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Light Responsive Lenses | Warby Parker | Page 22 - Automatic Darkening

The story of transition lenses (technically called ) began in the 1960s at Corning Glass Works, where William H. Armistead and Stanley Donald Stookey discovered that embedding tiny silver halide crystals into glass allowed it to darken when exposed to UV light. Interestingly, this technology is essentially the same science used in old-fashioned photographic film , but with a reversible chemical reaction that allows the lenses to clear up again indoors. buy transition glasses online

Affordable Transition Lenses - Transitions® XTRActive New Gen Light Responsive Lenses | Warby Parker | Page

You can purchase these lenses from several major retailers, often bundled with popular frame styles: Transitions Official Store Locator Ads are paid and are always labeled with "Ad" or "Sponsored"

For decades, these lenses were made only of heavy glass and were notoriously slow to change, earning them a reputation for being "moody" or unstylish. A major breakthrough occurred in , when Transitions Optical—a joint venture between PPG Industries and Essilor—launched the first lightweight plastic photochromic lenses , making the technology practical for everyday fashion. Where to Buy Transition Glasses Online

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, which are designed to darken even behind a car windshield—a common limitation of standard transition lenses. Key Benefits to Consider