Contact Lens Prescription Number of Times It Can Be Used

Understanding your contact lens prescription

Your contact lens prescription contains specific data to ensure your contact lenses are safe, comfy and provide optimum vision.

If you're in the U.S., your contact lens prescription is yours to continue. In fact, by police force, your eye physician must requite you a copy of your prescription at the determination of your contact lens exam and fitting — fifty-fifty if yous don't ask for it.

Eye doctors use standard terms, abbreviations and measurements to write contact lens prescriptions. It may await like a secret code, but it's really quite simple to decipher.

Hither'due south a link to a helpful resource from Coastal with details about how to read your contact lens prescription.

And here's a folio with a VIDEO almost reading your contact lens prescription.

In addition to the above data, if you clothing disposable contact lenses, your prescription may include how oft your contact lenses should be replaced (once a calendar month, every 2 weeks, once a calendar week, daily, etc).

Sometimes the lens brand includes information about the recommended replacement schedule (eastward.one thousand., ACUVUE Vita 1-Calendar month), just the existent estimate is your eye care practitioner, who knows what's best for your eyes and lifestyle.

It'south besides important to notation that contacts and eyeglass prescriptions are non the same. And then even if you lot already have an eyeglass prescription, you will need a divide contact lens prescription before you tin purchase contacts.

Can yous buy contact lenses without a prescription?

No. Under U.South. law, the purchase of all contact lenses requires a valid contact lens prescription written by a qualified eye care practitioner.

This includes plano, or "non-prescription," colored contact lenses or special-effect lenses that are worn for cosmetic purposes but.

Your center care practitioner can merely write your contact lens prescription afterwards a thorough contact lens examination and fitting.

Throughout the U.S., you can exist fitted for contact lenses past an optometrist or ophthalmologist. In some states, opticians can also be certified to fit contact lenses.

Why do yous demand a contact lens prescription?

Information technology is illegal to sell contact lenses without a prescription, and for good reason.

A contact lens is a medical device, and a poorly fitted lens — or 1 fabricated from a material not well-suited to your eyes — can crusade distorted vision, discomfort, infection, inflammation, swelling and abrasion. In rare cases, permanent eye tissue impairment could result.

And information technology goes without saying that yous should never share your contact lenses, including colored contacts and theatrical contacts. Sharing contact lenses can cause potentially sight-threatening eye problems.

When does your contact lens prescription expire?

By police, contact lens prescriptions are valid for a minimum of one year, or the minimum required by state law, whichever is greater.

When your prescription expires, you won't be able to purchase more lenses until your eye care practitioner gives you an updated prescription. This will involve an eye exam to cheque your general eye wellness and to be certain that contact lenses aren't adversely affecting your optics.

"Just because your eyes experience practiced and your contact lenses seem to be working well does not mean your centre health is OK," says Charles Slonim, M.D., an ophthalmologist in Tampa, Florida. "You may be having microscopic issues that can be seen just with a slit lamp [a type of microscope used during an eye exam]."

Slonim says that near ten% of the fourth dimension when he sees a patient during a follow-up visit, he notices something that could become a problem if not taken care of immediately.

If y'all are diagnosed with a contact lens-related problem, it'due south unlikely that you'll have to discontinue wearing contacts permanently. In well-nigh cases, a change to a different type of lens or dissimilar contact lens solution — or a modification of how often you replace your contacts — volition solve the problem.

Where can you use your contact lens prescription?

Once the fit of your contacts has been canonical by your centre doctor and you receive your contact lens prescription, y'all have the option of buying contact lenses online, from your centre care provider, from optical bondage or from retail stores that sell eyewear.

Wherever y'all choose to purchase your contact lenses, always make sure you buy your contacts from a legitimate source. Vendors selling contact lenses without a prescription, such as you might discover in a flea market, gas station or novelty shop, are breaking the law.

Page published in February 2019

Folio updated in January 2022

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Source: https://www.allaboutvision.com/contacts/contact-lens-rx.htm#:~:text=By%20law%2C%20contact%20lens%20prescriptions,gives%20you%20an%20updated%20prescription.

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