Cat-eye Blue & Green Light Blocking Glasses Red Lens Sleep Glasses R2514-R100 Color:Black Q2: Will they damage my

Q2: Will they damage my sunglasses

stainless steel frame without spring hinges

Lens width about 1 5/8 inches (42mm)

Q5: How long do the lenses last

Temple length about 5 7/16 inches(138mm)

Cat-eye Blue & Green Light Blocking Glasses Red Lens Sleep Glasses R2514-R100 Color:Black Q2: Will they damage myIdeal 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