This displayed photochromic lens darkens on exposure to UV radiation. It will darken into a sunglass tint when exposed to UV for protection against harmful UV rays. It is compatible with a wide range of spectacles frames.

• UV protection.
• Gradient design.
• CE and FDA compliant.
• Light transmission.
• Brown starts at 95% and darkens to 35%.
• Grey starts at 88% and darkens to 13%.
• Grade A.