Variable transmissivity annular mask lens for the treatment of o

Details Variable transmissivity annular mask lens for the treatment of o Variable transmissivity annular mask lens for the treatment of o

1996-06-14

1997-09-02

Jones, Mary Beth

Prosthesis (i.e., artificial body members), parts thereof, or ai

Eye prosthesis

Intraocular lens

351160R, 351162, A61F 216

Patent

active

056627068

ABSTRACT:
An annular mask lens for the treatment of optical aberrations such as but not limited to night myopia, spherical aberration, aniridia, keratoconus, corneal scarring, penetrating keratoplasty, and post refractive surgery complication. The lens has an annular mask having an aperture larger than conventional pinhole contact lens. The aperture having a "soft" inside edge and which mask has a gradually increasing transmissivity radially toward the outer edge of the mask.

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Neefe, Neefe Special Contact Lenses, Contacto, Nov. (1975).
Rosenbloom, The Controlled-Pupil Contact Lens in Low Vision Problems, Journal of the American Optometric Association 40(8):836-840 (1969).
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