Abstract: An optical filtering apparatus fashioned as a pair of glasses; that enhance the contrast and visibility of objects with specified colors. A set of distinct attenuations are combined to produce an optical filter that promotes a specified color.
Abstract: An optical filtering apparatus fashioned as a pair of glasses; that enhance the contrast and visibility of objects with specified colors. A set of distinct attenuations are combined to produce an optical filter that promotes a specified color.
Abstract: A blood-trailing eyewear apparatus fashioned as a pair of glasses; providing contrast enhancements to help hunters with game recovery by enhancing red colors.