This photochromic lens will darken on exposure to ultraviolet radiation. The ergonomic design allows clear vision and bright clarity. It is an ideal choice to protect your eyes from heavy sunlight.

• 1.56 single vision: photochromic.
• 1.56 flat top: photochromic.
• 1.56 round top: photochromic.
• 1.56 blended: photochromic.
• 1.56 progressive lens: gray, brown.