
Adjusting plastic frames can be tricky, but there are some simple at-home solutions to ensure your glasses are comfortable and secure. It is important to note that some glasses are made with materials that cannot be adjusted, such as titanium, memory plastic, and aluminum alloy. If your glasses are made from these materials, it may be best to seek professional advice or purchase a new pair. However, if your glasses are adjustable, you can start by checking for loose screws at the temple corners, which can be tightened with a small screwdriver. If your glasses are sliding down your nose, you can twist the earpieces inwards, but be sure to check the curvature of the earpieces first. If the earpieces are poking out, you can clip off the ends in small increments. To make any adjustments to the frame, you must first heat the plastic by running it under hot water or using a hairdryer, and then carefully bend the frame to your desired position.
| Characteristics | Values |
|---|---|
| Materials that can be adjusted | Plastic, stainless steel, or plastic/acetate temple arms with embedded stainless steel rods |
| Materials that resist adjustment | Titanium, memory titanium, memory plastic, aluminum alloy, TR |
| Adjustment techniques | Run under hot water or heat with a hair dryer for 15-60 seconds, then bend; adjust screws that attach arms with lenses; use pliers to compress movable joints; trim arms with clippers; pinch nose pads together or replace |
| Adjustment area | Earpieces, nose pads, temple arms, bridge |
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What You'll Learn

Heat earpieces with a hair dryer
If your glasses have plastic frames, you can adjust the earpieces by heating them with a hair dryer. This method is ideal if your glasses are sliding down your face. Before you start, make sure your hair dryer is set to a low heat setting to avoid melting the plastic.
Firstly, hold the hair dryer about 6 inches away from the earpiece and turn it on. Move it back and forth to ensure even heating. Heat the earpiece for 30 to 60 seconds. If you don't have a hair dryer, you can also run the earpiece under hot water for 15 to 25 seconds.
Once the plastic is pliable, carefully bend the earpiece closer to a 90-degree angle to tighten the fit. If the glasses are too tight and hurting the back of your ear, do the opposite and make the angle less than 90 degrees. Always try to preserve the natural curve behind your ear and avoid overcorrection.
You can also adjust the temple arms of your glasses by heating them with a hair dryer. If your glasses are pinching the sides of your head or ears, you should bend the earpiece upward. If your glasses are loose and slipping off your nose, adjust them by twisting the earpieces inward.
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$11.21

