In this image released by Ottawa Hospital Research Institute,
Dr. May Griffith displays a biosynthetic cornea that can be
implanted into the eye to repair damage and restore sight in
Ottawa, Canada, in 2005. Scientists have created a new kind of
artificial cornea, inserting a sliver of collagen into the eye
that coaxes its own natural corneal cells to regrow and restore
vision. (AP Photo/Ottawa Hospital Research Institute) To sign up
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