Hartmann E, Wehmeyer K
Klin Monbl Augenheilkd. 1981 Jan;178(1):76-7. doi: 10.1055/s-2008-1055302.
Mesopic vision and sensitivity to glare were measured in 31 patients, using the Nyktometer and the Mesoptometer, which work on different principles. The results obtained with the two devices were remarkably similar.