The Photochromic lens adjusts from dark to clear in about 35 seconds, and changes from clear to dark in about 8 seconds. Thus, The Smart Lens Safety Glasses can be worn both inside and outside without having to constantly change from one set of eyewear to another.
• Lenses change from clear to dark and back depending on light conditions.
• Durable frame with nylon brow
• Lens is coated for additional scratch resistance
• Soft adjustable nose piece
• Meets ANSI Z87.1-2003 high impact safety standards
• UV protection from 99.9% of UV rays
• Meets Traffic Signal Recognition Requirement ANSI Z80.3
• Stylish and modern design
•Cleaning Pouch and lanyard included.

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