<psychiatry> Morbid or exaggerated desire for light. ... Origin: photo-+ G. Mania, frenzy ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973
photomania 1. An irresistible craving for light or the sun (heliolatry). 2. A morbid or exaggerated desire for light. 3. Maniacal symptoms increased by the effect of light. Found on http://www.wordinfo.info/words/index/info/view_unit/2735/15