The safest place to buy colored contact lenses is from or reputable online retailers that require a valid prescription. In the United States, all contact lenses are classified by the FDA as medical devices , meaning it is illegal to sell them without a prescription, even if they are purely cosmetic ("plano") and do not correct vision. Where to Buy Safely
Never purchase colored contacts from sources that do not ask for a prescription, as they may sell unregulated or contaminated lenses: Decorative Contact Lenses for Halloween and More | FDA where can i buy colored contact lenses
: Visiting an optometrist or ophthalmologist ensures you get a professional fitting and a valid prescription tailored to your eye shape. The safest place to buy colored contact lenses