Lenses and spectacles for reducing nystagmic oscillations, and a

Details Lenses and spectacles for reducing nystagmic oscillations, and a Lenses and spectacles for reducing nystagmic oscillations, and a

1994-02-04

1995-08-08

Sikes, William L.

Optics: eye examining, vision testing and correcting

Eye examining or testing instrument

Eye exercising or training type

351246, 351 45, 351162, 351163, 351165, G02C 704, G02C 710, G02C 702, A61B 300

Patent

active

054403596

ABSTRACT:
The invention provides a tinted pair of lenses for overcoming the deleterious effects of nystagmic oscillations, particularly in persons suffering from dyslexia, the tinting varying along the lateral direction and extending in each lens over at least two zones, a lighter tint being used in a first zone extending from the lens edge nearest to the nose of the wearer, when the lens is in use, to a position corresponding to the centre of the pupil, and a darker tint being used in a second zone extending over the remaining lens area.

REFERENCES:
patent: 1584041 (1926-05-01), Shaver
patent: 1647626 (1927-11-01), Hopson
patent: 1882909 (1932-10-01), Rhue
patent: 4678296 (1987-07-01), Smith
patent: 4961640 (1990-10-01), Irien
patent: 4979902 (1990-12-01), Morelle et al.
patent: 5189445 (1993-02-01), Stagner

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