Optical Prism April 2019 | Page 28

Special Feature Xperio ‘middle’ part of the lens designed to focus at the intermediate distance, that is computer distance or 80-100 centimetres,” says Martin Bell, director of education and quality assurance, Shamir Canada. “For active people however, Shamir Attitude III Sport moves the focal length in that lower/central area of the lens out to a distance about two to three steps in front of the wearer. “This makes for better enjoyment of their activities and an increase in safety as well. Perfect for dynamic sports in which rapid and sharp movements would otherwise cause distorted vision and affect performance.” OPTICAL PERFORMANCE Essilor Canada recommends polycarbonate lenses for sports as they offer the best shock protection, 28 Optical Prism | April 2019 Revo while polarized lenses enhance comfort and precision of vision by eliminating reflected glare. glare for greater visual comfort and offer crisper and truer colour perception. Airwear polycarbonate lenses offer protection, comfort and great optical performance. “There is enhanced UV protection with Crizal Sun coatings and sport- specific colours further enhance visual performance and comfort,” says Latendresse. “Airwear is virtually unbreakable providing the durability and strength that wearers seek,” says Sarah Latendresse, Essilor Canada’s marketing manager for Crizal, Transitions, Sun. “Airwear is 12 times more impact- resistant than standard plastic and provides 100 per cent protection against harmful UVA and UVB and are the best options for outdoor activities.” Essilor’s Xperio polarized sun lenses fully eliminate blinding Crizal sun coatings provide an anti- reflective layer to the back side of the lens, preventing UV rays from being reflected into the eyes. Crizal with Optifog lenses have a unique top layer with fog-repellence properties. “Fog can be particularly dangerous and uncomfortable during sports and leisure activities like biking, cycling, winter sports and running,” says Latendresse.