Most people who wear glasses have probably had a screw pop out of them from time to time. These screws hold the part of the frame that keeps the lens in place shut, but when the screw pops out it usually causes the lens to fall out, too. This can be a bit of a nuisance if it happens once, but what if it keeps happening over and over again? Here are some potential answers to your question.
One of the more common problems that can cause this is that the screw that's in your glasses may be stripped. If your vision is good enough for it, the next time the screw comes out, take a close look at it. If it's missing those trademark grooves on the side or the grooves look flattened, it's likely that the screw has become stripped.
If a screw is stripped, it won't work as well as it used to it and will frequently fall out as a result. In this instance, a new screw is needed.
Another possibility is that the hinge on your glasses is simply too tight. The hinge that controls the folding of the earpieces of your glasses, when overly tight, can pull on the joint that holds the screw. This can cause the frames of the glasses to warp over time and may make even a new, non-stripped screw not work properly. The biggest problem here is if the hinge isn't repaired, the frames themselves can eventually break under the strain.
What to Do
The best thing you can do is to bring your glasses in for optician repairs. Your optician will be able to quickly determine what the problem with your frames are and may be able to repair it themselves. If not, they can send them to a shop to be repaired for you. This is considerably less expensive than buying a brand new pair of glasses, so it's a better and more ecologically friendly choice when you can manage it.
Having a screw fall out of your glasses on occasion isn't a big deal, but if it's happening regularly to you, it means that there's something wrong with either the frames or the screw itself. It's best to get them examined before your glasses break entirely. If you haven't done so yet, make an appointment to see an optician like Southern Colorado Eye Care Associates about having your glasses repaired.