In-the-spectacle-lens telescopic device

Abstract

Magnification is useful for individuals who suffer from loss of resolution or contrast sensitivity, due to defects in the optics of the eye or retina. Damage to the fovea (the central part of the retina) is common in age-related macular degeneration (AMD) and many other diseases. This impairment dramatically affects an individual’s ability to read, recognize faces, and perform other fine discrimination tasks. As the population ages, the number of people affected by this and other eye diseases causing similar impairments is expected to grow rapidly.