Subject: Are the lens of eyeglasses made of powder?
Date: Tue Mar 15 01:10:54 2011
Posted by k
Grade level: 10-12
School: No school entered.
City: No city entered. State/Province: No state entered.
Country: No country entered.
Area of science: Engineering
Someone told me that the lens of eyeglasses are made of powdery substances.
They even say that this is why water dropltes can enter the lens, forming
water spots (look like opaque patches) that cannot be removed on the lens. Is
Re: Are the lens of eyeglasses made of powder?
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