Amblyopia screening

Details Amblyopia screening Amblyopia screening

1982-03-08

1988-10-18

Bovernick, Rodney B.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Eye exercising or training type

351239, 351240, 351244, 351243, A61B 302

Patent

active

047782676

ABSTRACT:
Pre-literate children are screened for amblyopia utilizing a simple device. A pair of eyepieces are mounted by a static structure so that the fields of view through the eyepieces are segregated. A card having two different, spaced pictorial representations of common physical objects or beings is mounted to the static structure so that the pictorial representations are visible through the eyepieces. If the pre-literate child is not able to accurately report both of the different pictorial representations on the card, the child is sent for more detailed testing.

REFERENCES:
patent: 1990218 (1935-02-01), Bailey
patent: 2070849 (1937-02-01), Sherman
patent: 2089863 (1937-08-01), UpDegrave
patent: 2213467 (1940-09-01), Greenspoon
patent: 2422384 (1947-06-01), Alexander
patent: 2837087 (1958-06-01), Sawyer
patent: 2897816 (1959-08-01), Williams
patent: 3547528 (1970-12-01), Weisfeld
patent: 3842822 (1974-10-01), Levinson et al.
"Ophthalmic Instruments and Equipment" Catalog, 42 A, 1978; p. 58.
"1981 Opthalmic Instrument Catalog", West Coast Optical Instruments, Inc.; pp. 162-165.

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