How to Put In Contact Lenses: A Beginner’s Guide
To put in a contact lens, wash and dry your hands, balance the lens on your index fingertip, hold both eyelids open, and gently place the…
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Contact Lens Blog
Guides and clinical insights on contact lenses, eyeglass prescriptions, vertex distance, and vision correction.
Glasses to Contacts Vertex Conversion Chart
This contact lens vertex conversion chart compares glasses and contact lens optical powers at a 12 mm spectacle vertex distance. It is spherical-only: CYL = 0.…
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Rigid Gas Permeable (RGP) Contact Lenses Explained
Rigid gas permeable (RGP or GP) lenses are rigid contact lenses made from materials that allow oxygen to pass through. They retain their shape, unlike flexible…
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Can You Cry With Contact Lenses In?
Crying is generally compatible with wearing contact lenses. ACUVUE’s wearer guidance says you can cry in contacts while avoiding rubbing the eyes or wiping the eye…
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Can You Shower With Contacts?
Remove contact lenses before showering, swimming or using a hot tub. Closing your eyes or turning your face away is not a reliable way to keep…
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Can You Wear Contact Lenses After Cataract Surgery?
Contact lenses may be an option after cataract surgery, but check with your surgeon before putting them in. Permission to resume lens wear, a new optical…
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Are Contact Lens Prescriptions the Same as Glasses?
Glasses and contact lens prescriptions are not interchangeable. Both describe vision correction, but a contact prescription also identifies the fitted lens product and its relevant specifications.…
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Do Contact Lenses Expire?
Yes, contact lenses expire. The EXP date on an unopened package, the replacement deadline after opening and the expiration of your prescription are different. Passing one…
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How Much Do Ortho-K Lenses Cost?
Ortho-K cost depends on the clinic’s fitting package, lenses and follow-up terms. A first-year quote cannot be compared fairly with a lens-only price or a renewal…
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What Is Base Curve in Contact Lenses?
BC means base curve, a contact lens curvature specification usually expressed in millimeters. It is a fitting parameter, not the lens’s optical power. A number such…
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How Often Should You Change Contact Lens Solution?
Use fresh disinfecting solution every time you clean and store reusable contact lenses. Empty the used solution from the case; do not add fresh solution to…
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Can You Use Contact Lens Solution as Eye Drops?
Do not use a lens-cleaning solution as a substitute for eye drops. Use a product in your eyes only when its label specifically permits that use…
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