Ophthalmological self-test unit for evaluating macular degenerat

Details Ophthalmological self-test unit for evaluating macular degenerat Ophthalmological self-test unit for evaluating macular degenerat

1996-12-23

1998-11-17

Mai, Huy

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Subjective type

351200, 351243, A61B 302, A61B 300

Patent

active

058384227

ABSTRACT:
An improved ophthalmological self test unit for assisting in the self evaluation of the degenerative effects of certain eye disorders. The self diagnostic ophthalmological device includes a first layer having a top rewriteable surface and a grid pattern disposed thereon and a magnetic second layer fixedly attached to the first layer for attaching the self test device to a magnetically permeable surface.

REFERENCES:
patent: 3787112 (1974-01-01), Lyons
patent: 4063807 (1977-12-01), Gelius et al.
patent: 4310978 (1982-01-01), Stern
patent: 4346968 (1982-08-01), Melin et al.
patent: 4605292 (1986-08-01), McIntosh
patent: 5067806 (1991-11-01), Kwasman
patent: 5646710 (1997-07-01), Caskey
Magnetic Amsler Grid; "Argus, American Academy of Ophthalmology", Jul. 1997; vol. XVII, No. 7; p. 29.

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