Cosmetic lenses are frequently marketed as standard fashion accessories, but medical regulatory agencies classify them strictly as medical devices. In the United States, selling decorative lenses without verifying a valid prescription from an eye care professional violates federal regulations enforced by the FDA and FTC.
Prescription colored lenses are available through TTDeye, ranging from 0.00 (plano) down to -8.00 diopters, accommodating common myopia. However, the direct-to-consumer fulfillment pipeline frequently circumvents formal prescription verification steps standard among domestic optical retailers.
Adhering to strict contact lens safety guidelines is non-negotiable:
- Never store lenses in plain tap water or expired saline; use dedicated multi-purpose disinfecting solutions.
- Discard storage cases every 30 to 60 days to eliminate biofilm breeding grounds.
- Never sleep in colored hydrogel contacts. Overnight hypoxic stress significantly multiplies the risk of ulcerative keratitis.
- Remove lenses immediately if pain, excessive tearing, light sensitivity, or redness develops.