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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
An eyeglass prescription is an order written by an eyewear prescriber, such as an optometrist, that specifies the value of all parameters the prescriber has deemed necessary to construct and/or dispense corrective lenses appropriate for a patient.
CE marking example on a mobile phone charger. The presence of the logo (from French, "conformité européenne" meaning "European conformity") [2] on commercial products indicates that the manufacturer or importer affirms the goods' conformity with European health, safety, and environmental protection standards.
The post This Is What Those Numbers on Your Glasses Mean appeared first on Reader's Digest. The numbers on your eyewear are more important than you think—an optometrist tells us why. The post ...
take (often effectively a noun meaning "prescription"—medical prescription or prescription drug) rep. repetatur: let it be repeated s. signa: write (write on the label) s.a. secundum artem: according to the art (accepted practice or best practice) SC subcutaneous "SC" can be mistaken for "SL," meaning sublingual. See also SQ: sem. semen seed
Sunglasses or sun glasses (informally called shades or sunnies; more names below) are a form of protective eyewear designed primarily to prevent bright sunlight and high-energy visible light from damaging or discomforting the eyes.
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