troland


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troland

[′trō·lənd]
(optics)
A unit of retinal illuminance, equal to the retinal illuminance produced by a surface whose luminance is one nit when the apparent area of the entrance pupil of the eye is 1 square millimeter. Also known as luxon; photon.
References in periodicals archive ?
3-degree-size targets with a 50,000 troland retinal luminance, flashed for 0.
Interviews with Edna Tyler, Judge Tom Troland, and Arlene Fones.
Trundle and Troland (2005) confirmed this when they evaluated 79 children's books that focused on the Moon as a topic or used the Moon prominently in illustrations; the results revealed that many books reinforce misconceptions about lunar phases and even misrepresent the Moon.
UXBRIDGE - Matthew Troland, an infant with spinal muscular atrophy, recently began using a feeding tube.