Patent ID: 8511820

Claim:
An accommodation training device, comprising: an eye-covering portion, the eye-covering portion having a primary light and a sensor; and a head support mount attached to the eye-covering portion and configured to attach the accommodation training device to a user's head such that the accommodation training device is supported by the user's head; wherein the eye-covering portion is positioned in front of the user's eye with the primary light and sensor directed toward the user's eye when the accommodation training device is attached to the user's head, the eye-covering portion further comprising an alignment light directed toward the user's eye when the accommodation training device is attached to the user's head; wherein the head support mount and the eye-covering portion are configured such that when the accommodation training device is attached to the user's head the primary light and the sensor are each positioned between 0.5 inches and 2 inches from an apex of a cornea of the user's eye, the primary light and sensor further being aligned with respect to one another to define an intersection angle; and wherein the head support mount and the eye-covering portion are configured such that when the accommodation training device is attached to the user's head the primary light and the sensor are each positioned one inch from the apex of the cornea of the user's eye, and further wherein the intersection angle is six degrees.