bluelight reading glasses women glasses with diopters photochromic near and far multifocal eyeglasses presbyopic reading glasses

here 3 function you can Choice, both progressive or single vision : A, normal anti radation. B, blue light blcoking. C, photochromic grey color. up means see far or distance. down means see close or near for reading.   for PLUS +, down diopter - up diopter =ADD. LIKE UP 100 DOWN 300 =+1.0ADD+2.0.   for minus -, up diopter - down diopter =ADD. LIKE MINUS 250 MINUS 100=-2.5ADD+1.5   many buyer like SHINU Progressive multifocal reading glasses. and our price much higher than other brand store. the reason is we use SHINU progressive resin lenses.and with high quality. cr39 resin lens also have many quality grade. AAA.AA. A .AB. B.we can say our quality is AA. and others. we can do any diopter. with astigmatism or without it.all can make it. 1.56.1.61.1.67,1.74 index also ok for us.   About how to order progressive . please check this video get some idea. other langauge check   Spanish : https://youtu.be/HbtPrhIeYvE Portuguese : https://youtu.be/rqy5sti-BbI Russian :