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Wenzhou Wanrun glasses factory tells you how to choose reading glasses correctly

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Old flower, also known as old mirror, is an optical product. It is used by presbyopia patients and belongs to convex lens. How can I buy reading glasses when there are so many in the market? The following is how to correctly select presbyopia glasses. Presbyopia glasses mainly include single light, dual light and graded focus presbyopia glasses. Monocular glasses: monocular glasses are usually used, that is, the whole pair of glasses are top-down glasses with simple functions. In addition, it is only applicable to things around you, such as reading books, reading newspapers and surfing the Internet. The price is relatively cheap and affordable.

Binocular presbyopia: the lens of binocular presbyopia consists of the upper half plane lens (without refractive power) and the lower half presbyopia lens. It can be seen that the middle of the lens is on a clear dividing line. The upper part of the lens does not have the power of "looking far", while the lower part is "looking near". This design can: the distance is clear and visible to meet the user's requirements. At the same time, because it is a combination of two lenses, the optical performance is more stable and more suitable for the eyes of middle-aged and old people

The selection of protective dual light presbyopia glasses can effectively prevent the problem that the optical performance of progressive sheet is unstable and requires long-term adaptation, and effectively realize long-term vision. Functional requirements for a pair of presbyopia glasses. Progressive presbyopia: progressive lens presbyopia, also known as progressive focal presbyopia, mainly combines myopia and presbyopia. Wear and gradual aging. Presbyopia glasses need middle-aged and old people to have strong adaptability, because progressive presbyopia glasses are easy to have poor vision when going up and down stairs. This requires a certain adaptation period.

Select presbyopia glasses from materials: the lenses of presbyopia glasses mainly include resin and PC. Some "crystal reading glasses" on the market are actually made of inferior materials. It does not belong to optical glasses, and contains a variety of impurities, with poor clarity, easy to produce visual fatigue, and seriously affect the visual health of the middle-aged and old people. The reading glasses with fat lens are mainly aspheric and hard resin. They are lighter and thinner than ordinary spherical lenses. They are resistant to corrosion, fragile, UV and radiation, beautiful and elastic. It has excellent impact resistance, safety and durability. Wide vision, clear and natural vision, comfortable to wear. PC image

This film, also known as "cosmic film", is characterized by high definition, light texture, reduced wear stress and fatigue, impact resistance, long service life and 100% UV protection. Presbyopia glasses are divided into full frame, frameless and half frame. In terms of shape, there are old flowers with folding, unfolding, stretching and PC integration. Mirrors, etc. According to the frame size, there are large, medium and small sizes. Customers can choose their favorite presbyopia glasses according to their needs. The article is from the Internet. If there is any infringement or violation, please contact us for deletion.

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