|How to care for and clean optical surfaces
|Environnement technique - Maintenance
|Community eye health journal
|Many ophthalmic devices have optical components such as windows, lenses, mirrors, filters, and prisms; even very small irregularities (such as scratches) can cause unwanted scattering of light which reduces quality. The surfaces of lenses, prisms, and windows are often coated with an antireflective layer to prevent loss of light due to reflection. Mirrors have a highly reflecting coating to get maximum reflection of light. Filters have coatings to cut out undesired wavelengths. The coatings are very thin and delicate and can be damaged by improper handling and cleaning. By following these suggestions, you will help ensure that all of the optical surfaces in your eye care equipment perform optimally.
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