Check whether the lenses are glass or plastic before trying anything
Clean the glasses with mild dish soap and lukewarm water
Dry with a clean microfiber cloth
Try a small amount of non-abrasive toothpaste on the scratch
Rub gently in small circular motions for a few seconds
Rinse thoroughly and dry with a microfiber cloth
Try a baking soda and water paste on light scratches
Apply gently, then rinse and dry
Use a glass polish made for lenses if the lenses are glass
Follow the product instructions carefully
Use a scratch-removal kit designed for eyewear
Replace damaged lens coatings if the scratch is on the coating
Visit an optician for deep scratches
Replace the lenses if the scratches affect vision
Avoid abrasive cleaners, paper towels, and rough cloths
Avoid using these methods on anti-reflective or coated lenses unless the product says it is safe