If the person noticed that he began to see badly, then it is necessary to go urgently to the doctor to choose glasses. The presented range is rather wide therefore it is important to know how to choose men's glasses for sight. To cope with this task costs, to consider several important aspects, but without the assistance of the ophthalmologist and optics it cannot be made.
How to choose a spectacle frame for sight?
Perhaps, many will be surprised, but one of the most sensitive places on a human body – a nose bridge. For this reason it is important to approach selection of a frame with special care. The frame is considered good if it does not press and does not bring discomfort and does not fall down, even at a small ducking. It is recommended to give preference to a support, with mobile nosoupor which adapt to features of the face of each person. Experts consider that the frame is ideal in case the pupil appears strictly on the center of lenses. The metal support which will serve long time is considered the most qualitative.
How it is correct to choose lenses of glasses?
It is the most important part wearing spectacles as depends on it as the person will see. It is worth noticing that if lenses are picked up incorrectly, then the sight can only worsen. Lenses from glass and polycarbonate plastic are used. To understand what to choose lenses on glasses, we will consider advantages and shortcomings of each option.
Glass pluses:
- durability;
- long service life;
- protection against UV-radiation;
- it is possible to put various coverings, for example, against patches of light.
Glass minuses:
- big weight;
- fragility;
- the increased density leaves marks on a nose bridge.
Pluses of polycarbonate plastic:
- small weight;
- there are different color options.
Minuses of polycarbonate plastic:
- softness and low durability;
- because of low index of refraction in a sock not such comfortable;
- high risk of appearance of scratches.
As for color lenses, experts recommend to give preference to brown, gray and black options.
There are also lenses of new generation which are made on new technology. They unite zones of distant and near sight, thanks to an intermediate corridor of a progression. It is possible to refer blurring of objects at the edges of a corridor to shortcomings. Significant plus is the lack of risk of jump of visibility, and it promotes removal of excess loading from eyes.