During the DuraVision coating process, which item is not added?

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Multiple Choice

During the DuraVision coating process, which item is not added?

Explanation:
DuraVision coating is built from a stack of protective layers designed to cut reflections and protect the lens surface. The AR coating is applied to reduce glare and improve light transmission, making vision crisper. A hard coat is then added to resist scratches, which is crucial for lenses that endure daily wear. A top coat goes on to seal the layers and boost durability, helping with water and smudge resistance. In this system, there isn’t a separate stage called a clear coat. The process relies on the AR coating together with the hard coat and top coat to achieve the finished, durable anti-reflective finish.

DuraVision coating is built from a stack of protective layers designed to cut reflections and protect the lens surface. The AR coating is applied to reduce glare and improve light transmission, making vision crisper. A hard coat is then added to resist scratches, which is crucial for lenses that endure daily wear. A top coat goes on to seal the layers and boost durability, helping with water and smudge resistance. In this system, there isn’t a separate stage called a clear coat. The process relies on the AR coating together with the hard coat and top coat to achieve the finished, durable anti-reflective finish.

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