Enjoy powerful magnification with these durable yet lightweight half-eye prismatic spectacles. The scratch-resistant lenses are crafted from uncoated optical plastic. Diopter Avalable in: 4D, 8D, 10D, 12D - Lens sizes: 1.6 inches (40 millimetres), 1.8 inches (45 millimetres) or 1.9 inches (49 millimetres) - Aperture: Full field - One-year warranty - Colours: Tortoise-shell or Crystal - Note: Before purchasing spectacles, CNIB recommends you discuss your requirements with a CNIB low vision specialist, in order to find the best solution for your individual need
