Routine Cleaning
It’s not difficult for most of us to tell how to maintain frame spectacles. When it’s dirty, we use soft cloth to wipe it. Be warned not to do that directly, but to either exhale on the surface of it or put it with a film of cleaners under running water. Then gently rub it to dry.
Daily Caution
Remember to give it a proper place while you take off your eyeglass, usually in glasses case. At least, neither sharp object, nor draw near the source of high temperature. If you move from a warm place to a cold one, the glasses on your face may appear water fog which inhibit your vision seriously. Since the material respects the “Expands with heat and contract with cold” principle, the simple and feasible measure is to wait for it to adapt to the latter environment, and the spray finally vanishes itself.
Professional Help
Moreover, you can turn to the optician for help. They provide free professional services such as cleaning optics. Just in case, your treasure meets accidental strike unfortunately, the workers there will adjust its shape, in order to accommodate it to your eyes, in terms of the parameters they first measured for you.
Contact Lenses
As a special case, we suppose to own a pair of contact lenses which beautify us from the outside. The price is inevitable that we spent more time on its protection.



Firstly, wash our hands carefully and do it again in contact lens solution. Then fetch one of the lens without mixing up the left and the right one, dump the special fluid on it and knead it softly, flush it with the solution. Following the other one. Finally soak them no less than 4 hours before you wear them.
We put them in assorted cases. And the former suggestion of asking for technical help still works.
