A handy one-page PDF outlining VELs entire product offering within poly, 1.70 high index, plastic and glass in numerous treatments. To order a printed copy, visit vision-ease.com.
I saw Zero G Titanium today. Inline groove titanium frames similiar to Ovvo, Lool, Mykita, ic Berlin, etc, where they are cut from sheets. Quality was really good. They look much more polished than...
From the enigma post
"The lower (Ostwalt) branch of Tscherning's ellipse serves as the basis for modern "best form" spectacle lenses. Both branches can eliminate oblique astigmatism, but Wollaston's...