De-mystifying optical terms
11th Feb 2025
Like most industry sectors the optical world has its own esoteric language and sector-specific terminology. So if you’re baffled by terms like G15, EN166, TR90, photochromic, Trivex, CR-90 and so on we can help! We’ve just put together a glossary of optical terms to explain what all these strange terms mean. Go to ourEyewear Information page to find it (scroll down on the page).