Instruction
1
The selection of glasses for vision correction start with a visit to the ophthalmologist. Do not rely on the fact that the optical store you can check vision. Specialists desired profile. In addition, you also can not carry in the store his medical records in which are written all the features of your view. The doctor will determine whether you need glasses and measure the distance between the pupils. It will all be written in the recipe.
2
Decide which lens is right for you. Many of the usual ordinary glass, but with a strong myopia, they can be very heavy. In addition, the eye they seem much smaller than it really is, and rim to match it more difficult. But the optics can be plastic or glass lenses light weight. Usually in the accompanying documentation indicates the refractive index. The higher it is, the less will be the thickness of the glass, giving the same correction. Better if the index is greater than 1.6.
3
Ask whether the plastic lens surface hardening coating. Most often it is, but to make sure does not interfere. Very useful and antireflection coating. It improves light transmission of the lens and significantly. The lenses are coated with a less eye fatigue. This is particularly important under heavy loads.
4
Select the rim. The rims that are entirely made of resin, the nose pads are usually fixed. It's not always convenient. Pay special attention to not squeezing the bridge of his nose. Metal rims give preference to soft nose pads. As a rule, they are made from silicone and attached with screws that allows to put them in a comfortable position.
5
Note the ear pieces. They should not be too long or too short. In the first case, the glasses will slide in the second – you will not be able to wear them at all. Ear pieces don't have anything to push. If they squeeze whiskey, you will very quickly be tired.
6
Several meet your needs and sizes of frames, select the one that you like more and other beautiful looks on your face. New glasses you should feel the person is not only seeing well, but also elegant.
Note
Plastic lenses are easier than glass, but harder to maintain. They are more prone to mechanical damage.
Do not buy goggles with it, unless it is absolutely necessary. Not worth it to buy them and the first Hawker.
Do not buy goggles with it, unless it is absolutely necessary. Not worth it to buy them and the first Hawker.
Useful advice
Cheap metal rim can cause allergies. As a rule, in shops all goods are certified and the frames are made of durable materials, the relevant safety requirements.
If your funds are limited, and you don't know what to prefer expensive high-quality lenses in a simple frame, or Vice versa – choose the first one. You can choose among the cheap rims are decent, but if you make a mistake in choosing glasses, you can not avoid trouble.
If your funds are limited, and you don't know what to prefer expensive high-quality lenses in a simple frame, or Vice versa – choose the first one. You can choose among the cheap rims are decent, but if you make a mistake in choosing glasses, you can not avoid trouble.