Alva Review-Courier -

Eyeglass improvements


October 12, 2018

“Any sufficiently advanced technology is indistinguishable from magic” -- Arthur C. Clark.

Just as batteries have grown in capacity and longevity, computers from novelty to necessity, and diaries with darkest secrets to social media with a “let it all hang out” mentality, l have always been curious about self-darkening glasses, goggles and welders' face shields. What a great idea to prevent exposure to bright light with the effect of preventing eye damage and slowing-down the cataract process!

The “sorcery” of photochromism reminds us of the chameleon’s ability to change col...

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