Telescopic spectacles glasses

Details Telescopic spectacles glasses Telescopic spectacles glasses

1989-03-28

1990-11-27

Sugarman, Scott J.

G02B 2702

Patent

active

049731300

ABSTRACT:
A telescopic spectacle lens for telescopic glasses for viewer's eyes with normal eyesight, which is wearable in conventional spectacle frames, made of an optical material shaped to have a lens diameter of 0.00018 m-0.028 m, refractive indicies of 1.349-2.150, axial lens thicknesses of 0.002 m-0.012 m, spherical front surface curvatures of 0.00111 m-0.0174186 m, and spherical rear surface curvatures of 0.0001-0.011 m.

REFERENCES:
patent: 2389428 (1945-11-01), Glasser
patent: 3273456 (1966-09-01), Feinbloom
patent: 3522983 (1970-08-01), Daniels
patent: 3592525 (1971-07-01), Schultz
patent: 4540238 (1985-09-01), Edwards

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