Views: 204 Author: Site Editor Publish Time: 2021-01-09 Origin: Site
At present, there are several common functional lenses on the market: myopia prevention and control lens (control axial growth lens), harmful light protection lens (discoloration, dyeing or polarizing, anti-blue lens), progressive multifocal lens, anti-fatigue lens and driving lens. In the face of a variety of lens products on the market, do you feel confused? What is the difference between multi-functional glasses for vision correction? Is it really effective, or is it just a gimmick?
Myopia prevention and control lenses are mainly divided into reduced peripheral defocus lens and myopia defocus type. By reducing peripheral hyperopia defocusing or myopic defocusing, the axial growth can be controlled and the growth rate of myopia degree can be slowed down. The design of progressive lenses and progressive prism can control myopia by changing the adjustment force of eyes when they look closely. Due to the different control principles, the control effect of specific suitable youth groups and each child is not the same, so we need to find a professional doctor to guide the fitting. The best progressive multifocal glasses are especially suitable for progressive multifocal readers.
The harmful light protection lenses include anti ultraviolet discoloration, staining, polarizing lenses with anti-glare and anti-harmful blue light. Tinted lenses can prevent the strong stimulation of the sun on the eyes and increase the beauty of the lenses. The color changing lens is transparent in the room. After being exposed to ultraviolet light outdoors, the lens changes from colorless to colorful, so as to protect the eyes. Polarizing lens is a kind of lens that only allows the light in a certain polarization direction to pass through, which can reduce visual discomfort caused by glare, suitable for outdoor sports, such as fishing and skiing. Anti-harmful blue glasses, such as anti-reflective glasses for computers and anti-blue radiation computer glasses, can greatly reduce the harm of blue light to glasses, which is suitable for people who often watch electronic products.
Progressive multifocal lenses have different degrees, can meet the vision of different distances, can wear to walk at the same time can correct the eyesight. Progressive multifocal glasses are suitable for people who change glasses frequently due to the change of distance between objects.
Through the lens design, it can help the eyes to reduce the adjustment force needed when looking closely, so that the eyes can also be relaxed to achieve the purpose of relieving and reducing eye fatigue. At the same time, it can also add anti harmful blue light functions, such as blue light blocking anti reflective coating and anti-reflective blue blocker, which is suitable for young and middle-aged people with more electronic products.
The driving lens is designed according to the different characteristics of the driver's daily work and life. Under the conditions of dark light or bad weather, the driving lens can give the driver better vision, reduce the dizziness caused by glare and strong light such as the scattered light of opposite lights and street lamps at night, reduce the visual pressure when driving, and give the driver a more relaxed feeling.
In addition to the above five functional glasses, we also need to use anti-blue-light sunglasses or polarized reader sunglasses to protect our glasses when we go out.