pure titanium frame reading glasses crystal stone men's and women's super middle-aged and elderly hd high-end presbyopic glasses anti-blue light

anti-blue ray resin lens protect eyes crystal lens

+100 degrees (recommended for 49 years old) +150 degrees (recommended for 50-54 years old) +200 degrees (recommended for 55-59 years old) +250 degrees (recommended for 60-64 years old) +300 degrees (recommended 65-69 years old) +350 degrees (recommended for 70-74 years old) +400 degrees (recommended for over 75 years old)