Ring for a hard contact lens and hard contact lens composite employing such a ring
First Claim
1. A ring for a hard contact lens, which can be detachably attached to the peripheral edge of a hard contact lens and which has a groove of a shape corresponding to the peripheral edge of the hard contact lens, formed along the inner periphery of the ring, wherein in the ring, the length of an upper flange engageable with the front side of the peripheral edge of the hard contact lens, is shorter than the length of a lower flange engageable with the rear side of the peripheral edge of the lens.
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Accused Products
Abstract
A ring for a hard contact lens, which can be detachably attached to the peripheral edge of a hard contact lens and which has a groove of a shape corresponding to the peripheral edge of the hard contact lens, formed along the inner periphery of the ring.
17 Citations
12 Claims
- 1. A ring for a hard contact lens, which can be detachably attached to the peripheral edge of a hard contact lens and which has a groove of a shape corresponding to the peripheral edge of the hard contact lens, formed along the inner periphery of the ring, wherein in the ring, the length of an upper flange engageable with the front side of the peripheral edge of the hard contact lens, is shorter than the length of a lower flange engageable with the rear side of the peripheral edge of the lens.
- 11. A ring for a hard contact lens, which can be detachably attached to the peripheral edge of a hard contact lens and which has a groove of a shape corresponding to the peripheral edge of the hard contact lens, formed along the inner periphery of the ring, wherein a pocket is formed at the bottom of said groove.
Specification