Different Types of Optical Frames
1. Full Frame: It is a commonly used type of frame, characterized by solid, easy to shape, can hide part of the thickness of the lens.
2. Nylon Wire Frame: A very thin nylon wire for part of the frame edge, the lens by a special grinding system to flatten the lower edge, the lower edge of a narrow groove, so that the nylon wire embedded in the groove, forming a bottomless frame style, so the weight is very light, giving a sense of light and chic, but also more solid.
3. No Frame: This type of frame without mirror ring, only metal nose bridge and metal mirror feet, lens and nose bridge and mirror feet are directly connected by screws fastening, generally to punch holes in the lens. No frame than the ordinary frame is more lightweight, chic, but the strength is slightly worse.
4. Combination Frame: Two sets of lenses at the front frame, one of them can be turned up, usually for indoor and outdoor dual-use.
5. Folding Frame: Frame can be folded into four folds or six folds, mostly for reading glasses.
6. Half Frame: Half frame is a very thin nylon wire for part of the frame edge, the lens by special grinding system to grind its lower edge flat, the lower edge of a narrow groove, so that the nylon wire embedded in the groove, forming a bottomless frame style, characterized by light weight, giving a sense of light and chic, but also more solid.
7. Eyebrow Line Frame: Eyebrow frame and half frame frame similar, the upper half of the frame only a similar eyebrow circle wire, with a very thin nylon wire for the lower part of the frame edge, the style is more fashionable.