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How To Tighten Persol Sunglasses 

 July 15, 2023

By  Diane Wuthrich

Persol is a luxury sunglass brand that makes all their models in Italy. Because of the high price tag, repair and alteration can be costly which is why it’s wise to do minor repairs on your own. But how do you tighten them on your own?

Adjusting Persol sunglasses to fit you correctly is simple with a basic sunglass repair kit. Tighten the screws on the hinges gently until it has achieved the proper fit. If the arms are too wide, loosen the screw and pull the arms inward then tighten the screw clockwise until it fits properly.

There are other things to know about tightening Persol sunglasses. Read on below to learn more.

How To Tighten Persol Sunglasses

Persol sunglasses are made using a standard fit frame, which can be too loose for many face types. Altering these luxury sunglasses can rack up quite a bill, but the good news is that you can do it yourself to save money just with a few inexpensive tools and simple techniques.

How To Tighten Persol Sunglasses With Loose Arms

What You’ll Need:

A basic sunglass repair kit that is complete with screws will come a long way in ensuring that your Persol sunglasses always fit correct. Below are some recommendations form Amazon (note: we take a small commission if you decide to purchase these kits; it goes into helping maintain this site):

-   A sunglass repair kit that’s complete with screws and screwdrivers; the parts should also match the color of your frames or the original screw colors:

Process:

It’s common to receive a pair of sunglasses where the arms are too loose, causing it to fall off your head. Here’s how you can tighten them:

  1. Apply gentle pressure on the corner part of the frames between the lens and the hinges, giving it a slight inward bend, making sure not to break it.
  2. Repeat on the other side.
  3. Give it a fit, and if it’s still too loose, continue adjusting until it fits correctly.
  4. If this doesn’t work, use an aptly-sized screwdriver from the repair kit and tighten the screw clockwise to make it more comfortable.
  5. If the screws are falling out, it’s time to replace them by removing the screw completely with the screwdriver.
  6. Take a new screw, and place it inside the hole once the eyeglass frames and arms are aligned.
  7. Tighten it with a screwdriver to secure it, but be careful not to make it too tight.
  8. Try the sunglasses on to see if it fits properly. Adjust the screws again until it fits properly.
  9. Place the sunglasses on a flat surface to check if they are straight after tightening.

How To Tighten Persol Acetate Sunglass Arms in Your Temple

Oftentimes, the sunglass hinges fit properly around your eyes though the arms are too loose on your temple or on the sides of your head. There’s a quick fix for this using items you already have at home, though this should only be used on Persol sunglass arms that are made from pure acetate. Don’t use this technique with models made from other materials as it can be hard to predict how they will react with heat.

What You’ll Need:

-   A wide bowl of hot water; the water should be hot enough that it has steam coming off it but it should not be boiling. This will help loosen the acetate arms for adjusting.

Process:

  1. Dip one arm at a time into the bowl of water for 5-10 seconds. Be careful not to submerge the lenses and only the arms.
  2. The heat exposure will make the acetate pliable enough for adjusting.
  3. Use your hand to carefully bend the arm inward until they fit properly.
  4. Repeat on the other side if necessary.
  5. Try your sunglasses on, and continue readjustment if needed.

Note: If your Persol sunglasses are rimless or semi-rimless, don’t use your hands to adjust them because it could easily break them. Use the sunglass repair kit instead to tighten the screws.

Conclusion

Persol sunglasses are an investment, though it doesn’t have to cost you too much to tighten them. Basic adjustments can be done at home with these steps in mind to ensure you get a proper fit.

About the author

Diane is our head writer and researcher for our sunglass informational content.

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