Eye-deology Vision Care: Edmonton Optometrists, Opticians and Eyewear

Prescription Lens Coatings: Improving Comfort & Durability

Prescription eyeglass lens coatings can improve lens performance, increase durability, and can improve the appearance of your new prescription lenses. The combination of lenses and coatings for prescription eyewear is very similar to brakes and tires on a vehicle - achieving the best performance requires one to invest in both. Anti-reflective and blue light filtering coatings are great options for individuals that spend long hours in front of screens (i.e., computers, smartphones, tablets, etc.). Oleophobic/hydrophobic and hard coatings (i.e. scratch resistant) are wise additions for every eyeglass wearer. Want to learn more? Visit our licensed opticians in Edmonton.

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Scratch-resistant, "hard coat" lens coatings improve the durability and lifespan of plastic lenses. Because plastic is naturally prone to scratching, scratch-resistant lens coatings should be considered an absolute must for every pair of prescription eyewear. Unfortunately, scratch-resistant coating offerings are not all equal. When it comes to scratch resistance, glass is considered the standard. Seek out coatings the offer scratch-resistance equal to or greater than glass, and your glasses will be sure to endure everyday bumps and scrapes. Hard coats are beneficial for polycarbonate lenses that are especially vulnerable to scratching.

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Anti-Scratch Lens Coating

Anti-reflective coatings (also called "AR" or "anti-glare") improves vision, significantly reduces eye strain, and make your eyeglasses look more attractive. If you have astigmatism, high index lenses, spend more than 3 hours/day in front of a screen, or do a lot of night driving, you will benefit from an anti-reflective coating. High index lenses should always include anti-reflective coatings to counteract their tendency to reflect more light than standard index lenses.

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Anti-Reflective Lens Coating

Oleophobic and hydrophobic coatings repel moisture, oil, and smudges and make it easier to clean your lenses and keep them clean. They significantly reduce the frequency one must wipe their lenses of fingerprints and oil smudges touching your cheek or nose. These coatings are especially beneficial for advanced modern lenses where small particles and marks on the lenses can be distracting.

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Oleophobic Lens Coating

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UV coatings should be considered for conventional index lenses (index 1.50) because they do not protect the eyes from UV. The materials used for higher index lenses typically offer UV protection better than any coating because the protection is a function of the material rather than a thin lens coating that could become compromised with wear.

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UV Lens Coating

Blue light filtering coatings filter out the high-energy blue light emitted by digital devices. Lengthy exposure to High Energy Visible (HEV) blue light can lead to eye strain, eye fatigue and even sleeplessness. Blue light filtering coatings promote relaxed ocular behaviour, healthy blinking frequency, and better ocular health and are usually a nominal additional charge. Blue light filtering coatings have a warming effect, making everything 2-4% more yellow. For most individuals, this amount of warming is slight. However, individuals with occupations requiring accurate interpretation of colours should prefer to avoid the introduction of such a filter.

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Blue Light Filtering Lens Coating

Substrate-matched coatings ensure that the lens and coatings expand/contract together under changing conditions, making it less likely they separate and compromise vision clarity. Unfortunately, most lens manufacturers embrace a one size fits all concept, where every index of lens receives the same lens coating formula. Only premium lens manufacturers, such as Hoya, offer substrate-matched lens coatings. If you live in a temperate climate like Alberta, where the difference between indoor/outdoor temperatures can be significant, you would most certainly benefit from substrate-matched coatings. Consider them for your next pair of prescription eyeglasses or sunglasses.

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Substrate-Matched Lens Coating

Searching for an optometrist in Edmonton? Our experienced Edmonton eye doctors use advanced modern technologies and devote upwards of 500% more time towards providing personalized patient care than elsewhere so that they can see more and ensure that you may never see less. Position yourself to see the future with a visit to our eye clinic and Edmonton's best eye care!

Doctor Jennifer Ash, Eye Doctor (Edmonton)

Dr. Jennifer Ash is the Resident Optometrist at Eye-deology Vision Care. Dr. Ash provides patient care 5 days a week. Read more about Dr. Ash.

Doctor Ruhee Kurji, Eye Doctor (Edmonton)

Dr. Ruhee Kurji is an Associate Optometrist at Eye-deology Vision Care. Dr. Kurji provides patient care Tuesdays & Fridays. Read more about Dr. Kurji.

Doctor Jade McLachlin, Eye Doctor (Edmonton)

Dr. Jade McLachlin is an Associate Optometrist at Eye-deology Vision Care. Dr. McLachlin provides patient care 5 days a week. Read more about Dr. McLachlin.

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