Where — Can I Buy Contact Lenses Without A Valid Prescription

: Eyes vary in curvature and size; a "one-size-fits-all" lens can cause painful corneal abrasions or ulcers.

Legitimate retailers will always ask to verify your prescription with your eye doctor. If a seller does not require this, they are operating illegally and may be providing unsafe, contaminated, or counterfeit products. Contact Lens Rule | Federal Trade Commission where can i buy contact lenses without a valid prescription

: Because they sit directly on the cornea, contacts must be fitted by a professional to allow proper oxygen flow to the eye. : Eyes vary in curvature and size; a

In the United States, it is to purchase any type of contact lenses—including decorative or colored lenses with no vision correction—without a valid prescription . All contact lenses are classified as medical devices by the FDA and require professional fitting and oversight to ensure they do not cause permanent eye damage. Why a Prescription is Required Contact Lens Rule | Federal Trade Commission :