Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
Reexamination Certificate
2007-11-06
2007-11-06
Sugarman, Scott J. (Department: 2873)
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Ophthalmic lenses or blanks
C351S168000
Reexamination Certificate
active
11438144
ABSTRACT:
The present invention discloses a multi-lens vision correction method and its apparatus that use two lenses to form a lens module as a basic structure, and a lens closer to an eye is a concave lens preferably disposed close to the eye as much as possible for correcting the focusing, so that a myopic person can see an object at a far distance. The invention also corrects myopia with excessive minus optical power compensation, and the lens at a distance farther from the eye is a convex lens having opposite characteristics with the lens at a distance closer to the eye according to the excessive compensation, and the invention uses and selects a lens combination with appropriate optical power, so that the final image is produced at a position closer to the front along the central optic axis, and the virtual image of an object converted by the lens module is designed, controlled and converted at a farther distance to change the previous habit of a user. The visual environment of a myopic person is extended from a short distance to a longer distance, and the person's eyes can sense a farther and bigger object, and the Ciliary Body and Lens move to the focus and form a final image at the Retina, unlike the movement made by naked eyes to observe an object. The myopic persons will use their eyesight to view objects at a zone farther than the actual distance. By a natural operation of the physiology of sight and balance of users' habit, pseudomyopia can be balanced and abnormal elongation of the axial length of an eye due to bad habits can be stopped, and thus achieving a vision correction effect.
REFERENCES:
patent: 4988185 (1991-01-01), Feinbloom
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