Optical appliance

Abstract

Disclosed is an optical appliance for mitigating farsighted vision in humans. The optical appliance includes a body portion and a lens portion. The lens portion is coupled to the body portion, and the lens portion is transparent. The lens portion has appropriate optical power to improve a user's visual acuity of near objects when the user looks through the lens portion. In some embodiment, a perimeter of the body portion is kidney-shaped. In some embodiments, the body portion comprises an orientation feature. In some embodiments the body portion includes a lens opening extending through the body portion. In some embodiments, the lens includes a lens retention rim along an outer perimeter of the lens. The lens is coupled to the body portion in response to the lens retention rim begin placed between at least one top lens retention ridge and at least one bottom lens retention ridge.

Dependencies are inferred from the claim text.