Red Lens Metalless Sleeping Glasses for Nighttime Use Blue Blocking NR2142-R100 feed-color-Blue/Orange/Pink Frame width about 5 3/8

Frame width about 5 3/8 inches (136mm)

Lens height about 1 5/8 inches(41mm)

but titanium glasses are nickel-free and therefore less likely to cause an allergic reaction

Lens height about 11/8 inches (28mm)

fewer nighttime awakenings

Red Lens Metalless Sleeping Glasses for Nighttime Use Blue Blocking NR2142-R100 feed-color-Blue/Orange/Pink Frame width about 5 3/8Ideal 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 metaljust flexible, durable hinge that snap back perfectly every time. Strong screwless hingesno 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