Updated: January 20, 2026
Yes, contact lenses are generally safe when they are properly prescribed, fitted, and used exactly as directed. Contact lenses are medical devices, so most problems happen from preventable habits like overwearing lenses, poor hand hygiene, or using water instead of the correct solution. Following a consistent wear-and-care routine is the best way to reduce irritation and lower the risk of serious eye infections.
What to Check:
- Prescription and fit: wear only contacts prescribed for your eyes, including the correct brand, power, base curve (BC), and diameter (DIA).
- Hygiene: wash and dry hands before handling lenses, use fresh disinfecting solution, and keep the lens case clean and replaced regularly.
- Wear limits: follow the replacement schedule and do not sleep in contacts unless your eye doctor specifically approves overnight or extended wear.
- Water rules: avoid swimming, showering, or rinsing lenses with water, since water exposure can increase infection risk.
- Warning signs: stop wearing contacts and get prompt eye care for pain, increasing redness, light sensitivity, discharge, or sudden blurry vision.
Contact lenses are safe for most people when the lenses are correctly fitted and you follow consistent wear and hygiene habits every day.
Disclaimer: This information is for general informational purposes only and is not a substitute for professional advice, diagnosis, or treatment.
References:
About Contact Lenses | Healthy Contact Lens Wear and Care. Centers for Disease Control and Prevention (CDC). https://www.cdc.gov/contact-lenses/about/index.html. Updated May 27, 2025.
Contact Lenses. U.S. Food and Drug Administration (FDA). https://www.fda.gov/medical-devices/consumer-products/contact-lenses. Content current as of October 28, 2019.
How to Take Care of Contact Lenses. American Academy of Ophthalmology (AAO). https://www.aao.org/eye-health/glasses-contacts/contact-lens-care. Published April 22, 2022.
