: Many sites like LensDirect or Warby Parker allow you to upload a scan or photo of your prescription.
The FDA and FTC warn against buying lenses from unauthorized vendors such as: Decorative Contact Lenses for Halloween and More - FDA where can i buy over the counter contact lenses
: Contacts are Class II or III medical devices because they sit directly on the cornea. : Many sites like LensDirect or Warby Parker
: A professional fitting ensures the lens allows enough oxygen to reach the eye. Where You Can Buy Lenses (With a Prescription) where can i buy over the counter contact lenses
: Most optometrists and ophthalmologists sell the lenses they prescribe. Warning Against "Illegal" Sellers
Once you have a valid prescription from an eye doctor, you are free to shop at various licensed retailers: