There are certain standards on how to choose eyeglasses frames, it does not mean that glasses look good then the glasses are good, it is necessary to conifer comprehensive standards while choosing glasses, it will affect the eyes and the use of the effect of treatment.
Choose glasses frames need to follow the following principles:
1. The glasses frames must be consistent with the optical requirements.
Glasses frames should be close to the geometric center of eye pupil, the best distance (<4-10 mm is better), 1.3 diaper lens deeper circle should be smaller, 1.4 astigmatism should not use the largest circular frame.
After wearing the lens, the eye to ensure a distance of 10mm, mirror 10 degrees are downward-sloping.
2. The glasses frames should meet the aesthetic requirements.
Style: those who consider temperament and frame wear uniform style.
Coordination principles: the selected frame with the facial features of a unified form.
Color: to consider the character, color, costumes and so on.
3. Glasses frames chosen
Lenses from the eyeglass frame:
Half-frame drawing frame: crisp lines, suitable for most people, especially those who face width
Full box frame: a clear line of spectacles, a greater impact on the shape of the face, prone to a sense of deep and Cultural
Punch frameless: a sense of delicate and pretty and elegant, sometimes easy to loose lenses
4. on the choice of glasses frames material
Natural: shells, horns, bamboo, so as to hawksbill for good.
Non-metal: plate frame, plastic frame, nylon frame
Metal: Titanium is the best, followed by titanium, memory alloy, Model alloy, magnesium alloy, nickel alloy, zinc alloy, copper alloy, etc.).
5 the choice of quality glasses frames
Select the main frames to see and feel the look: elegant frames overall degree of smoothness, the resumption of spring, the mirror opening leg flexibility, screw tightness, solder process, whether the symmetric frame, whether the normative dimension, etc. to determine the mirror slightly better frame quality.
To sum up, while select the frames, you should know that there is a certain standard, follow these principles when select glasses frames, life often dizziness some people wear glasses to see things deformation, wear, etc. which may be uncomfortable with the glasses unreasonable choice of the aircraft.