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By Nelson from Puerto Rico
By
12/13/2010
I successfully removed the coating from my glasses. They are hi-index plastic. I don't know what kind of coating it was. I read that tire cleaner containing hydrofluric acid was successfully used on plastic lenses. I grabbed an old bottle of tire cleaner having sodium metasilicate and sodium orthosilicate and put just a couple mililiters of it in a small ceramic bowl and submerged just the outer lense in the solution for about an hour. The coating dissolved completely. I just rinsed it off and it was like new (except for scratches that had gone all the way into the plastic substrate). they look beautiful and I will get another year of use out of the lenses. Before microscopic picture of damaged coating is shown in red lighting. Green dish with lense half submerged in solution. Dislodged lense coating hanging from my gloved finger. Final condition of glasses. Only real damage to lenses is on one where I used my fingernail to try and remove the coating.
By
09/06/2010
Did you get the glasses from Wal-Mart? (I'm assuming they have stores in PR.) Their glasses are notorious for doing this. If you have the receipt from when you got them, and they're still under the guarantee period, just take them back to the store. They'll have to replace the lenses for you.
If you didn't get them from Wal-Mart, check the policy for the place that did make the glasses. They might have a similar policy.
Good luck!
My glasses have the scratch resistant coating on them which has slowly been peeling
I've just read almost every article on this site for repairing scratches on eyeglasses, and can't find one problem that sounds like mine. I'm hoping someone has an answer.
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