The Chemistry Of Cataract Creation

A breakthrough in understanding how cataracts form could be used to help prevent the world's leading cause of blindness, which currently affects nearly 20 million people worldwide.  It has long been known that human eyes have a powerful ability to focus because of three kinds of crystallin proteins in their lenses, maintaining transparency via a delicate balance of both repelling and attracting light. Two types of crystallin are structural, but the third – dubbed a "chaperone" – keeps the others from clumping into cataracts if they're modified by genetic mutation, ultraviolet light or chemical damage. read more

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