| The history of glasses can be dated back to | | | | because of their special functionality, they can also |
| thousands of years ago. In particular, the history | | | | be made in fashionable designs. Especially, those |
| of glasses used as magnifying devices is over | | | | trendy designs are suitable for vogue people. For |
| four thousands. And now, these magnifiers are still | | | | example, the handle can be made from different |
| widely used among people who have weak vision | | | | materials, so as to meet user's different individual |
| and who want to see objects in a larger image. | | | | needs. Some people love wooden handles; others |
| Therefore, magnifying glasses can still play very | | | | like plastic hands; some others love handles made |
| important role in people's daily lives, no matter | | | | from other materials. In addition, the colors of the |
| what they are used for. | | | | handles and frames can tined in different colors. |
| Magnifiers are usually made in this design- hand | | | | Black is most traditional and widely used color on |
| lenses. This is the major and commonest form of | | | | them. However, other colors can also be used to |
| these glasses. This design can really bring wearers | | | | brush the handles and frames of these glasses |
| a lot of convenience when they want to see | | | | according to users' personal needs. For example, |
| something minor- people just need to move the | | | | magnifying glasses, with handles tinted in red, |
| glasses with hands between eyes and what they | | | | green, and other eye-catching colors, are |
| want to see, so as to find an accurate and | | | | especially ideal options for female users. |
| balanced distance for clearer vision. Of course, | | | | Compared with other glasses, magnifying glasses |
| these magnifying devices can also be designed in | | | | are very cheap and can be afforded by almost all |
| other forms, like "jeweler's loop", though rare, | | | | people. On the one hand, these glasses are just |
| according to user's needs and personal situations. | | | | suitable for temporary use when needed. This |
| Different magnifying glasses have different | | | | distinguishes them from other glasses, which are |
| magnifying power. Magnifying power is one of the | | | | usually for daily use. On the other hand, it will cost |
| most index to decide to what extent cant these | | | | little to produce these magnifying devices- the |
| lens work or magnify the imagine. Usually, the | | | | cost to make them is very low; neither any |
| larger the power is, the greater the imagines will | | | | personal prescription nor any complicated testing |
| be. | | | | procedures is needed. Therefore, each of them |
| Though these magnifying devices are used, mainly | | | | can be purchased at several dollars. |