Glossary

strabismus

A condition where the eyes are not properly aligned, which results in difficulty seeing. The eyes have trouble focusing on an object. This difficulty may be occasional or consistent. Some cases of strabismus may be treatment with physical therapy or surgery.

stem cells

Stem cells are unspecialized cell that can be turned into a variety of cell types. Found in both adult tissue and embryos, stem cells have enormous medical potential because of their ability to be transformed into and replace cells that have been damaged or lost, including the retinal cells that are compromised in many retinal diseases.

sclera

The protective layer of the eye. Also known as the “white” of the eye, due to its white color.

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