The best method I’ve found so far: 1. Get your glasses wet with warm water. 2. Apply dish soap to both lenses. 3. Gently rub the soapy water over the lenses. For some stubborn things (like sunscreen) in the edges I sometimes gently use a Q-tip. 4. Rinse under warm water. Gently rub with your fingers to agitate the soapy water and help rinse it off. 5. (This is the important step) Adjust the faucet’s flow to a low lam…
I use similar method, except: - Do not apply soap to the lenses. Soap is too thick. Apply it to your fingers and rub between fingers to dilute with a bit of water before applying to glasses. - Use your fingertips as abrasive. Soap is there to dissolve any fats but your fingertips (if clean) are best material to remove anything from your glasses without scratching the surface. - Few faucets give good laminar flow. I j…
Other methods introduce too much unnecessary complication which don't make the lenses cleaner. Any kind of absorbent material has the potential of depositing tiny fibers or other specs on the lens surface. And air drying potentially leaves behind impurities the from water.