These solutions have also been proven to be effective in law enforcement operations. Officers who view an Orion filtered screen or use the Orion Eyewear Filters can quickly look outside of a squad car into dimly lit environments with acquired dark adaption that is also retained.
Because of their similar optical properties, Orion eyewear and Orion screen filters can be used interchangeably during quickly changing light conditions. And because they deliver greatly enhanced vision capabilities, Orion eyewear is designated as Optical Eyewear Filters. The eyewear even comes with instructions so that officers can achieve maximum viewing benefits. The Orions are mil-spec ballistic certified, and although worn like traditional sunglasses, their optically superior performance cannot be compared with conventional dark lens eyewear.
Orion performance claims are verified by formal and independent research conducted by the U.S. Army, Navy, and Air Force. Additional research confirms that Orion eyewear provides a 5- to 10-minute “dark adaption head start” when compared to an unfiltered eye. This can be a life-saving advantage during law enforcement tactical entries or room clearing operations that should be executed within 30 to 60 seconds. It can also make great difference during patrol actions.
A formal Orion white paper prepared by a Ph.D.-level optical physicist and research scientist says: “The human eye’s wide dynamic range employs two different physiological mechanisms: photopic vision (high light) and scotopic (low light levels).” The structures of the eye responsible for photopic vision are cone cells, which have superior acuity [sharpness] and color distinction. Rod cells provide scotopic vision in low light, but have poor color distinction.
The white paper continues: “The novel [Orion] filter material is designed to reduce a portion of the…spectrum that inhibits scotopic vision and thus dark adaptation time is reduced.” In addition: “…visual acuity is maintained through a careful balance of scotopic and photopic vision” [and both] “…are tuned to provide optimum acuity for tablet, PDA, and computer displays.”