Tighten loose screws on the frame with a small eyeglass screwdriver
Replace missing screws with the correct size
Bend metal frames gently to realign them
Adjust plastic frames with warm water only if safe for the material
Straighten bent temples carefully
Reposition nose pads if they are uneven
Replace broken nose pads
Clean dirt and debris from hinges before tightening
Use clear adhesive only for a temporary fix on a cracked frame
Replace a broken temple tip
Replace damaged lenses through an optician
Use a glasses repair kit for minor fixes
Take the glasses to an optician for major damage