Glasses Hinge Types

The hinges on a pair of glasses may seem like a small detail, but they play a crucial role in the functionality and durability of eyewear. These tiny mechanisms allow the temples (arms) of the glasses to fold inward, making them more portable and easier to store when not in use. Hinges also contribute to the overall comfort and fit of the glasses, as they determine how smoothly the temples can open and close. Most glasses hinges fall under three main types. Learn what makes them different from one another, and the benefits of each.

Standard/Barrel Hinges

Barrel hinges are the most common type of hinge. This hinge consists of many interlocking ‘loops’ that are stabilized with a small screw. The standard/barrel hinge is highly durable and easy to repair—a perennial favorite.

Spring Hinges

Another popular choice for glasses are spring hinges. These hinges can extend past the standard 90° and press a little more on the temples. Spring hinges are great for those who live active lifestyles because of this “snug” fit. However, repairing these hinges is not for the faint of heart. Specialty tools are usually required.

180° Hinges

This is a type of spring hinge that offers even more mobility. Since the temples can bend a full 180 degrees without the fear of breaking, they are a great option for kids’ frames. Glasses with 180 degree hinges are also beneficial for adults who want the extra comfort and flexibility—making them popular for oversized frames.