If you wear glasses and are considering switching to contact lenses, you might wonder: Can you use the same prescription for both? The short answer is no—contact lens prescriptions differ from glasses prescriptions, even though they both aim to correct your vision. That’s because contact lenses sit directly on your eyes, while glasses rest at a distance. The physical difference affects how light enters your eye, changing the prescription values needed for sharp, comfortable vision. Understanding why these prescriptions differ can help you make confident…


