
Plastic frames require more care when being adjusted to prevent breakage, as they lack the flexibility of metal frames and can crack easily. If your plastic frames are sitting lower on your nose than desired, it might be that the temples are too wide. If they’re sitting too high on your nose, it could be that the temples are too narrow. To adjust the temple width, you can heat the temples by immersing them in warm water for 20-30 seconds, or using a hairdryer, to soften the plastic, and then gently bend the temples inward or outward, applying even pressure. For plastic frames, you may also need to carefully press the bridge, avoiding excessive force to prevent breakage.
| Characteristics | Values |
|---|---|
| Fit | Should not be too tight or loose |
| Temples | Should sit comfortably behind the ears |
| Bridge | Should sit comfortably on the nose without pinching or leaving marks |
| Lenses | Should sit in front of the eyes |
| Adjustments | Can be adjusted with gentle, steady pressure or by immersing the temples in warm water |
| Nose pads | Should be adjusted for a comfortable fit |
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What You'll Learn

Plastic frames require more care to prevent breakage
Plastic eyeglass frames require more care than metal frames to prevent breakage, as they lack the flexibility of metal and can crack easily. If your plastic frames are sitting lower or higher on your nose than desired, it might be because the temples are too wide or too narrow, respectively. To adjust the fit, you can carefully press the bridge, avoiding excessive force to prevent breakage.
To prevent breakage, it is important to handle your glasses with care. Use a protective case when your glasses are not in use, and avoid placing them in your pocket or bag. Always use both hands when taking your glasses off, and avoid pulling them off by one arm. Do not wear your glasses on top of your head, as they may fall and break.
If your plastic frames do break, there are some home-based repair solutions you can try. One method is to use a strong adhesive, such as superglue, to glue the pieces back together. However, this can be risky as it can be extremely difficult to remove the glue if it gets on your lenses, and it may void any warranty. Another method involves drilling two parallel holes on either side of the break and wrapping a band of thread around the core joint for added strength.
In some cases, it may be easier and more affordable to order a new replacement frame. If you are unsure how to adjust or repair your glasses, it is best to consult a professional optician.
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Adjusting the temples of your glasses
Plastic frames require more care when being adjusted to prevent breakage, as they lack the flexibility of metal frames and can crack easily. Here are some tips for adjusting the temples of your glasses:
Adjusting the Temple Arms
The temples, or arms, of your glasses can be adjusted to keep them from sliding forward or feeling uncomfortable behind your ears. To start, you'll need your glasses, a bowl of hot tap water, and a towel. Place the bowl of hot water on a towel, then place one temple end into the water for 30 seconds to a minute. Make sure to keep the lenses out of the water to avoid damage. Carefully remove the temple from the water and test the temperature with your finger to make sure it's not too hot.
Next, hold the glasses face-up with the lenses facing you. Then, place your four fingers under the temple, with your index finger resting at the natural temple bend to support the frames. Use your right hand to slowly and gently push the temple end down. You should feel it bend against your index finger. No need to push too far—all adjustments should be slight. Repeat on the other side, ensuring that both sides look equal.
Place the glasses on a flat surface to let them cool, then put them on to test the fit. You can always adjust them again later if you find they're uneven. You can use this same method to loosen your glasses. After soaking the temple ends, use your fingers to gently push the temple end up instead of down. Adjust both sides, then test and repeat as needed.
Adjusting the Nose Pads
If your plastic frames are sitting lower or higher on your nose than desired, it might be that the temples are too wide or too narrow, respectively. You can carefully press the bridge, avoiding excessive force to prevent breakage. The bridge should sit comfortably without pinching or leaving marks. After adjusting, try on your glasses. If adjusting proves difficult, consider visiting an optician.
Tightening Screws
Before making any adjustments, check every screw, especially around the hinges, as loose screws can cause wobbling or slippage. Use a precision screwdriver to gently tighten each screw by turning it clockwise. Avoid over-tightening, which can damage the screws or frame. Once finished, gently shake your glasses to ensure everything is secure.
When to Seek Professional Help
While you can adjust your glasses at home, there are times when it is wiser and safer to leave the adjustments to professionals. If a screw falls out or an arm is detached, do not try to fix your glasses at home. Bring your glasses to an optician for expert fine-tuning.
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Nose pads can be adjusted for comfort
Nose pads are a key feature of glasses, placed near the nose bridge to ensure your glasses stay in the right spot and provide a comfortable wearing experience. Adjustable nose pads can be adjusted based on the glasses' fit. They are usually made of silicone, polyvinyl chloride (PVC), or polycarbonate.
