Astigmatic correcting intrastromal corneal ring

Details Astigmatic correcting intrastromal corneal ring Astigmatic correcting intrastromal corneal ring

A - Human Necessities

61

F

A61F 2/14 (2006.01) A61F 9/007 (2006.01)

Patent

CA 2178478

This invention is an intrastromal corneal ring (40) ("ICR") which is not uniform in dimension (54, 56). It has, typically, two or more raised areas (or areas of additional bulk) spaced apart from each other on the ring. This ring design (40) when introduced into the stroma and properly adjusted there, permits at least partial correction of astigmatism in the eye.

L'invention concerne un anneau cornéen (40) placé à l'intérieur du stroma ("ICR") et dont la dimension n'est pas uniforme (54, 56). Il possède deux ou plusieurs zones surélevées (ou zone à volume supplémentaire) éloignées les unes des autres sur l'anneau. La conception de l'anneau (40), quand il est introduit dans le stroma et ajusté correctement, permet de corriger l'astigmatisme au moins partiellement.

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