Currently, the common types of box-type frames are full frame, half frame, no frame, multi-frame and folding frame. Box-type frame with different dominant feature of the lens is not the same.
1, the entire framework: It is now the most common type of a frame, characterized by solid, easy-to-shape, can cover part of the lens thickness, is the first choice for people with high myopia.
2, half-frame: with a very thin margin of nylon for the next frame, the lower edge of the lens with a special grinding, there is a narrow groove, the groove embedded in the nylon to form a bottomless box style, lightweight and chic, more solid, One of the most popular frame styles.
3, no framework: there is no such mirror ring frames, lenses, mirrors the foot bridge of the nose and connected directly by screw fastening, the general need to punch holes in the lens processing. No frame more lightweight, beautiful, and the eyes without shelter, for a variety of colors and shapes, but somewhat less intensity.
4, eyebrow frame: It is more popular nowadays the box type, frame similar to the half-frame glasses, only one half of box similar to the brow of the ring wire, a very fine nylon yarn for the next part of the frame edge.
5, the dual-use Frame: Also known as multi-functional frame, is good with myopia, but also the role of the sunglasses plus in myopia by magnetic mirror, and free pick wear, indoor and outdoor dual-use of a mirror, convenient, novel and unique, favored by consumers.
6, the folding frame: better protection of the lens, easy to wear, and light weight, small size, easy to carry and use, especially for the elderly.
In the selection process, in addition to personal preferences, but also special emphasis on optometric prescriptions degree parameters. In general, the same refractive index, the higher the degree, the thicker the lens, the lens on the frame functional requirements dominate correspondingly higher.
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