Adjusting the nose pads can help you fix issues with your glasses, such as crooked frames or glasses that slide down your nose. If your glasses are sitting too low, bring the nose pads closer until they sit comfortably on your nose. If your glasses feel like they're pinching, push the nose pads apart until they feel comfortable.
To adjust the nose pads, you can use your fingers or nose pad pliers. If you're using your fingers, gently grab the nose pad with your thumb and index finger and adjust it until it feels comfortable. Make sure to only adjust one nose pad at a time and to do it slightly, as even moving the pad a few millimetres can make a big difference.
If you're using nose pad pliers, line the gap on the pliers up with where your frames connect to the nose pad and squeeze the handles together firmly. Nose pad pliers provide a better grip and a lower risk of damage.
If you're unsure about adjusting your nose pads, consider visiting an optician. They can help you adjust your glasses until they fit symmetrically and comfortably on your face.
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Glasses shouldn't be too tight or loose
Glasses that are too tight can leave marks on your nose, disrupt your vision, cause eye strain, and trigger headaches. They can also put pressure on your temples, making you feel like your head is in a vice. If your glasses are too tight, you might need to adjust them or get bigger frames.
If your glasses are too loose, they might slip off your face and ears. They might be too wide for your face, with the lenses extending too far past the sides. If your eyes look too close together, that’s another signal that your glasses might be too big.
If your glasses are too small, they might be uncomfortably tight against the sides of your head or on top of your ears. Your temples or the bridge of your nose might feel too much pressure from the glasses, and your eyes might be looking out of the outer sides of the lenses rather than the centre.
If your glasses are too loose, you can adjust the temple by running it under warm water for 20-30 seconds to soften the plastic or metal. Then, bend the end of the temple downwards, grasping it at the bend. If you need to loosen the temple, bend the end of the temple upwards. Ideally, the temples should bend at about 45 degrees, starting just behind your ear.
If your glasses are too tight, you can adjust the temple by running it under warm water and then bending the end of the temple upwards. You can also try adjusting the nose pads. If your glasses are still too tight after making these adjustments, you may need to get a larger pair of glasses.
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Metal frames are easier to adjust
Glasses should sit comfortably on your face without pinching or leaving marks. The bridge, or the part that sits on your nose, should fit well to prevent your glasses from sliding down. The frames and lenses should sit as close to your eyes as possible without touching your eyelashes.
Metal frames are typically easier to adjust than plastic frames due to the flexibility of the metal. Metal frames can be adjusted at home with a small screwdriver and pliers, without damaging the frame. Plastic frames, on the other hand, require more care to prevent breakage, as they can crack easily.
To adjust metal frames, start by tightening any loose screws on the temples and bridge with a small screwdriver. This may resolve minor fit issues. If the temples are too wide or narrow, gently bend them inward or outward, applying even pressure with your fingers or pliers to prevent sharp angles. Remember that small adjustments are most effective, so proceed with caution.
The nose pads on metal frames are also easy to adjust and can make a big difference in comfort. To raise the glasses, gently push the nose pad arms closer together with your thumb and forefinger. To lower the glasses, widen the pad arms so that the frame sits lower on your nose. If one nose pad feels off, hold it gently and bend it to match the height of the other, ensuring the glasses sit evenly.
If your temples feel too tight behind your ears, you can adjust the end of the temple by gently bending it outward. To tighten the fit, gently bend the temple inward so that it hugs the contour of your ear. Be cautious when adjusting metal frames, especially those made of titanium or other high-strength alloys, as applying too much pressure can snap the temple or damage the frame.
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Frequently asked questions
If your plastic frames are sitting too low on your nose, it might be because the temples are too wide. You can try to adjust this by using gentle, steady pressure to wrap the frames more tightly around your face. You can also try heating up the glasses temples by immersing them in warm water, then bending the ends of the temples downwards.
If your plastic frames are sitting too high on your nose, it might be because the temples are too narrow. You can try to adjust this by using gentle, steady pressure to pull the frames away from your face. You can also try heating up the glasses temples by immersing them in warm water, then bending the ends of the temples upwards.
Hold the frames firmly in your dominant hand and gently bend the higher side of the left temple straight downward toward the frame’s front until the frames sit straight and even on your face. You can also try heating up the glasses temples by immersing them in warm water, then holding the frames face-up with the lenses facing you. Place your thumbs on the underside, right at the curve, and push downward with your index fingers while your thumbs push upward.











































