Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
Patent
1984-01-31
1985-04-09
Griffin, Donald A.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Ophthalmic lenses or blanks
351206, G03B 2900, G03B 908
Patent
active
045098387
ABSTRACT:
An optical system for retinal cameras wherein the distance between an eye to be inspected and an inspector is made short to improve the operatability and to make it easy to handle the eye to be inspected.
REFERENCES:
patent: 3089398 (1963-05-01), Wilms
patent: 3217622 (1965-11-01), Kiyono
patent: 3778135 (1973-12-01), Dianetti
patent: 3915564 (1975-10-01), Urban
Iba Youich
Matsubara Masaki
Nakahashi Ken-Ichi
Griffin Donald A.
Olympus Optical Co,. Ltd.
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