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What’s important when cleaning your glasses to both protect the material and effectively remove traces of corona viruses?

Cleaning your glasses has always been important, even before Corona. With recent hygiene and safety standards, however, the topic has taken on new significance.

In this article, you will learn how to gently clean your glasses so that you can enjoy them for as long as possible and what to pay particular attention to with regard to Covid-19.

Corona viruses are transmitted by droplet infection, aerosols or by smear infection - this much we know at the moment. Transmission occurs either through direct contact with a sick person, through mini droplet clouds in the air, or through indirect contact via surfaces that we touch before we then handle our faces.

Your glasses are just some of the objects that you touch several times a day - often without realizing it. You handle them even more often if you don't wear them all day, but put them on and remove them repeatedly, such as with reading glasses or sunglasses.



With the advent of Corona, it is now more important than ever to remind yourself to clean your glasses frequently throughout the day - not just when they are dirty - but even more often than usual. Just as critical: clean the entire frame and not just the lenses. Regular cleaning of the temples and nose pads isn’t just useful for hygienic reasons. It also ensures a better fit as, with the removal of skin fat, the frames don’t slip as much.


The best way to carefully clean your glasses while protecting the material is to use a mild detergent. Rinse your glasses thoroughly under running, lukewarm water and then soap the entire frame with the detergent. The fat-dissolving substances in the agent remove both dirt and viruses, rendering them harmless. Then rinse off the detergent carefully under warm water and dry the glasses with a soft microfiber cloth to avoid scratches. Note that you should also wash the microfiber cloth regularly at a maximum of 40 degrees. Do not use fabric softener, as this can lead to streaks on the glasses.

Not recommended:

  • Don’t use alcohol-based substances, such as disinfectants, for cleaning glasses. These can permanently damage the frame material, especially that of plastic frames.
  • Cleaning of glasses with shirt sleeves, scarves or handkerchiefs may be practical, but in the long run it leads to micro scratches on your lenses. As a result, the glasses gradually wear out, the view deteriorates and you need new glasses faster than you would like.


The most effective and gentle method for cleansing your glasses thoroughly is to use an ultrasonic cleaning device. The glasses are placed for a few minutes into a tub within the device that’s filled with water and a few drops of grease solvent detergent. Cleaning happens via ultrasonic vibrators that pulse through the tub, agitating the liquid through sound pressure. With ultrasonic cleaning, tough residues in the tiny joints between lenses and the frame, on the nose pads and on the hinges are also removed. Dust and debris from sweat, skin sebum or make-up tend to accumulate at these points.

Most opticians offer ultrasonic cleaning as a service. Alternatively, you can get your own device for your home. Simple models are available online at a reasonable price. Since an ultrasonic cleaner is also excellent for sterilising jewellery and coins, for instance, the purchase is extra beneficial.


We wish you and your glasses a long and healthy life. Take care of both of you!