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  2. Some at-home COVID tests have expiration dates changed ... - AOL

    www.aol.com/home-covid-tests-expiration-dates...

    Compare your test’s lot number and original expiration date to the list. If you see a match, look at the last column of the document to see the test’s new expiration date. If you don’t find ...

  3. Should You Use an Expired COVID Test? The Answer Might ... - AOL

    www.aol.com/lifestyle/expired-covid-tests-still...

    But, if your test is expired—both on the box and per the FDA’s updated dating—and you want to be sure you’re getting an accurate reading, Dr. Russo says it’s “probably best to not use ...

  4. Got an Expired COVID-19 Test? Here's What Experts Want ... - AOL

    www.aol.com/got-expired-covid-19-test-120000805.html

    After health officials expanded expiration dates for COVID-19 tests, you may wonder about using expired tests. Here's what experts say about accuracy.

  5. Chart - Wikipedia

    en.wikipedia.org/wiki/Chart

    A radar chart or "spider chart" or "doi" is a two-dimensional chart of three or more quantitative variables represented on axes starting from the same point. A waterfall chart also known as a "Walk" chart, is a special type of floating-column chart. A tree map where the areas of the rectangles correspond to values. Other dimensions can be ...

  6. Snellen chart - Wikipedia

    en.wikipedia.org/wiki/Snellen_chart

    A person taking the test covers one eye from 6 metres or 20 feet away, and reads aloud the letters of each row, beginning at the top. The smallest row that can be read accurately indicates the visual acuity in that specific eye. The symbols on an acuity chart are formally known as "optotypes". Variation of Snellen chart with another letter ...

  7. Glucose meter - Wikipedia

    en.wikipedia.org/wiki/Glucose_meter

    Coding: Since test strips may vary from batch to batch, some models require a code to be provided, either by the user or on a plug-in chip supplied with each batch of test strips, to calibrate the meter to the strips of the batch. An incorrect code can cause errors of up to 4 mmol/L (72 mg/dL), with possibly serious consequences, including risk ...