How to care for glasses, prolong the life of lenses?
- When placing the glasses, the convex side of the lens should be facing upward to avoid grinding the lens. If it is not used for a long time, it is best to store it in the mirror box;
2, the use of glasses should not be too long, because wearing the same pair of glasses for a long time may lead to lens wear, and lens wear may make the parameters affected, once the use of parameters no longer applicable, not only may lead to blurred vision, but also may bring damage to the eyes, so you should also pay regular attention to the accuracy of the lens parameters and decide whether to replace the new glasses. best place to buy eyeglasses
3, should not put the glasses in heating, furnace and other high temperature areas, do not wear glasses shower, high temperature will make the glasses deformation and damage the optical performance of the lens; It may also cause the frame to deform.
4, do not use clothes, paper towels to wipe the glasses, to avoid scratching the lens, should use clean glasses special cleaning cloth to wipe. If the lens is very dirty, you can use diluted dishwashing liquid on the surface of the lens to evenly apply, then rinse with water, put in a cool and ventilated place to dry naturally, you can also use clean toilet paper on the lens to clean the water stains;
- When taking off and wearing glasses, hold the mirror leg with both hands and pull it off or wear it back parallel to the sides of your cheeks. If wearing with one hand, it will easily cause deformation of the frame; The deformation of the frame will not only affect the comfort of wearing, but also may affect whether the parameters of the glasses can be accurately fitted and used.
6, often check the parts of the glasses, if you find that the screws are loose, you should tighten the screws in time.
Do you have to choose imported lenses?
Lens brands include domestic and imported two categories. In general, the quality of the regular brand of lenses can be guaranteed, as long as it is a qualified product, the various parameters of its lenses are in line with the standard.
The price of imported lens brands is relatively high, while the quality of domestic lenses has been improving in recent years, and the cost performance is high. Of course, some parents trust foreign brands more and can choose according to their personal consumption concepts.
When do children need to change their glasses?
When the following four situations occur, the child's glasses need to be replaced: the child's optometry results have significantly changed; The pupil distance of the child has obvious change; Lenses appear obvious wear, film off, aging and other conditions; The glasses accessories are damaged and deformed.
