(2) In a clear lens, Crizal Alizé UV and Crizal Easy UV offer comprehensive UV protection, while Crizal Sapphire® 360° UV, Crizal® Rock™, Crizal® Prevencia®, and Crizal® Avancé UV™ offer optimal UV protection, on all lens materials except 1.50 clear plastic, the higher the E-SPF® index, the greater the level of UV ...

The Crizal lens is a very powerful, high-quality lens which brings to the user the clearest vision possible. These lenses are modernly crafted and equipped with high-performance treatments to protect the user from harmful UV rays, blue-lights, dust, pollution, water, glare, smudges, and sharp lights.

Essilor is the leading name in eyewear lens technology, continuously striving to bring you the latest innovations in lenses. Crizal is the flagship brand by Essilor, which offers anti-reflective lenses that provide outstanding vision quality and the best shield against UV radiation to your eyes.

How do I identify genuine Crizal Lenses? Crizal Lenses will have a unique Fog ID on the lenses. This can be identified by fogging the lens. The Crizal Single Vision range of lenses have this fog ID.

Within both prime and zoom types of lenses, there are a variety of lenses, all with different focal lengths.

• Macro Lenses. This type of camera lens is used to create very close-up, macro photographs.
• Telephoto Lenses.
• Wide Angle Lenses.
• Standard Lenses.
• Specialty Lenses.

What are the different types of eyeglass lenses?

• Concave lenses. These are thinnest in the center.
• Convex lenses. These lenses are thickest in the center, like a magnifying glass.
• Cylindrical lenses. These curve more in one direction than in the other.

Crizal Drive offers up to 90% less reflection at night, at 507nm where eye sensitivity is the highest, compared to a lens with a hard coat.

Crizal isn't a lens , it is just an anti-reflection coating Essilor uses on their lenses. They both make top quality lenses , like every lens manufacturer does. One is not any better than another. Every lens maker has coatings that are as good or better than Crizal also.

The Varilux lenses also have built-in UV protection, which means you only need to wear sunglasses when you go out in the sun. This is a major advantage over Crizal lenses because it saves you time and money.

Both brands are of high reputed and offers you high quality lenses. Crizal is popularly used with anti-reflective coating. These almost invisible lenses are extremely durable, scratch resistant, and very easy to clean. Carl Zeiss lenses are with the superb colour, brightness and clarity.

Crizal Sapphire HR This patented technology improves clarity, cleanability, UV protection, and scratch resistance. Sapphire HR was voted the #1 best overall anti-reflective coating by external and internal lab tests compared to other branded AR coatings in worldwide consumer testing.

Convex lenses are thick in the middle and thinner at the edges. A concave lens is flat in the middle and thicker at the edges. A convex lens is also known as the converging lens as the light rays bend inwards and converge at a point which is known as focal length.