Leader Junior Prescription Swim Goggle_Pink Gender_Women Photochromic lenses are optical lenses

Photochromic lenses are optical lenses that automatically darken in sunlight (UV light) and return to a clear state indoors

and harmful blue light up to 400nm

Smoke Gun Blue Mirror

How the Moisture Chamber Works

Leader Junior Prescription Swim Goggle_Pink Gender_Women Photochromic lenses are optical lensesPrescription Water Sports Eyewear, Swimming Eyewear, Surfing Eyewear. Product Details: Designed to accommodate virtually any prescription. Total Power Range: +20. 0D to 20. 00D to 4. 00D Cyl. Hypo allergenic silicone eye seals and strap. Adjustable nose bridge. Reusable plastic case. Unique leak proof lens bevel design. Special edging is required for leak proof performance.