Sentence examples for letter testing from inspiring English sources

A letter testing positive for the new synthetic drug black mamba has been intercepted.

With a visual acuity of 20/40 or worse on Snellen letter testing, the sensitivity of Wright figures© and Allen cards in diagnosing amblyopic eyes was 87.0 and 56.5%, respectively (P = 0.016).

That letter tested negative for anthrax.

That letter tested positive Tuesday for poisonous ricin.

aWhen the first letter tested positive for spores of Bacillus anthracis was received.

The substance in those two letters tested positive for ricin, which occurs naturally in castor beans and can be fatal when inhaled or ingested.

Then they were asked to do one of three things for 30 minutes -- sit quietly, run on a treadmill or lift weights -- before performing the letter test again.

Feature 2: assess using picture recognition or random letter test.

Binocular vision acuity at distance of 5 m with a Snellen letter test chart.

*Measured at distance of 3 m with Snellen letter test chart (decimal scale).

Two categories of covariables were tested: variables collected at baseline (living at home alone, body mass index (BMI), visual acuity measured with Snellen letter test chart on a decimal scale, and perceived health) and variables that vary with time (hospitalised at least once during last year, temporarily bed-confined during last year and number of falls during last year).