Eyeglass Lenses Guide
Eyeglass Lens Overview
When it comes to customizing eyeglasses, there are many eyeglass lens materials that can give you the functionality and fashion you want. Although materials don’t have an impact on the corrective power of the lens, different materials do offer specific lifestyle benefits. Take a look at this eyeglass lens overview to learn more about the most popular and widespread lens materials, then speak with your certified eye care specialist to choose a lens that’s right for you. Taking the time to locate appropriate lenses will ensure your new eyeglasses are comfortable, stylish, and functional.
- Hi-index lenses. Using a unique method of refraction, hi-index lenses provide vision correction using less material, resulting in a thinner lens. These smaller lenses are perfect for patients with high prescriptions. Thinner lenses also mean your glasses will be lighter and more comfortable. When looking at hi-index lenses, you will see numbers such as 1.50 or 1.67, which correspond to the thickness of the lens (higher numbers are thinner).
- Polycarbonate lenses. One of the most popular lens materials, polycarbonate lenses are made from a “hi-index plastic” that is sturdier and more durable than regular plastic lenses. Polycarbonate lenses offer a lightweight construction that is comfortable to wear. They also have the added benefit of built-in UV protection, which makes them great for anybody who spends time outdoors.
- Trivex lenses. Trivex is a newer material which shares many of the characteristics of polycarbonate lenses. The one major advantage of Trivex lenses are their unique optics, which provide clearer and crisper vision. Trivex is just as durable as standard polycarbonate lenses, but more rigid. This makes them perfect for children’s eyeglasses, safety lenses, and sport vision.
- Photochromatic lenses. Photochromatic lenses are a convenient option that shift to a dark tint in sunlight and turn translucent when indoors. The main benefit of these lenses is that they eliminate the need to carry around two pairs of prescription glasses. The dark tint appears when the lenses are exposed to UV rays. Keep in mind that these lenses may not work well behind the windshield of your car, which blocks out most ultraviolet rays.
- Anti-reflective coatings and lenses. Anti-reflective coatings can be applied to any type of eyeglass lens. This helpful treatment is an effective way to remove both internal and external glare, improving the quality of vision correction. Anti-reflective coating is also useful at nighttime, as it does a good job removing distracting glares and halos from nearby light sources. Just about everybody can benefit from this special coating, but those with high prescriptions will find it especially useful.
- Ultraviolet coatings and lenses. Keeping your eyes shielded from harmful UV rays is an important way to keep them healthy. By purchasing UV-resistant lenses or having your lenses coated with UV-treatment, you can block out harmful rays that can cause cataracts and macular degeneration.
These are just some of the many eyeglass lens materials and coatings you can use to customize your eyeglasses. If you’re looking for more information about lenses that fit your lifestyle, don’t hesitate to contact your local eye care provider for more information. A certified eye care specialist can tell you exactly what type of lenses will work best for you.
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