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- The best way to clean your eyeglass lenses is to wash them with dish soap under running water and then wipe them with a soft cloth.
- Plastic lenses are easily scratched, so be careful not to wipe them when they are dry or with rough materials.
- Oil from hands or cosmetics can reduce the effectiveness of lenses, so it's important to clean and maintain them daily.
Simple Solution - Dish Soap
While countless products claim to clean lenses, the American Optometric Association recommends the simplest solution: dish soap. Dr. Geist advises, "The best way is to hold the glasses under warm running water, then rub a drop of dish soap onto the lenses with your fingertips to create a lather, rinse with water, and dry with a clean, soft cloth made of cotton."
"Wiping your lenses with a dusty shirt collar is a bad habit. It can scratch the lenses."
Glass vs. Plastic Lenses
The majority of Americans who purchased prescription glasses last year opted for plastic lenses. Concerns about safety have diminished the popularity of glass lenses. Unlike glass lenses, softer plastic lenses are susceptible to scratches.
"Once a scratch appears, there's no way to remove it," says Dr. Geist. Wiping your glasses when they are dry is also a bad habit. This is because a dry surface is rougher than a wet surface.
While it's acceptable to wipe lenses with a microfiber cloth during the day when they're dry, it cannot replace a thorough cleaning. Steaming the lenses before wiping them is also insufficient. Dr. Geist adds, "Some people steam their lenses and then wipe them with tissues, paper towels, or napkins, but these are made of rough materials and can leave residue."
Things to Consider
Most lenses have a protective coating, so they should not be exposed to ammonia, bleach, vinegar, or glass cleaners. Dr. Geist warns, "These chemicals can weaken or strip the coating. Bubbles on the lenses are caused by the cleaning solution."
The effectiveness of the lenses can be reduced over time due to the accumulation of oil from hands, eyebrows, and facial secretions. The habit of placing glasses on a vanity or washbasin where perfume and hairspray components are floating also has the side effect of increasing foreign substances that adhere to the lenses. The American Optometric Association recommends washing the glasses every morning, paying attention to the earpieces and frames, where hair products and cosmetics tend to adhere.