What is myopia (nearsightedness)?

Myopia is a condition where objects that are closer to you are clearer than those further away.

What is hyperopia (farsightedness)?

Hyperopia is a condition where objects that are further away from you are clearer than those that are close.

What is astigmatism?

Astigmatism is a condition that causes objects to appear blurry or distorted at all distances. This is due to the front part of your eye (cornea) having a slightly irregular shape.

What is presbyopia?

Presbyopia is a condition that occurs naturally as people age. Around ages 40 to 45, your reading and near vision begins to blur, and it gradually worsens over time.

What are cataracts?

Cataracts are a clouding of the clear lens of your eye that distorts entering light. People with this condition describe their vision as blurry or hazy.

What is glaucoma?

Glaucoma is a condition in which increased eye pressure irreversibly damages your retinal cells and optic nerve. This leads to a loss of peripheral vision.

What is macular degeneration?

Macular degeneration is a change to the macula. The macula is a small portion of your retina, located on the inside back layer of the eye.

The results of this condition are a reduction in central vision and objects and details directly in front of you are difficult or impossible to see.

What is strabismus?

Strabismus is a disorder where the eyes do not line up in the same direction. People commonly refer to this condition as "crossed eyes."

What is amblyopia?

Amblyopia is a condition where one eye appears normal but is suffering from a decrease in vision. People commonly refer to this condition as a lazy eye.