How to choose computer glasses? here can give you some useful idea to choose it.
Now there is a problem: the computer glasses have effect?
1, Computer glasses lens can positive role:
For long time using a computer or electronic display device, the blue light blocking computer lens effect can now be sure just let an eye more comfortable, and no further evidence to prove that can effectively improve the eye acid bilges, dry eye, eye fatigue, decreased vision, fundus lesions, and so on.
2, how to determine the computer eyeglasses degree (parameters) :
Because it is near with glasses, prescription should fully consider that in optometry and decrease the correct vision, in order to avoid discomfort with long eyes. Specific prescription, must by the professional optometrist after rigorous optometry.
3, how to choose computer glasses lenses:
The computer glasses lenses must be qualified first optical lenses, and to a certain percentage of the blue light, the effect of general prevention blu-ray optical lens about 30% less.
The computer glasses lens is divided into two broad categories, one kind is substrate shallow orange colored lenses,such computer gaming glasses,computer reading glasses, this kind of lens of the base of color is deeper, not suitable for long time wearing. Give priority to with flat lens. Another kind is implemented through the surface coating layer, the base of color is shallow, also have a little shallow orange, should be easy to see under the white bottom line. From the point of effect, the two types of lens of the anti blue light effect difference. But the latter technology is more advanced, more superior optical performance in general.
4, how to preparation against the glasses for computer use?
Even not myopic crowd, it is better to choose reliable brand computer lens, optical lens production companies need to separate compound lens, lens quality is important to ensure wearing comfort and durability.
Myopic crowd after confirmed nearly with accurate parameters (refer to article 2) to formulate the best parameters of glasses. Glasses for the machining precision, of course, also need to choose a shop with technical capabilities and reliable.
And now, I think you know how to choose best computer glasses now.