Glaucoma is a group of conditions that leads to the impairment of the optic nerve that carries information from the eyes to the brain. It is a progressive condition, which, if not treated, may lead to complete loss of vision. The most common cause of this damage is the increase in the pressure...