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  2. Anti-scratch coating - Wikipedia

    en.wikipedia.org/wiki/Anti-scratch_coating

    Anti-scratch coating is a type of protective coating or film applied to an object's surface for mitigation against scratches. Scratches are small surface-level cuts left on a surface following interaction with a sharper object. Anti-scratch coatings provide scratch resistances by containing tiny microscopic materials with scratch-resistant ...

  3. How to Remove Scratches From Glass Using Items You ... - AOL

    www.aol.com/lifestyle/don-t-panic-exactly-remove...

    Using plain baking soda is another way to remove surface scratches from glass. After cleaning your scratched glass, mix together equal parts water and baking soda in a bowl until it’s a thick paste.

  4. Mirrored sunglasses - Wikipedia

    en.wikipedia.org/wiki/Mirrored_sunglasses

    The reflective coating on mirrored glasses can be very fragile and prone to scratching. Some high-end sun glass brands can come with anti-scratch coating. There can be steps implemented to protect the sunglasses and prevent scratching or damage.

  5. Surface imperfections (optics) - Wikipedia

    en.wikipedia.org/wiki/Surface_imperfections_(optics)

    This is a very basic surface characterization and is easy to achieve. It describes a scratch whose brightness is less than that of a scratch at visibility grade 80 and a dig with a diameter of up to 0.5 mm (50 hundredths = 50/100=0.5). 60-40 is considered "commercial" quality, while for demanding laser applications 20-10 or even 10-5 are used. [6]

  6. Glasses - Wikipedia

    en.wikipedia.org/wiki/Glasses

    Man with glasses. A woman with glasses. Glasses, also known as eyeglasses or spectacles, are vision eyewear with clear or tinted lenses mounted in a frame that holds them in front of a person's eyes, typically utilizing a bridge over the nose and hinged arms, known as temples or temple pieces, that rest over the ears for support.

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