To protect your eyesight without glasses, focus on a healthy lifestyle, including a balanced diet rich in fruits and vegetables, regular eye exams, quitting smoking, and using safety eyewear when necessary.

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 Smoking significantly increases the risk of age-related macular degeneration and other eye diseases, so quitting is crucial for protecting your vision.

Even if you don't wear glasses, annual eye exams are essential for detecting early signs of eye diseases that may not have noticeable symptoms.