Focus on Coatings

Lens Coatings - Advancing the Utility of Spectacle Lenses All optical materials, no matter how advanced or well-suited for a patient's needs, suffer from innate shortcomings specific to the lenses chemical makeup. Where crown glass is unquestionably superior in...

Principles of AR Coatings

How Do AR (Anti-reflective) Coatings Work? The Problem: No Time for Reflection As light passes through a lens from air, it experiences a change in index of refraction. When that occurs, some of the incident light is transmitted through the lens medium and refracted...

Polarized Lenses

Far More than Eliminating Glare Photographers often use polarized lenses on their cameras to obtain bolder colors and deeper contrast in their photos. In the same way polarized lenses remove the glare and improve the visual quality of a photograph, polarized...

Polarized Colors, Efficiency, and Use

Polarized Colors, Efficiency, and Use - Color Polarizing Efficiency Trans-mission Use Gray C 98% 25% Reduces the maximum amount of visible light and allows for true color recognition. Good for bright sunny days and heavy glare situations. Best uses include driving,...

The Dangers of Night Driving Glasses

It is an all too common misconception that yellow tinted or yellow polarized night driving glasses are beneficial for night time driving. The thought is, the yellow or amber color reduces glare and improves contrast. However, in reality, when driving at night or dusk...

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