How To Repair Crazing On Glass

What is crazing on my eyeglass lenses?

crazing on eyeglasses under the sun

What is crazing of your eyeglasses lenses and what can you exercise about it?

Crazing is a spider web of tiny cracks that tin appear on the lenses of eyeglasses coated with an anti-reflective blanket. Looking through crazed lenses tin make your globe appear blurry.

In that location are many benefits to getting anti-reflective coating (too called AR or "anti-glare") on your eyeglasses. This type of coating tin can eliminate reflections, reduce eye strain and fifty-fifty make your glasses wait nicer.

Just if you get AR blanket, yous'll need to take special care to avoid crazing.

SHOPPING FOR Glasses? Find an optical store most you lot or online. When y'all are selecting lenses, bank check to see if the warranty covers crazing.

What causes crazing on lenses?

Crazing tin be acquired by improper awarding of anti-reflective coating when eyeglasses are made in the lab. Crazing, or lens cloudiness that resembles crazing, also can be caused by:

Cleaning your glasses with rubbing alcohol, window cleaner or another harsh household cleaner
Farthermost hot or cold weather that can cause the AR coating and the lenses to expand and contract
Wearing glasses while doing "hot" activities such as grilling, disposed a campfire or welding

Crazing may suddenly appear on your lenses with no obvious cause. In these cases, the crazing may be related to a workmanship defect.

Can Transitions lenses get crazing?

Transitions and other brands of photochromic lenses can get crazing if they are coated with anti-reflective coating.

Crazing on Transitions lenses is often caused past exposure to heat.

How can rut damage eyeglass lenses?

High heat can harm eyeglass lenses in several means. Heat can crusade the anti-reflective coating and the lenses to expand at dissimilar rates. This creates crazing, a web of fine cracks that appear on the lenses. Oestrus also tin can damage glasses by:

Softening and warping plastic frames
Warping eyeglass lenses
Damaging the film on polarized sunglasses

So, how tin you avoid heat damage?

Never exit your glasses in a hot machine, and avoid wearing your glasses near farthermost oestrus.

You lot also may want to talk with your optician about crazing if they plan to use a frame warmer to arrange your glasses to fit your face. Frame warmers can cause crazing on coated lenses.

How to prevent crazing on eyeglasses

You tin can forbid crazing and surface scratching by taking proper care of your spectacles.

When your glasses get dirty, rinse them with lukewarm tap water to remove dirt and debris. Then make clean your spectacles the right fashion.

How to properly clean your spectacles: Y'all can use lotion-free dish soap and a clean, lint-free cotton towel, or use a lens spray made specifically for cleaning eyeglasses.

Also avert exposing your glasses to extreme hot or cold temperatures.

How tin can I fix crazed lenses?

Information technology may be possible to remove crazing from eyeglasses by stripping the anti-reflective coating from the lenses.

Some eye care professionals and optical laboratories accept admission to stripping solutions that can be used for this purpose, but the results can vary based on the type of lens and coating used.

For example, it may not be possible to strip AR coating from polycarbonate or high-alphabetize lenses.

Some spectacles wearers plough to DIY solutions, including vinegar and glass-etching compounds that tin be purchased at arts and crafts stores.

Since DIY results may vary, and information technology'south your eyes and vision that are at stake, crazing repair is best left to professionals. Check offset to see if your lenses are covered under warranty.

Is crazing on glasses covered under warranty?

Most prescription eyeglasses come with a one- or two-year manufacturer's warranty. Some warranties specifically cover crazing caused past a manufacturing defect, which will likely show up within the kickoff six months of daily article of clothing.

This means that your warranty may not embrace crazing that was caused past, for example, leaving glasses in a hot car. Be aware that some retailers may accuse you a warranty fee to set up or supersede your crazed lenses.

How can you spot crazing?

If you lot suddenly notice you don't see besides out of your relatively new glasses, crazing may be to arraign.

If you spot that telltale web of hairline cracks, contact the eye doctor or optical shop where you purchased the glasses to find a solution that will get you seeing clearly over again.

THINK CRAZING MAY Exist TO Arraign FOR Bug WITH YOUR Spectacles? Find an optical store well-nigh you or online. Ameliorate yet, contact the optical store or online retailer where you lot purchased your glasses.

Page published in January 2022

Page updated in March 2022