presbyopic glasses, new anti-blue-light presbyopic glasses for middle-aged and elderly people, auto-focusing progressive lenses, presbyopic glasses specially for seniors

black green

250 [blue-light protection, 60–64 years old] 200 [blue-light protection, ages 55–59] 350 [blue-light protection, ages 70–74] 300 [blue-light protection, ages 65–69] 0 degrees [anti-blue light]] 400 [blue-light protection, 75 years and older] 150 [blue-light protection, ages 50–54] 100 [blue-light protection for under 50s]