japanese imported reading glasses men and women anti-blue light anti-fatigue anti-radiation middle-aged and elderly ultra hd ultra-light presbyopic glasses

ordinary black frame ordinary red frame black blue frame anti-blue light black upgraded anti-blue ray blue tape red upgraded anti-blue ray blue tape

anti-blue light +100 degrees [recommended under 50 years old]] anti-blue light +150 degrees [recommended 50-55 years old]] anti-blue light +200 degrees [recommended 55-59 years old]] anti-blue light +250 degrees [recommended for 60-64 years old]] anti-blue light +300 degrees [recommended 65-69 years old]] anti-blue light +350 degrees [recommended 70-74 years old]] anti-blue light +400 degrees [recommended over 74 years old]]