# Glasses hinge
In this video, you will learn about the hinges of Glasses and their different types. As you may know the glasses hinges are mechanical components that attach the two halves or arms of eyeglasses or frames enabling them to open and close. There are different designs of hinges, including barrel hinges (standard hinge), spring hinges, 180 degree hinge or no hinge etc. Each offering different specifications ,functionalities and durability. The most common type is the barrel hinge. The most popular one is the spring hinge. Both allow smooth movement & greater flexibility of temples. The choice of hinge design depends on the frame style, material, and intended use.
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