Formal orientation or inside out of either eye and capable of engaging soft contact lens orientation

摘要

A soft contact lens for fitting to an eye of a wearer in either a right way out orientation or in an inside out orientation; the lens including first and second generally arcuate surfaces each terminating at an edge of the lens; wherein, each said first and second surfaces are capable of forming either an anterior convex or posterior concave surface; wherein in said right way out orientation there is provided an anterior convex surface and a posterior concave surface and in said inside out orientation said right way out anterior convex surface is converted to a posterior concave surface and said right way out posterior concave surface is converted to a convex anterior surface.