Common Contact Lens Terms: A Glossary


Are you new to the world of contact lenses? Do you sometimes find yourself a little confused by all the technical jargon? Fear not! This glossary will help you navigate your way through the terminology and understand everything you need to know about your contact lenses.

Toric Lenses

If you have astigmatism, you might need toric lenses. These lenses have different powers in different meridians to correct the uneven curvature of your cornea. Don’t worry, they’re not as complicated as they sound!

Daily Disposable Lenses

Daily disposable lenses are contacts that are thrown away after one use. They’re a great option if you have allergies or just don’t want to deal with the hassle of cleaning and storing your contacts. Plus, they’re super convenient!

Silicone Hydrogel Lenses

Silicone hydrogel lenses are a type of contact lens material that allows more oxygen to reach your eyes. They’re a popular choice because they’re comfortable and allow for longer wear time.

Base Curve

The base curve of a contact lens refers to the curvature of the lens that sits on your eye. It’s important to get the right base curve for your eyes to ensure optimal comfort and vision.


Diopters are a measure of the refractive power of your contact lens. They indicate how much correction you need for your vision. Basically, the higher the number of diopters, the stronger your prescription.

UV Blocking

Some contact lenses have UV blocking capabilities to protect your eyes from harmful UV rays. This is a great feature if you spend a lot of time outdoors, but don’t forget to still wear sunglasses!

Contact Lens Solution

Contact lens solution is used to clean, disinfect, and store your contacts. It’s important to use the right type of solution for your lenses to avoid irritation or damage.


And there you have it! A glossary of common contact lens terms to help you better understand your contact lenses. Remember, if you’re ever unsure about anything, always consult with your eye doctor or optometrist. Happy wearing!

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