troland


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Tro·land

(trō'lănd),
L.T., U.S. physicist, 1889-1932. See: troland.

tro·land

(trō'lănd),
A unit of visual stimulation at the retina equal to the illumination per square millimeter of pupil received from a surface of 1 lux brightness.

Troland

A unit of conventional retinal illuminance, which is used to correct photometric measurements of luminance that fall on the retina by scaling them to the effective pupil size.

Troland,

L.T., U.S. physicist, 1889-1932.
troland - a unit of visual stimulation at the retina equal to the illumination per square millimeter of pupil received from a surface of 1 lux brightness.

troland 

Unit of retinal illuminance equal to that produced when the luminance of the observed object is one candela per square metre seen through a pupil having an area of one square millimetre. Syn. photon (obsolete). See retinal illuminance.
References in periodicals archive ?
There appears to be a higher frequency of learning disabilities and behavioral problems (McCormick, Gortmaker, & Sobol, 1990; Ornstein, Ohlsson, Edmonds, & Asztalos, 1991; Sommerfeldt, Ellersten, & Markestad, 1996; Sommerfeldt, Troland, Ellersten, & Markestad, 1996; Szatmari, Saigal, Rosenbaum, Campbell, & King, 1990), lower Intelligence Quotient (Ornstein, Ohlsson, Edmonds, & Asztalos, 1991; Pharoah, Stevenson, Cooke, & Stevenson, 1994; Sommerfeldt, Ellersten, & Markestad, 1995), and motor clumsiness such as impaired balance (Largo et al.
The Baby Matthew Troland Benefit will be held from 2 to 6 p.
Foundries must advertise where they can reach those people who influence the design and sale of a casting," explained Bill Troland, Continental Communications.