How To · Fashion · Accessories
Keep your sunglasses actually wearable
A few deliberate routines—cleaning, storage, and minor repairs—extend the life of any pair. Here's exactly what to do, and when.
5 min read · IrisSunglasses aren't disposable. Whether you own a $40 pair or a $400 pair, the maintenance is identical—and it takes almost no time. The difference between glasses that last three seasons and those that last ten comes down to three habits: how you clean them, where you store them, and when you address small damage before it becomes permanent.
This guide covers the practical routines that actually work. No special products required. Just intention and consistency.
Scratches on lenses are permanent. Prevention is the only real strategy.
What you'll need.
- 01Microfiber cloth
- 02Hard case
- 03Precision screwdriver
- 04Replacement screws (optional)
- 05Soft toothbrush or cleaning brush
- 06Lukewarm water
Step one · 2 minutes
Clean with the right cloth, the right way
Use only the microfiber cloth that came with your glasses—or buy one designed for eyewear. Rinse the lenses under lukewarm running water first to remove dust and debris. Gently wipe with the cloth using circular motions, never pressing hard. Dry with the cloth or let air-dry. Never use your shirt, paper towels, or tissues; these scratch lenses instantly.
Keep your microfiber cloth in a small pouch or zippered pocket so it's always accessible. A cloth that's dirty defeats the purpose.
Step two · 1 minute
Store them in a hard case, always
When you're not wearing your sunglasses, they belong in a hard case. Not on your head, not in your bag loose, not on the dashboard. A hard case protects against pressure, heat, and accidental crushing. Soft cases offer almost no protection. If your glasses didn't come with a case, buy one that fits—it's the single best investment you can make.
Keep the case in a cool, dry place. Extreme heat can warp frames and degrade lens coatings over time.
Step three · 3 minutes
Address loose screws and hinges immediately
Check your frames monthly by gently flexing the arms and looking for movement at the hinges. If you feel looseness, locate the tiny screw (usually at the hinge) and tighten it with a precision screwdriver. Most eyewear comes with a small screwdriver in the case. Tighten gently—you don't need force. If a screw is missing, replace it with one from a glasses repair kit (available at drugstores for under $10).
Loose screws lead to bent frames, which lead to poor fit and eventual breakage. Catch this early.
Step four · 2 minutes
Clean the hinges and nose pads
Dust and sweat accumulate in hinges and under nose pads. Use a soft toothbrush (not the one you use for teeth) or a small cleaning brush to gently brush around these areas. Dampen the brush slightly with water if needed. This prevents buildup that can cause corrosion or discomfort. Do this monthly.
If nose pads are yellowed or hardened, they can usually be replaced. Many opticians will do this for free or a small fee.
Step five · 1 minute
Avoid heat and pressure
Never leave sunglasses on a hot dashboard, in a closed car, or near direct heat sources. Heat warps plastic frames and can damage lens coatings. Don't sit on them, lean on them, or store heavy items on top of them. These seem obvious, but pressure damage accounts for most premature frame failure.
If you accidentally warp frames slightly, some opticians can heat and reshape them. But this isn't guaranteed, so prevention is essential.
Step six · 1 minute
Know when to seek professional help
If lenses are scratched, coatings are peeling, or frames are bent beyond your ability to repair, take them to an optician. Many scratches can't be fixed, but an optician can assess whether replacement lenses are worth the cost. Bent frames can sometimes be reshaped. Don't attempt major repairs yourself—you'll likely make it worse.
Professional lens replacement is often cheaper than you'd expect, especially compared to buying new frames.
How to know your routine is working
Well-maintained sunglasses should feel secure, look clear, and show no visible damage after months of regular wear. Your frames stay straight, your lenses stay scratch-free, and you're not replacing them every year.
Questions at the mirror.
Can I remove scratches from lenses?
No. Scratches are permanent damage to the lens material or coating. Some products claim to fill or reduce their appearance, but they don't actually remove them. Prevention through proper cleaning and storage is your only real strategy.
What if my microfiber cloth is dirty?
Wash it in lukewarm water with mild soap, then air-dry. A dirty cloth will scratch lenses faster than no cloth at all. Keep it clean or replace it.
Are soft cases okay for travel?
Not really. Soft cases offer minimal protection against crushing or pressure. Use a hard case for any travel, even short trips. The extra ounce is worth it.
Can I use lens cleaner spray?
It's not necessary and can sometimes leave residue. Lukewarm water and a microfiber cloth are sufficient for daily cleaning. If you do use spray, follow it with the cloth immediately.