Where does the grease on spectacle lenses come from? When spectacles get dirty and smeared, they have an oily sheen if you look at the lenses side on. Breathing on them, then buffing with a cloth, as I used to watch my father doing, has no real effect. the only way I have found to get my spectacles really clean is to wash them in soap and warm water. Perhaps there are other methods known to real spectacle wearers?<\/p>","protected":false},"excerpt":{"rendered":"
Where does the grease on spectacle lenses come from? When spectacles get dirty and smeared, they have an oily sheen if you look at the lenses side on. Breathing on them, then buffing with a cloth, as I used to … Continue reading