Wash lenses daily with a mild soap and warm water to remove dirt and oil and avoiding build-up on spectacles.
Dry lenses with a lens cloth or nonabrasive cotton.
Avoid using paper towels or camera lens paper
Use a professional lens-cleaning cloth and to remove fingerprints, dirt build-up and smudges.
Hold spectacles in the palm of your hand supporting the eye frame with your thumb and forefinger of one hand. Use the other hand to gently buff the lenses in a circular motion whilst not pressing too hard on the lenses.
Wash the cleaning cloth weekly with a mild, nonabrasive soap. Avoid using fabric softener when drying the cloth.