Blue Light Blocking Reading Glasses for Women - 3 Pack with Metal Oval Frame, Spring Hinge, Anti Blue Ray - 225 Magnification Strength

Product description How do I know the precise strength I need ? The best way I think is go to eye Dr or drug store where they sell reading glasses to have an exam. For convenient, you can search for an online guide for reader strength. The guide will repeat the same line in different sizes to help judge what strength you need, or refer to the age and magnification reference table on top pictures The glasses can help reduce the eye dry, eye pain, eye fatigue, even eye infection caused by long time exposure to harmful blue light. The glasses can help reduce headache which is caused by long time using the electronic devices for working, gaming etc. The glasses can help sleep better, as long time exposure to harmful blue light will inhibit the production of melatonin and affect sleep quality. 3 Pack Cat eye Reading Glasses 3 Pack Metal Frame Reading Glasses for Women 3 Pack Bifocal Reading Glasses 4 Pack TR90 Reading Glasses 3 Pack Reading Glasses for Men Semi Rimless Add to Cart Buying Options Buying Options Buying Options Buying Options Customer Reviews 574 — 42 15 246 Price $21 98 — no data — no data — no data — no data Blue light blocking ✓ ✓ ✓ ✓ ✓ UVA & UVB Protection ✓ ✓ ✓ ✓ ✓ Anti Glare ✓ ✓ ✓ ✓ ✓ Anti Eye Strain ✓ ✓ ✓ ✓ ✓ Gender WOMEN WOMEN MEN MEN MEN