While buying any safety glasses, lens material has a significant impact on both lens choices and the trait of the lenses. If you are going for safety glasses, you need to know about the different lens strengths, weaknesses, color availability, and prescriptions. Following this will help you to shop more productively.
The material from which the lens is made has a significant impact on the corrective power of the lens. Some of the lenses also have a substantial impact on lifestyle. However, a wide variety of lenses are available mainly: polycarbonate, high index plastic, polarized, trivex lens, and more.
Apart from this, other materials are typically available and, to a much lesser extent, high index glass. Knowing the best material for your prescription safety glasses will make it easier to narrow down your choice based on the kind of glasses you are hoping to get.
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Different types of lens materials for prescription glasses
Polycarbonate lenses
The type of plastic used in polycarbonate lenses is more impact-resistant than standard plastic lenses. These lenses are thinner and lighter in weight. It is considered a high-end plastic and also has built-in ultraviolet protection.
Moreover, it is available in every combination of prescription and lens color with very few specific exceptions. The lens has more optical distortion as much as high index and is used for medium to low power prescriptions while making prescription safety glasses.
The safety glasses made from polycarbonate lenses are unique for children’s lenses, sports, and safety lenses. Add abbe value to your safety glass lenses if you have a higher number. It will provide better vision quality through the lens.
Hi-Index Lenses
These lenses are made from a particular plastic material that refracts lights in different ways than regular lenses. The vision is clear with less material use. The plastic lens is graded in number, such as 1.50 or 1.67. Higher the number, the thinner the lens. The Hi-index plastic is scratch-resistant.
As the lens is thin, Hi-index lenses are lighter and comfortable to wear. The patient can grab an attractive and appealing glasses based on their prescription. These lens materials tend to cost more than any other plastic lenses.
Trivex Lenses
Trivex lens is similar to polycarbonate lenses but is a relatively new material with higher quality optics and is scratch-free. This material provides an evident vision. It is light in weight but thicker than a polycarbonate lens.
For the rimless or drill mount frames, trivex lenses are best as they have a more rigid material. It has an impact-resistant lens proving itself suitable for safety glasses. These lenses have become popular in recent years and are working their way to being customizable as plastic or poly.
Trivex lenses are considered the best combination of safety, comfort, appearance, and optical performance for most safety glasses by many eye care professionals.
Aspheric Lenses
Aspheric lenses give several advantages to prescription safety glasses. This lens contains flatter peripheral curvatures than regular lenses. It improves the cosmetic appearance as the amount of lens reduces and bulge out of the frame by reducing the magnification of the eye.
The flatter peripheral curves reduce distortion occurring when you look away from the center of the lens. Aspheric lenses are lighter in weight than other plastic lenses and make the vision crisper.
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Polarized Lenses
Polarised lenses are specially used to make safety sunglasses. The most common shades available are brown tint or grey and more. The lens is vertically polarised that decreases the bright glare and reflections to block horizontally polarised light.
The fisherman mainly uses these lenses for years to deal better with the bright sunlight reflected off the water. Polarised lines are used for outdoor field safety work.
Ultraviolet lens treatment
The main reason to apply ultraviolet treatment is to protect your eyes against UV radiations that accelerate cataracts and macular degeneration. It is essential to protect your eyes from UV damage.
UV treatment is specially designed for this treatment and is easy to apply to lenses. This treatment is often included with the purchase of safety glasses.
Photochromatic Lenses
Photochromatic lenses come with a special chemical coating that changes to dark tint in sunlight and turns transparent indoors. This type of lens is better for those who do not want to carry other pairs of prescription safety glasses as it offers two in one use.
Final Words
Hence, various options are now available to make your safety glass lens work best for you. Choose the glasses according to your needs. You can purchase one from https://www.safetyeyewear.net/ as they offer a vast collection at a very reasonable price.