Red Lens Clip on Flip up Blue Light Blocking Glasses JQ4(60MMX50MM) feed-color-Black/Purple/Transparent Frame width about 5 5/16

Frame width about 5 5/16 inches (135mm)

plastic frame with spring hinges

Lens Size: 60mm Width x 43mm Height (2

Temple length about 5 7/16 inches (135mm)

Blue and green light (400nm-550nm) from digital screens can disrupt your natural sleep-wake cycle

Red Lens Clip on Flip up Blue Light Blocking Glasses JQ4(60MMX50MM) feed-color-Black/Purple/Transparent Frame width about 5 5/16Ideal 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. Acrylic lens, only perfect fit same size eyeglasses Frame width about 5. 12 inches (130mm) Lens width about 2. 37 inches (60mm) Lens height about 1. 97 inches (50mm) Bridge (DBL) about 0. 59 inches (15mm) Ultimate Blue and Green Light Blocking: Red lenses filter out 100% of sleep disrupting