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2. Adjustable-focus eyeglasses - Wikipedia

   en.wikipedia.org/wiki/Adjustable-focus_eyeglasses

   Adjustable focus eyeglasses are eyeglasses with an adjustable focal length. They compensate for refractive errors (such as presbyopia) by providing variable focusing, allowing users to adjust them for desired distance or prescription, or both. Current bifocals and progressive lenses are static, in that the user has to change their eye position ...

3. Over-the-counter drug - Wikipedia

   en.wikipedia.org/wiki/Over-the-counter_drug

   OTC drugs are usually regulated according to their active pharmaceutical ingredient (API) and strengths of final products. [2] The term over-the-counter ( OTC) refers to a medication that can be purchased without a medical prescription. [3] In contrast, prescription drugs require a prescription from a doctor or other health care professional ...

4. List of optometric abbreviations - Wikipedia

   en.wikipedia.org/wiki/List_of_optometric...

   Medications Nocte/QHS At night Occ Ointment od/QD Once a day otc Over the counter (bought medication) P Pharmacy (drug) POM Prescription-only medicine prn When required q Every (e.g. q2h – every two hours) qds/qid Four times a day Rx Prescription tds/tid Three times a day ung Ointment

5. Anthem teams up with Walmart for over-the-counter drugs - AOL

   www.aol.com/finance/2018-08-20-anthem-teams-up...

   The Walmart-Humana partnership offers a prescription drug plan that saves up to 20 percent in drug costs for customers. RELATED: 5 biggest mistakes shoppers make, according to Walmart employees

6. Corrective lens - Wikipedia

   en.wikipedia.org/wiki/Corrective_lens

   Corrective lens. A corrective lens is a transmissive optical device that is worn on the eye to improve visual perception. The most common use is to treat refractive errors: myopia, hypermetropia, astigmatism, and presbyopia. Glasses or "spectacles" are worn on the face a short distance in front of the eye.

7. List of Schedule I controlled substances (U.S.) - Wikipedia

   en.wikipedia.org/wiki/List_of_Schedule_I...

   This is the list of Schedule I controlled substances in the United States as defined by the Controlled Substances Act. [1] The following findings are required for substances to be placed in this schedule: [2] The drug or other substance has a high potential for abuse. The drug or other substance has no currently accepted medical use in ...