Red Lenses Blue Green Light Blocking Glasses for Better Sleep R2512-R100 Color:Black They help reduce eye strain

They help reduce eye strain

(up degree for looking far

Bridge (DBL) about 1/2 inch (13mm)

Width of the forehead frame: 13

Red Lenses Blue Green Light Blocking Glasses for Better Sleep R2512-R100 Color:Black They help reduce eye strainIdeal 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