Invention Grant

Orthokerato lens
Abstract:
Provided is an orthokerato lens including a central portion located on a center of a lens and configured to change a refractive index by pressurizing a cornea, a fitting portion configured to form a negative pressure between the lens and the cornea to pile epithelial cells moved from the central portion, a fixing portion configured to be in contact with an eyeball and align the lens such that the center of the lens is located at a center of the cornea, a peripheral portion configured to allow tears between the lens and the eyeball to circulate, and a circulation hole configured to penetrate the central portion.
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