RG241LA BLUE BLOCK
Plastic reading glasses. With case and cord. With flexo. Lenses with UV filter against the blue light of screens. Powers: 0.00/+1.00/+1.50/+2.00/+2.50/+3.00/+3.50 What is blue light?Continued exposure to artificial light from digital displays carries a risk to the health of your eyesight,...