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https://flic.kr/p/tPqq3V | Harold Knight - Knitting [c.1915] | A quieter foil to his ebullient wife Laura, Harold Knight was an equally fine painter. Knitting dates from around 1915, when the Knights were living at Oakhill, St Buryan, near Lamorna in Cornwall. Harold produced a number of sensitive scenes of women in interiors during this period, in part because artists were forbidden to produce views of the Cornish coastline for security reasons during the First World War. Oakhill was also…

from ProHealth.com

Comparing and contrasting consensus versus empirical domains

Researchers find the Fukuda et al. criteria has the worst sensitivity and specificity for diagnosing CFS.

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Contrast Sensitivity Testing - A person with normal visual acuity but poor contrast sensitivity might see the trees in the foreground clearly (high contrast), but have trouble seeing the contours of the mountains against the sky in the background (low contrast).