I believed at least three of these myths before I started wearing colored contacts.
One of them almost cost me an eye infection. Another one persuaded me to buy lenses that looked nothing like the photo. The third one made me think colored contacts were somehow more dangerous than regular contacts, which they are not.
Here are the most persistent myths about colored contacts, what the evidence actually says, and where people get into trouble because they believe the wrong thing.
Myth 1: You do not need a prescription for plano colored contacts
This is the most common misconception and the most dangerous one. In the United States, the FDA classifies all contact lenses — colored, clear, prescription, plano — as Class II medical devices. You legally need a prescription regardless of whether the lenses correct your vision. No exceptions.
The prescription is not about vision correction. It confirms that a professional has measured your eye, checked for conditions that would make contact lens wear unsafe, and fitted the lens to your specific base curve. Skipping this step means putting a medical device on your eye that may not fit, may be made of unknown materials, and may cause damage that an exam would have prevented.
Any website that sells colored contacts without verifying or requesting a prescription is operating outside FDA regulations. This is not a loophole to exploit. It is a warning sign to avoid. Read more about prescription requirements.
Myth 2: Colored contacts are more dangerous than regular contacts
This myth persists because most news stories about contact lens infections happen to involve colored lenses bought from unregulated sources. The dangerous part is not the color. It is the unregulated source. A colored contact lens manufactured with sealed-in pigment, HEMA+NVP hydrogel at 38% water content, and FDA-registered quality controls is exactly as safe as a clear prescription lens made with the same materials and standards.
Our Berry Series, Earl Series, and all Yilala lenses use the same base material, same water content, and same sealed pigment construction regardless of color. The risk difference between these lenses and clear prescription lenses is zero — because the only difference is embedded pigment that never touches your eye.
Myth 3: You can sleep in colored contacts if you have done it before and felt fine
Sleeping in contact lenses reduces oxygen flow to your cornea by roughly one-third. One night of reduced oxygen does not cause permanent damage. Repeated nights do. The damage accumulates silently — micro-scratches, corneal swelling, reduced tear film quality — until a random morning when your eyes hurt and you cannot figure out why.
People who sleep in their lenses occasionally and feel fine the next morning are relying on luck, not evidence. Eventually, luck runs out. Read the full explanation here.
Myth 4: Dark eyes cannot show colored contacts
They can. The lenses that work on dark eyes have two key properties: high opacity and cool-toned pigment. Low-opacity lenses marketed as “natural” barely show on dark brown eyes. High-opacity lenses — like the INYX Purple — cover even the darkest iris completely. Read our guide for dark eyes here.
Myth 5: More expensive lenses are always better
Price correlates with manufacturing quality, but not perfectly. A $9.90 Yilala lens and a $30 lens from an optometrist may use similar materials at similar water content. The differences lie in pigment technology, edge finishing, and whether the lens is custom-fitted or off-the-shelf. The metric that matters most is whether the manufacturer publishes their specifications: material, water content, base curve, diameter, and FDA registration. If those numbers are visible and match your needs, the price point is secondary.
Browse FDA-registered colored contacts with full specifications published on every product page.