Question: To keep glasses from steaming up.
Option 0: A little bit of daily maintenance will keep your glasses from steaming up. Wash your spectacles daily with soap and polish the lenses thoroughly. The soap will leave an invisible film which will stop condensation.
Option 1: A little bit of daily maintenance will keep your glasses from steaming up. Wash your spectacles daily with oil and polish the lenses thoroughly. The soap will leave an invisible film which will stop condensation.
Answer: 0