There are a number of lens coatings that will improve the performance of the lens.

Leech Eyewear offers several layers of coatings; Hydrophobic Coating, Mirror Coatings, Anti-Reflective Coating etc.

All Sunglasses offered by leech include is UV400 protection
(blocks all light rays with wavelengths up to 400 nanometers)
This covers all of UVA, UVB and UVC rays.


No eyeglass lenses — not even glass lenses — are scratch-proof.

However, lenses that are treated front and back with a clear, scratch-resistant coating have a much harder surface that is more resistant to scratching, whether from dropping your glasses on the floor or occasionally cleaning them with a paper towel.


Anti-reflective coating (also called AR coating or anti-glare coating) is a microscopically thin multilayer coating that eliminates reflections from the surface of eyeglass lenses. Lenses with AR coating provide overall a better vision for all kind of environments.


Just as we use sunscreen to keep the sun’s UV rays from harming our skin, UV treatment in eyeglass lenses block those same rays from damaging our eyes. Overexposure to ultraviolet light is thought to be a cause of cataracts, retinal damage and other eye problems.
UV-protective treatments for eyeglass lenses block those same rays from damaging your eyes.


Mirror coating reflects away the light and protect the eyes from strong sunny conditions. There are many different mirror coatings for many different environments. Mirror coatings are also a popular add-on as a fashion statement.


Imagine how much better you will see in the rain with a pair of hydrophobic lenses.
These coating bind together the molecules of the lens leaving no space for water to penetrate and create permanent water damage. This reduces the need to clean the lens as often as other lenses while making the cleaning process effortless. See more clearer with sunglasses that have hydrophobic coating attached and let water slip away easy from the lens surface.


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