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Reliability and validity of the Actiwatch and Clouclip for measuring illumination in real‐world conditions
2021
Ophthalmic & physiological optics
Preserved Fulltext
To compare real-world measures of illumination obtained with the Actiwatch-2 and Clouclip-M2 with 'gold standard' photometry measures and to evaluate the ability of Actiwatch-2 to correctly identify photometer-defined conditions: scotopic (≤0.01 lux), mesopic (0.02-3 lux), indoor photopic (>3-1,000 lux) and outdoor photopic (>1,000 lux); and Clouclip to correctly identify photometer-defined conditions within its operating range (>1 lux). Inter-device reliability of Clouclip for illumination and viewing distance measures was also investigated.
doi:10.1111/opo.12860
pmid:34387902
fatcat:wy6zpmwznfbwrcqeihnfjkvrye