The Cruxite lens samples, dating to circa 1950, are a fascinating artifact from the history of American optical marketing and lens technology — a salesman’s or optician’s display set of tinted glass lens blanks produced by the American Optical Company under their Tillyer Cruxite brand. Presented in a fitted display case showing the progression from clear to increasingly tinted samples, these lens blanks represent one of the earliest commercially successful lines of tinted ophthalmic lenses marketed specifically for sun protection and glare reduction.
The American Optical Company’s Tillyer Cruxite lenses were named after Edgar Tillyer, AO’s brilliant optical scientist who made significant contributions to ophthalmic lens design in the early twentieth century. Cruxite glass was formulated to absorb the harmful and uncomfortable portions of the light spectrum — particularly ultraviolet and infrared rays — while transmitting visible light with minimal color distortion. Unlike simple tinted lenses that merely reduced overall light transmission, Cruxite lenses were marketed as scientifically engineered to selectively filter the most damaging and uncomfortable wavelengths, representing a genuine advance in protective ophthalmic optics.
The original Saturday Evening Post advertisement included with this display — headlined “Don’t squint… don’t sunburn your EYES” — is a wonderful piece of mid-century American advertising history, showing how AO marketed Cruxite lenses directly to consumers through mass-market publications. The advertisement illustrates the lens’s light-filtering properties and emphasizes both the comfort and health benefits of wearing Cruxite lenses outdoors and under artificial light. Together the sample case and original advertisement make this a complete and highly evocative piece of American optical industry and advertising history from the golden age of optical innovation.





