4 ms·
"Axis" is a term used with respect to astigmatism, but correcting for astigmatism is a basic part of lensmaking, and even the cheapest pair of glasses can do it
by twic 3y ago
"Axis" is a term used with respect to astigmatism, but correcting for astigmatism is a basic part of lensmaking, and even the cheapest pair of glasses can do it, so this is either something else, or an astoundingly bare-faced rip-off.