Bend the earpiece closer to a 90-degree angle
If your glasses' frames slide down your face, you can adjust the earpieces by bending them closer to a 90-degree angle. This will tighten the fit.
Before you make any adjustments, it's important to heat up the plastic frame. You can do this by running the earpiece under hot water for 30-60 seconds, or by using a hairdryer for the same amount of time. This will make the plastic pliable, allowing you to bend it without breaking.
Once the plastic is heated, carefully bend the earpiece closer to a 90-degree angle. You can use your fingers or thumbs to apply gentle pressure and adjust the angle. Make sure to preserve the natural curve behind your ear and avoid overcorrection.
If you find that your glasses are still too tight or too loose after adjusting the earpiece angle, you can try bending the temple arm. To do this, gently bend the temple arm down, either at the hinge or behind your ear. Remember to always work with heated plastic to avoid breakage.
By following these steps, you can adjust the earpieces on your plastic frames to achieve a comfortable and secure fit.
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Adjust the screws that attach the arms with the lenses
Adjusting the screws that attach the arms with the lenses can be done to resolve slippage. This is when your glasses are well-fitted but still slide down your face. You will need a very small screwdriver, which usually comes with standard eyewear repair and cleaning kits. Avoid over-tightening the screws to prevent damaging the metal or plastic that holds them in place.
If your glasses feel uneven on your face, you can use hot water to adjust the crooked frames. Soak the temple corner that looks or feels uneven in hot water for 30 seconds. Afterward, test the frames' temperature with your fingertip. Hold the glasses face-up with the lenses facing you. Place your thumb on top and your pointer finger below the heated temple corner. Adjust the temple up or down as needed. If the side you're adjusting sits too low on your face, gently bend the temple corner down by pushing down with your thumb and anchoring with your pointer finger.
If the left lens is closer to your face, gently pull the left temple arm in or push the right temple arm out. If the right lens is closer to your face, gently pull the right temple arm in or push the left temple arm out. Small adjustments are key to a precise fit. Avoid exerting too much force on the delicate nose pads to prevent breakage.
If you don't have a screwdriver, an alternative method to adjust the earpieces is to run the glasses under hot water for 15 to 25 seconds or heat them with a hair dryer for 30 to 60 seconds. This will make the arms pliable enough to be adjusted. You need to be cautious with hot water as plastic may snap when heated.
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Bend the temple arms
Bending the temple arms is a key method for adjusting your glasses to fit your face. Temple arms usually extend around and over the ears, holding the frame in the right position. If your glasses are sliding on your face, you can resolve this by adjusting the screws that attach the arms with the lenses. However, if you want to bend the temple arms, there are several steps you can follow.
Firstly, if your glasses are made of plastic, you should run the temple arms under hot water or heat them with a hairdryer for 30-60 seconds. This will make the plastic pliable and ready for bending. Make sure to keep the lenses out of the water to avoid damage. You can also immerse the temple ends in warm water for 20 seconds, softening the plastic or metal.
Once the plastic is heated, you can then adjust the temple arms. If the left lens is closer to your face, gently pull the left temple arm in or push the right temple arm out. If the right lens is closer to your face, gently pull the right temple arm in or push the left temple arm out. You can also use your thumb and index finger to grasp each nose pad gently and carefully wiggle each pad inwards until it sits securely against your nose.
If you want to tighten your glasses, bend the temple end down. If you want to loosen your glasses, bend the temple end up. You should feel the temple bend against your index finger. No need to push too far – all adjustments should be slight.
You can also use pliers to bend the temple arms gently. Make sure to use padded pliers to avoid damaging your glasses.
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Pinch the bridge inward
Pinching the bridge of a plastic frame inward is a simple way to adjust the earpieces and improve the overall fit of your glasses. This method can be used to address a range of issues, such as glasses that are sliding down your nose or feeling too loose.
To begin the process of pinching the bridge inward, you will need to apply heat to the plastic frame. This can be done in several ways. One common method is to use a hairdryer to gently heat the desired area. Alternatively, you can run the frames under hot tap water for 15 to 25 seconds, or soak them in warm water for 30 to 60 seconds. Heating the plastic makes it pliable, allowing you to mould it to the desired shape.
Once the plastic is heated, you can proceed to pinch the bridge area inward. Use your fingers or padded pliers to gently bend the bridge inward, being careful not to apply too much pressure as plastic can break easily. This inward pinching motion will reduce the width of the bridge, improving the grip on your nose and creating a tighter fit.
After shaping the bridge to your desired tension, it is important to set the new shape. To do this, simply cool the plastic by rinsing it with cold water. This will help retain the new shape and ensure that your adjustments last.
It is worth noting that while DIY adjustments are possible, they should be approached with caution. It is recommended to work in small, careful steps to avoid damaging your frames. If you are unsure or uncomfortable with making these adjustments yourself, it is always best to seek the help of a professional optician or eyewear specialist. They have the expertise and tools to adjust your glasses with precision, ensuring a comfortable and secure fit.
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Frequently asked questions
To adjust crooked plastic frames, run the frames under hot water or heat them with a hairdryer for 30-60 seconds. Then, carefully bend the frames at the pressure points to contour your face.
If your earpieces are too tight, heat the earpieces with a hairdryer and bend them to a lesser angle. Be careful not to overcorrect and preserve the natural curve behind your ear.
If your earpieces are too loose, heat the earpieces with a hairdryer and bend them to a greater angle. You can also twist the earpieces inwards to achieve a tighter fit.
































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