These Halloween Contacts Can Cause Eye Infections

Fun Looks, Serious Risks
Those fiery skull or cat-eye contacts might make your Halloween costume pop—but they could also land you in the emergency room. Health experts warn that non-prescription costume contacts, often sold in novelty or beauty stores, can cause serious eye injuries and infections. The American Academy of Ophthalmology (AAO) notes that these lenses are illegal to sell without a prescription in the U.S., yet they’re widely available online.

Why They’re Dangerous
Unlike prescription lenses that are fitted by an eye doctor, cheap Halloween contacts are one-size-fits-all—meaning they rarely fit correctly. Poorly fitted lenses can scratch the cornea, cause ulcers, or introduce bacteria leading to infections like keratitis, which can result in permanent vision loss. The FDA once found bacterial contamination in more than a quarter of costume contacts tested.

What to Watch For
If you experience redness, pain, swelling, or discharge after wearing costume contacts, experts urge immediate medical attention. Eyes are particularly vulnerable to infections that can worsen quickly.

How to Stay Safe
If you want to wear colored or decorative lenses, always get a prescription first. Federal law requires sellers to verify your prescription before selling contact lenses—even cosmetic ones. Legitimate retailers like Lens.com and Discount Contacts offer prescription-based options that are both safe and fun. And remember the basics: wash your hands before handling lenses, never share them, and don’t sleep or swim with them in.

Bottom line: When it comes to your vision, skip the shortcuts. A good scare shouldn’t come from an eye infection.