The troland typically refers to the ordinary or photopic troland, which is defined in terms of the photopic luminance:
A scotopic troland is also sometimes defined:
U booster: Don't forget about Mason; Greg Troland wants everyone to remember it was Glen Mason who first pushed for an on-campus stadium.(SPORTS)(Patrick Reusse)
Jun 03, 2007; Byline: Patrick Reusse; Staff Writer The Gophers athletic department opened a public relations swing across Minnesota with stops...