How to choose glasses for sight

Eyes are the most important senses. Through them we see so much beautiful: the creations of artists, nature. Due to the vision, we perform elementary practical skills. Our safety depends on the proper eye of the eye. Unfortunately, vision is often not completely. Fortunately, there is a wonderful invention of civilization - glasses. It is important to competently pick them up in order not to fall into ridiculous situations.

Contact only specialized salons. Purchase points in the markets are dangerous to health. The store has an ophthalmologist who provides an individual approach. He will check the parameters:

Optical strength. Only a specialist will decide when you congently with you, is it worth keeping 100% strength or make a little salary to train your eyes.
CENTRAL DISTANCE. With the right selection of points, the optical axis of the eye falls on the center of the glass. The error is allowed to 2 mm. Otherwise, there is a risk of developing a squint.

Pay attention to the characteristics of the speaker lenses:

The higher the refractive factor, the less the thickness of the lens, i.e. They are easier and look elegant. Such glasses have less image curvature.
Popular plastic lenses are now popular. They are lightweight and less traumatic. But glass is more durable.
There are additional applying. The photochromic layer provides protection against ultraviolet rays, and the polarizing layer does not miss the glare.

The color and shape of the rim depends on the appointment of points. For the office, they will fit more stringent, and to enter light - bright and bold models. Consider oval faces, trying on glasses. A round frame form will suit the square frame, oval glasses harmoniously look at the square form of the face. If you have oval contours, try on rectangular models.

Choose glasses with silicone movable noseporates. It is important that the towers leave the track on the skin near the temples and their length corresponded to the distance from the rim to the ear.