Undercover Eyewear Day/Night Photochromic Bi-focal Reader Sunglasses

Transitions from clear to smoke in 30 seconds! More specifically, the lenses begin to darken after 12 seconds, darken to 85% of their potential within 30 seconds, and 100% after 60 seconds; depending on the outdoor conditions.

• Tested to 2,000+ transition cycles!
• The lenses should only be cleaned with water and a microfiber cloth/pouch. Cleaning with anything else may damage the lens. Eyewear should be kept in the protective pouch when not in use. 
• Comes in +1.5, +2.0, +2.5, or +3.0 Lined Bi-focal powers
• Adjustable nose and ear

Note: clear lenses have a slight amber tint when in the inactive state for greater contrast in low light conditions.

Note: No returns on eyewear.