Improve Your Vision
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Eyeglass technology has changed significantly in terms of optical clarity, comfort, and performance. Materials have changed offering reduced weight, safety, easy use, with improved cosmetics and comfort. In addition, various lens coatings have been developed to provide enhanced characteristics to a lens, from increased UV protection, blue light protection, scratch resistance, and glare reduction without destroying cosmetic appearance. At our Calgary and Regina optical boutiques, it is our privilege to help you find the products that will enhance your eye care needs.
At Eye Health Centres, we use the best lens material and coatings available from ophthalmic lens manufacturers like Essilor.
Lens Materials for Eyeglasses and Sunglasses
Hi-Index (Thinner and Lighter Lenses)
The higher the index of refraction of a material, the thinner the lens can be and still bend the light the same as a conventional material. This allows for a much more appealing looking pair of glasses, especially in higher prescriptions. Since less lens material is needed in hi-index, it is much lighter. The hi-index material itself blocks nearly 100% of harmful UV lights and is tintable.
Lenses made of polycarbonate material are the most impact resistant in the world. They are always the best choice for sports glasses, active children, and for protecting patients with only one usable eye. Polycarbonate blocks UV light. It is an entry-level type of hi-index material, so lenses are thinner and lighter than standard plastic.
For Eyeglasses and Sunglasses
When you get a new pair of lenses, you’ll be able to select from a wide variety of lens coatings that can be applied at the time of manufacture, which will provide some very helpful qualities for care and comfort.
In general, coatings are selected for properties that include scratch resistance, ease of cleaning, anti-reflective (anti-glare), and UV protection. We recommend the following coatings, which often combine these properties.
Optifog™ by Essilor – NEW!
Optifog™ is the first high-performance anti-fogging lens. Optifog™ lenses prevent eyeglasses from fogging up, thanks to hydrophilic coating, while simultaneously offering all the optical and anti-smudge performance of Essilor lenses. The number of eyeglass wearers affected by fog problems is currently estimated at 1.2 billion worldwide, on all continents, irrespective of climate conditions. Whether you would like fog-free lenses for cooking, bathing your children, sports, or in cases where you might wear a mask, such as health care, please come in and ask about Optifog™ today!
For more information about Optifog™, please see these brochures from Essilor:
Crizal Sapphire lenses with Scotchgard™ protector are the clearest no-glare lenses ever created. They have 50% less reflection than the best no-glare lenses on the market today for enhanced visual comfort and greater aesthetic appeal. Crizal Sapphire lenses have the best scratch resistance for a lens which is more durable and eliminates visual distractions. Cleanability is superb so fingerprints, water and smudges easily wipe away, and the best dust repellent so your lenses stay cleaner, longer. Crizal Sapphire has superior no-glare performance – the key innovation of this product is enabled by the Enhanced Light Transmission™ (ELT) System. This technology maximizes light transmission through the lens by even further reducing glare and visible reflections.
The prevencia coating selectively filters out harmful blue-violet light which contributes to eyestrain when using digital devices. Prolonged exposure to blue-violet light can also lead to eye-related diseases such as age-related macular degeneration. With Crizal Prevencia, not only are your eyes protected against blue-violet light and damaging UV rays, but this coating allows beneficial blue turquoise light in to preserve your sleep cycle for improved mood and clarity of thought.
Polarized lenses are made from a special polarizing film that is applied in the factory on the front surface of the lens. This film allows light rays to be filtered, consequently improving the vision in strong light conditions. Polarized lenses will protect you from UV rays, glare, and intense light reflections. In combination with a reflection-free coating, polarized lenses are ideal for fishing and driving.
A tint reduces the light intensity that gets to the eye for better visual comfort. This type of treatment is used for sunglasses. This treatment can be functional or aesthetic. Tints are available in many colours to be used indoors and outdoors.
We carry a wide selection of frames, from the industry’s most established designer brands to unique lines you won’t find anywhere else in the city.
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