NoIR filters can help people minimize eye discomfort and maximize visual resolution. Filter shade number 22 - dark gray - allows in 11% of visible light and has 100% ultraviolet protection. This extremely comfortable color cuts glares and sharpens focus with natural color rendition. This filter is often recommended for people with Diabetic Retinopathy, Glaucoma or Cataracts.
This modern wrap around style frame (#52) measures 130mm x 148mm x 45mm (5.12" x 5.83" x 1.78") and is designed to wrap closely around the face for close protection and light blocking. This modern style wraparound frame cannot be worn over other glasses.