Contact lens having stabilizors resisting rotation

Details Contact lens having stabilizors resisting rotation Contact lens having stabilizors resisting rotation

G - Physics

02

C

88/40

G02C 7/04 (2006.01)

Patent

CA 1153592

ABSTRACT The contact lens comprises a central optical zone and a peripheric zone for fastening the lens. For centering said lens the peripheric zone comprises two stabilizing bosses which are disposed on the horizontal stabilization axis of the lens. For large palpebral openings it may be preferable to use two pairs of bosses, whereby each pair comprises two bosses, disposed symmetrically to said axis of stabilization. For multifocal corrections it is possible to use a third boss, disposed on the vertical axis of the lens. These stabilizors allow the use of very thin lenses and a perfect centering of the lens, hinder- ing its rotation.

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