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Overview
How can people become blind even if their eyes are in perfect condition?
This can happen if there is damage to the part of the brain that controls sight.
Inside, You'll Find:
How glasses and contact lenses work
Diagrams, a time line, photos-and some tricky tricks for your eyes
Surprising, True facts that will shock and amaze you
Synopsis
How can people become blind even if their eyes are in perfect condition?
This can happen if there is damage to the part of the brain that controls sight.
Inside, You'll Find:
How glasses and contact lenses work
Diagrams, a time line, photos-and some tricky tricks for your eyes
Surprising, True facts that will shock and amaze you