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  1. Replies
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    Thanks Harry.I will try the attached formula.

    Thanks Harry.I will try the attached formula.
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    Lens Center Thickness

    Hi guys, anyone has the formulation on how center thickness of a lens is derived from edge thickness ?
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    Haze Spec for Ophtalmic Lenses

    Hi Guys, anyone has information about haze spec for ophtalmic lenses ?
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    2,994

    Fern on Tinted Lens

    Thanks, Chip. But mine is not hardcoated. and it looks like some micro crack but a beautiful fern shape
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    Fern Image of Plus Lenses

    Hi guys, i just bought a pair of high plus lenses, and one of it contains something like fern on the surface. any idea why ?
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    Polycore does it, you can check its subsidiaries.

    Polycore does it, you can check its subsidiaries.
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