Corneal contact lens and method for treating myopia
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United States of America Patent
Stats
-
Mar 2, 1993
Grant Date -
N/A
app pub date -
Aug 23, 1991
filing date -
Aug 23, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A corneal contact lens for use in treating myopia by controlled corneal molding. The lens includes a central zone having a central zone radius of curvature and a tear zone. The tear zone is located concentrically around the central zone and has a radius of curvature which is smaller than the central zone. A transition zone is provided between the central zone and the tear zone wherein the transition zone has at least one transition ring. The lens may also include a peripheral zone which is located concentrically around the tear zone wherein the peripheral zone includes multiple peripheral curves having radii of curvature equal to or greater than the central zone.
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Family
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Cited Art Landscape
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