An important challenge when wearing glasses and a mask is to maintain visibility, preventing the glasses from fogging up since visibility is considerably reduced and there is a risk of having an accident if, for example, you are crossing a street or walking through dark places. .
On exhalation, the warm breath rises and collides with the glass, which is at a cooler temperature, causing moisture condensation and the glass misting. Considering that taking off your glasses to clean them and putting them back can expose you to a risk of infection, Science Alert has collected some expert advice to be able to wear glasses and a mask at the same time without it being a problem.
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soap and water: Wash the lenses with soap and water and then dry them with a microfiber cloth to avoid scratches. Soap reduces surface tensionand that prevents the mist from sticking to the crystals, as explained by the College of Surgeons of England.
Shaving foam: Apply a thin layer of shaving foam to the inside of the lenses, then gently wipe it off with a microfiber cloth. what remains in the crystals in a residual way will prevent them from fogging up.
anti-fog spray: there are several products on the market that are special to prevent glasses from fogging up, although you have to make sure that are compatible with the type of lenses you wearhence it is always recommended to buy it at an optician.
Avoid gaps in surgical masks: The key is to mold and fit the surgical mask as close to the bridge of the nose as possible to close the space which is on the upper part of the face. This will prevent the passage of hot air from the exhalation to the lenses.
special adhesive tape: Some health professionals use a strip of adhesive tape specially designed for use on the skin on the top edge of the mask to close that part well and prevent air from going into the glasses. You can buy this item at pharmacies. This doctor shows how:
wet cloth: you should put a handkerchief or a piece of damp cloth under the upper edge of the mask. It has the same effect prevents the exhalation from fogging the crystals.
Here is an explanatory video: