The Knowledges of Glasses

Medicine is better than conventional optometry optometry, optometry by medical wear glasses or contact lenses after the person, does not occur, as the fatigue, the brightness of myopia state more stable, slow or stop development. The routine does not consider optometry as other aspects of visual function, namely, binocular Oakley Sunglasses vision, stereopsis and other factors, as is prone to fatigue, even myopia (to focus effect).

Lasik surgery after medical optometry, the undercorrection after overcorrection will be greatly reduced, and may reduce postoperative visual fatigue. Computer terminals will be the incidence of eye disease greatly reduced.Select frames
Although many frame styles, dazzling, but a careful analysis, no more than three basic types, square, round, oval. Vary due to face the general oval face of the people, all types are suitable, square or round face the best choice for pear-shaped frame (highlighted vertical line), triangular face is usually round or oval frames selected wear.

Medicine is better than conventional optometry optometry, optometry by medical wear glasses or contact lenses after the person, does not occur, as the fatigue, the brightness of myopia state more stable, slow or stop development. The routine does not consider optometry as other aspects of visual function, namely, binocular vision, stereopsis and other factors, as is prone to fatigue, even myopia (to focus effect).

Lasik surgery after medical optometry, the undercorrection after overcorrection will be greatly reduced, and may reduce postoperative visual fatigue. Computer terminals will be the incidence of eye disease greatly reduced.
wholesale Oakley Sunglasses
Select frames

Although many frame styles, dazzling, but a careful analysis, no more than three basic types, square, round, oval. Vary due to face the general oval face of the people, all types are suitable, square or round face the best choice for pear-shaped frame (highlighted vertical line), triangular face is usually round or oval frames selected wear.

Frame type

Frame according to different combinations of materials and processing system can be divided into:
 
Children's glasses, the general choice of resin lenses (light, safe, easy to break), but easy to scratch the surface, so the best in Canadian dura Ray Ban Sunglasses  resin lenses. In the selection frame, generally choose the right face of the child, safe, light, durable frame (usually in the high plate-type frame), and the length of the mounting bracket should be noted that, in order to increase frame stability, the general good of children moving, so are accompanied by the chain, hanging around her neck.

1. Plastic frame: characterized by light, easy to process, at room temperature deformation, the price is generally lower.

2. Metal frame: characterized by strong, light and beautiful, is the most commonly used frames.

3. Mixed frame (plate): a blend of metal and plastic, that is rugged metal frame, and easily processed into a variety of shapes.

4. Drawing frame: a bottomless box with a nylon cord embedded in the bottom of the lens.

5. No Frame: No frame, only the bridge of the nose and the mirror angle coupled with higher Ya.

How to choose lenses

Currently used by the lens material is divided into:

1. Glass Lens: Refractive index stability, wear resistance, and optical properties of stable, relatively heavy, easily broken.

2. Resin lenses (CR-39): light, safe, high transmittance and difficult to break, but the surface is easy to draw wear.

3.PC lens: high refractive index, strong, but easy to wear.Choice should be based on the GUCCI Sunglasses needs of individual lenses.




Par airmaxshoes le jeudi 20 janvier 2011

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