There is a lot of confusion out there about eyeglass coatings. People understand the idea that coatings are supposed to enhance the viewing experience, but which coatings are most important? Here’s an overview of what you need to know:
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The front and back surfaces of your lens naturally create reflections. These are especially visible when you’re looking at a light source (such as when you’re driving at night). An anti-reflective coating (also known as anti-glare) stops these distracting reflections and halos. While some people assume they might not need this coating, it usually only takes one pair of glasses without it to become convinced that it’s worth the extra cost. Polycarbonate, high-index, and aspheric lenses have the most reflections, so they benefit the most from an anti-reflective coating.
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Sometimes called “hard coat,” anti-scratch coatings are there to perform a very basic function: protecting your lenses from getting scratched during daily activities. As a general rule, plastic lenses are more susceptible to scratches than glass lenses, so they benefit from an anti-scratch coating more.
This coating is a more recent development that really came into play as we all began to spend more and more of our days in front of screens. As it’s now becoming apparent that so much screen time can lead to eye strain and potentially other issues such as the disruption of your sleep schedule, people are looking for a way to address the problem. A blue light coating takes light from the blue side of the spectrum and diverts it before it enters your eyes, dramatically lowering the negative effects of excessive screen use.
Protecting our eyes from sunlight has gotten more attention lately, and that’s a great thing. To protect your eyes from UV damage, you want lenses that block 100% of both UVA and UVB light. With eyeglasses, polycarbonate lenses, high-index lenses, and photochromic lenses all already offer full UV protection. But if you choose lenses made of CR-39, you’ll need an additional coating to stop UV rays.
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Polarization is the process of absorbing light waves only from a certain direction. A polarized coating on your lens will not be noticeable in most instances, but will dramatically reduce glare when looking at reflective surfaces like glass, the surface of the water outside, or snow. Depending on your lifestyle (especially if you spend a lot of time outdoors!), you may benefit from this type of coating on your new lenses.
A lens coating is a special treatment added to glasses to improve their durability, performance, and overall appearance. Whether you wear glasses for reading, driving, working, or everyday use, choosing the right coating can make a big difference in comfort and clarity. Some coatings come included in the price of your lenses, while others are optional add-ons. Here’s what you need to know about the different types of lens coatings and how they can benefit your vision.
While lenses alone provide vision correction, coatings enhance your eyewear’s functionality in several ways. The right lens treatment can:
Depending on your lifestyle and how you use your glasses, you may benefit from one or more of the coatings listed below.
There are several types of lens coatings available, each designed for a specific purpose.
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1. Scratch-Resistant Coating
Scratches on your lenses can be frustrating, making it difficult to see clearly and reducing the lifespan of your glasses. A scratch-resistant coating strengthens your lenses by adding a hard, durable surface. This treatment is especially helpful for people who frequently take their glasses on and off or have young children who may handle their eyewear. Many scratch-resistant coatings also come with a warranty for added peace of mind.
2. Anti-Reflective (AR) Coating
One of the most popular treatments for prescription eyeglasses, an anti-reflective coating helps to reduce glare and halos, especially when driving at night or working under bright lighting. It also makes your glasses more visually appealing by eliminating surface reflections, allowing people to see your eyes more clearly. This coating is an excellent choice for anyone who spends a lot of time in front of a computer screen or under artificial lighting.
3. Anti-Glare Coating
Similar to an anti-reflective coating, an anti-glare coating is designed to reduce the amount of light bouncing off your lenses. This is particularly useful for individuals who work with digital screens, drive at night, or are frequently in bright indoor environments. It can also help reduce eye strain by preventing excessive light from reaching your eyes.
4. Ultraviolet (UV) Protection
UV exposure can contribute to eye conditions like cataracts and macular degeneration. A UV-protection lens coating helps shield your eyes from harmful UVA and UVB rays, just like sunscreen protects your skin. If you’re purchasing sunglasses, ensure that your lenses offer 100 percent UVA and UVB protection for optimal eye health.
5. Mirror Coating
A mirror coating adds a reflective finish to the outside of your lenses, reducing the amount of light that enters your eyes. This is particularly useful in bright conditions, such as when skiing, hiking, or spending long hours outdoors. Mirror coatings also add a stylish, fashionable element to your glasses.
6. Digital Blue Light Coating
With the rise of digital devices, many people experience digital eye strain from prolonged exposure to blue light emitted by screens. A digital blue light coating helps filter out these high-energy light wavelengths, reducing eye fatigue and improving sleep quality. This option is especially beneficial for individuals who spend a lot of time on computers, smartphones, or tablets.
7. Photochromic (Transition) Lenses
Photochromic lenses, often known as transition lenses, automatically adjust to changing light conditions. They darken in bright sunlight and become clear again in dimmer settings. This type of lens coating provides consistent eye protection without needing to switch between prescription glasses and sunglasses.
8. Polarized Lenses
Polarized lenses are designed to reduce glare from reflective surfaces, making them a great choice for outdoor activities like driving, boating, and skiing. They work by blocking horizontal light waves, which can cause glare from water, roads, or glass surfaces. If you frequently find yourself squinting in bright environments, polarized lenses can help improve visual comfort.
9. Anti-Fog Coating
Fogged-up lenses can be an inconvenience, especially in humid conditions, when wearing a face mask, or during cold weather. An anti-fog coating prevents condensation from forming on your lenses, ensuring clear vision at all times. This is a great option for athletes, healthcare professionals, and anyone who frequently transitions between different temperatures.
The best lens coating for you will depend on your lifestyle and daily activities. Here are some quick recommendations:
At Optometrists’ Clinic Inc., we offer one of the largest selections of eyewear in Edmonton. Whether you need prescription glasses, designer frames, specialty lenses, or protective coatings, we have options to suit your needs.
Contact us to discuss your requirements of Resin&Polymer For Industrial Coatings. Our experienced sales team can help you identify the options that best suit your needs.