: Poorly fitted lenses can scratch the surface of the eye.
In the United States, Canada, and many other regions, you . This rule applies to all types of lenses, including decorative, colored, or "plano" (non-corrective) lenses used for fashion or cosplay. Why a Prescription is Required
: Every eye has a unique shape; an eye care professional must measure your eye's curvature and diameter to ensure a safe fit. where can i buy contact lenses without prescription
: A fitting exam ensures your eyes can safely tolerate lenses and checks for conditions like dry eye.
: Most optometrists and ophthalmologists sell lenses directly at their practices. : Poorly fitted lenses can scratch the surface of the eye
You can purchase lenses from several types of reputable sources as long as you provide a valid prescription:
Contact lenses are classified as by the FDA (U.S. Food and Drug Administration) and Health Canada because they rest directly on the eye's surface. Why a Prescription is Required : Every eye
: Legitimate sellers who require prescriptions are more likely to provide FDA-cleared or approved products that meet strict safety standards. Where You Can Buy Lenses Legally