Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding
Patent
1977-10-14
1980-02-26
Sacher, Paul A.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Folding
351 39, A61B 310
Patent
active
041903323
ABSTRACT:
A method and apparatus are disclosed for controlling the refractive state of the eye. The image of a visual target is continuously positioned close to, but offset from, the retinal plane of the eye to be controlled. The offset is in such a direction from the retina that as the eye attempts to focus on the image, the refractive state of the eye will change toward the desired goal. To increase the effectiveness of the method and apparatus, the position of the image is continually varied along the optical axis.
REFERENCES:
patent: 3836238 (1974-09-01), Munnerlyn et al.
patent: 3843240 (1974-10-01), Cornsweet
patent: 3883233 (1975-05-01), Guilino
Knoll et al., "The Ophthalmetron . . .," Amer. J. Optom & Arch of Amer. Acad. of Optom, Feb. 1972, pp. 122-128.
Leibowitz et al., "Anamalous . . . Accommodation," Science, vol. 189, Aug. 1975, pp. 646-648.
Leibowitz et al., "Night . . . Accommodation," JOSA, vol. 65, No. 10, Oct. 1975, pp. 1121-1128.
Hennessy, "Instrument Myopia," JOSA, vol. 65, No. 10, Oct. 1977, pp. 1114-1120.
Mathew Aplern, "The Stimulus," pp. 246-247.
Body Richard H.
Evers Edwin W.
Acuity Systems, Incorporated
Sacher Paul A.
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