Lens coatings not only provide a cosmetic effect for your eyeglass lenses, no matter whether they are single vision, bifocals or progressives, they also offer additional durability and performance.
Each eyeglass lens coating has a specific value based on customer’s needs. Below is an overview and definition of the most popular coatings.
Even with all the technology advancements there are still no lenses made that are 100% scratch-proof. Scratched lenses are a distracting and can affect your visual equity. Today, most lenses offer scratch “resistant” coatings. The key word is “resistant” instead of scratch proof. Scratch-resistant coating offer much harder surface. Scratch-resistant coating offer the greatest benefit and durability for children’s lenses.
Every pair of eSunsation’s lenses purchased includes scratch-resistant coatings. In addition eSunsations also offers an “advanced” scratch-resistant coating, for an additional cost, that provides even greater durability and resistance to scratches. Please remember, no company can offer a 100% guarantee against lens scratches.
What are Anti-reflective coatings?
Anti-reflective coating, often abbreviated as "AR coating", can help improve your vision by reducing glare and eye strain from bright lights in night driving or when working on a computer. Often the complainant of headaches and fatigued eyes is eliminated by adding “AR” coating to eyeglass lenses.
An additional benefit with “AR” is cosmetic. Think about people you have been speaking under bright lights in which you barely see their eyes due to the glare of lighting. After adding “AR” coating the glare from lights is eliminated and people can see your eyes!
Another cosmetic effect of “AR” is to eliminate the visual effect of “thick” lenses for those people that have very high prescriptions. The thick “bottle” effect disappears when adding “AR” coating to their eyeglass lenses.
What is Blue Light Coating?
Blue light coating is a special coating which works by reflecting high energy blue light and restricting it from entering into the eyes. This coating or blue light filter blocks the harmful portion of blue light and allows the healthy portion of blue light to pass through your eyeglasses lenses.
UV protectionUV Coating
By now, most of us know that cumulative exposure to UV radiation is bad for our eyes and is associated with age-related eye problems such as cataracts and macular degeneration. Lenses that block 100% of both UVA and UVB help to ward off the damaging effects of UV radiation. Thankfully, nearly all high-index plastic lenses and most sunglasses have 100 percent UV protection built-in.
What Are Gradient Coatings?
Gradient-tint lens coatings start as dark tint at the top of a lens and then progressively lighten toward its bottom. The result is a pair of sunglasses that offer you a certain amount of sun protection however varies by colors chosen and darkness of coating.
What Are “Double” Gradient Coatings?
Double gradient lenses have a top tinted section but are primarily tinted from the bottom up. ... These lenses protect from overhead sun and ground-level reflection while still delivering lenses that aren't too dark. The result is a pair of sunglasses that offer you a certain amount of sun protection however varies by colors chosen and darkness of coating.
What are Mirror Coatings?
Mirror coatings are applied to lenses by a vacuum application of interference layers made of powdered oxides, metals, lacquered plastics or other available compounds. Mirror coatings are composed of constructive interference layers that interfere with light passing through the lens by reflecting light.
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