Seen above, the continuous recess within the rim of the frame front is what holds the edge of a lens in place. The angle of the cut is usually at 120° at a depth of about 1.5mm.

Using a process called riveting, sometimes called staking, the ends of the rivets are squashed, deformed and widened to squeeze the hinge onto the frame front or the temples. Insert the new nose pad in the same direction as the original, pushing the nose pad tab through the stem receiver. Line up the hole in the nose pad receiver the best you can, then re-tighten the screw. Push in nose pads From the material of frame which hinges are used on: there are hinges for wood eyeglass frames, hinges for plastic frames, hinges for titanium eyeglass,for hinges for combination frames,which has the plastic frame with metal temples, or metal front with acetate arms etc. Rubber Moulded nose pads are very similar to Push-in nose pads. There are many flavors of rubber moulded nose pads but most have a receiver on the frame that the rubber clips in to. You can firmly pull off the existing nose pad and push on the new nose pad on the same receivers. The biggest issues we find with rubber moulded nose pads is that there are so many designs on the market that are frame specific it's difficult to get replacements. Sunglasses are a must-have accessory for protecting our eyes from the sun’s harmful rays, but they can also be a hassle to put on and take off. Regular hinges can be stiff and difficult to maneuver, making it hard to find the perfect fit and risking damage to the glasses or the hinge itself. That’s where spring hinges come in. Spring hinges are a newer technology that provides a more natural and comfortable movement, making it easier to put on and take off your sunglasses while also reducing the risk of damage. In this post, we will discuss why investing in sunglasses with spring hinges is a smart decision for anyone looking for added comfort and durability in their sunglasses. What Are Spring Hinges and How Do They Differ From Regular Hinges?Adjustment may require a visit to the optician. If a pair of eyeglasses with standard hinges does not fit out of the box, your optician will have the proper tools and accessories to fit them correctly. Standard hinges are more affordable. Thanks to the uncomplicated design and wide use of the barrel hinge, eyeglasses that feature them are often more affordable. Standard Barrel Hinge Cons: On the temple half joint, the hinge body conceals a spring which allows the temple to extend beyond it's maximum range of motion. This makes the glasses frame more adaptable for more head sizes as it can "spring" wider than a traditional tenon hinge. Screw-In nose pads are installed by unscrewing the small screw(usually 1mm) in the nose stem just enough to release the old nose pad. Please don't completely remove the screw as they are hard to find if you drop them.

There are numerous styles of temple, but their main function is to keep your glasses secure when you’re wearing them. If your lenses are scratched, there two ways you can help to polish or blend them-out. These methods won’t remove the scratches entirely, but will help to reduce their visibility. *Note, these methods are for the lenses and not the frame. Standard hinges are also known as barrel hinges or tenon hinges and are the most common type of hinges used on most eyeglasses and sunglasses frames. To accommodate for different facial genetics, pad bridges are made to be more prominent for Asian eyewear markets. The pads tend to be much taller to make the frame more comfortable for wearers with a shallow nose. Using a hair dryer, carefully heat the frame on the side with the missing lens for around 30-60 seconds

What kind of machine is necessary for installing hinges?

This addition is made from acetate and acts like a tubular sheathe which envelopes the outer edge of the wire. The tubular, hollow acetate is very fine and has a split down its length to accommodate the frame.