Apparatus for enhancing visual perception of selected objects in

Details Apparatus for enhancing visual perception of selected objects in Apparatus for enhancing visual perception of selected objects in

1994-08-10

1997-01-07

Sugarman, Scott J.

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

351177, 359885, G02C 710, G02B 522

Patent

active

055922457

ABSTRACT:
To enhance perception of a yellow tennis ball while playing or watching a tennis game, the game is viewed through an optical filter mounted between the participant or spectator and the ball. The optical filter has predetermined transmittance having a pronounced peak centered substantially around 500 to 600 nanometers that passes a high percentage of incident light reflected and fluoresced by the tennis ball, but passes a substantially lower percentage of light in the remaining portion of the visible spectrum.

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