BLINDNESS PROTECTION SPECTACLES FOR CAR DRIVERS Russian patent published in 1997 - IPC

FIELD: medical engineering. SUBSTANCE: device has specially selected shape of darkened translucent screens to be set over the driver spectacle lenses. The shape of triangle widening downward and in the direction of oncoming transport vehicles movement is selected to enable shining headlights of oncoming transport vehicles to be visible through the darkened translucent screens but the own road lane and cars moving in the same direction to be seen through the non-shaded portion of spectacle lenses. The apices of the triangular darkening screens are positioned in optical centers of the blind protection spectacle lenses and the angles in the triangular screen apices are equal to 45 45±5^° 5 deg. EFFECT: enhanced effectiveness of eye protection. 3 cl, 2 dwg