NoIR filters can help people minimize eye discomfort and maximize visual resolution. Filter shade number 60 - orange - allows in 48% of visible light, has 100% ultraviolet protection and intensifies backgrounds, allowing wearers to see objects more clearly. It also offers blue blocker protection. It is often recommended for people with Macular Degeneration, due to its glare control and contrast enhancement. This Contemporary wrap around frame is designed to wrap closely around the face for close protection and light blocking. This frame style cannot be worn over other glasses. Above image is for style only and does not perfectly represent actual lens color.