NoIR filters can help people minimize eye discomfort and maximize visual resolution. Filter shade number 60 - orange - provides 100% ultraviolet protection. It allows in 48% of visible light and it provides high contrast and intensifies backgrounds allowing wearers to see objects more clearly. It also features blue blocker protection. It is often recommended for people with Macular Degeneration.
This clip-on style lens can be attached to an existing pair of glasses and flipped up when not in use. Lens measures 132mm x 52mm (5.20" x 2.05").