Red Lens Blue & Green Light Blocking Glasses for Optimized Sleep N801-R100 feed-color-Grey/Brown Lens width about 2 inches

Lens width about 2 inches (50mm)

By doing this the lens delivers greater definition

Enjoy clear distance vision instantly

Lens width about 11/16 inches (52mm)

If you've been troubled by glasses slipping down your nose

Red Lens Blue & Green Light Blocking Glasses for Optimized Sleep N801-R100 feed-color-Grey/Brown Lens width about 2 inchesIdeal for nighttime screen use, late night reading, or pre sleep relaxation, these glasses protect your eyes and help you fall asleep faster and wake up refreshed. Metalless & Screwless: No screws, no metal just flexible, durable hinge that snap back perfectly every time. Strong screwless hinges no worries about breaks or lost pieces. Ultimate Blue and Green Light Blocking: Red lenses filter out 100% of sleep disrupting blue and green light. Product