| 摘要 |
PROBLEM TO BE SOLVED: To provide a contact lens of a new structure which is capable of advantageously exhibiting both of an effect of improving the feel of wearing and an effect of suppressing the intrusion of dust, etc., between a lens and the cornea and can be advantageously utilized for orthokeratology as well. SOLUTION: A central part 16 at a rear surface 18 of the lens is so formed as to be increasingly smaller in its radius of curvature toward the outer peripheral side.
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