A measure of the total radiant energy incident on a surface per unit area. Also Radiant Exposure.
Extended Source
A source of optical radiation with an angular subtense at the cornea larger than αmin. Also, see Point Source.
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A measure of the total radiant energy incident on a surface per unit area. Also Radiant Exposure.
A source of optical radiation with an angular subtense at the cornea larger than αmin. Also, see Point Source.