Optics: eye examining – vision testing and correcting – Eye examining or testing instrument
Patent
1995-06-20
1996-03-12
Sikes, William L.
Optics: eye examining, vision testing and correcting
Eye examining or testing instrument
604 1, A61B 300, A61M 3500
Patent
active
054990653
ABSTRACT:
A device for preventing eye drops disposed in the human eye from entering the nasolacrimal system includes at least one pad to be located over the exterior surface of the inside corner of an eye covering the juncture of the upper and lower eyelids of the eye in the area of the nasolacrimal ducts located on the inner surfaces of the upper and lower eyelids of the eye for occluding the nasolacrimal ducts while allowing the eye to remain open so that eye drops can be deposited in the eye.
REFERENCES:
patent: 580954 (1897-04-01), Ray
patent: 2488616 (1949-11-01), Browne
patent: 3349771 (1967-10-01), Baer
patent: 4299005 (1981-11-01), Brown
patent: 4457756 (1984-07-01), Kern et al.
patent: 4883454 (1989-11-01), Hamburg
patent: 4994751 (1991-02-01), Cook et al.
Mai Huy
Sikes William L.
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