part of develops from capable of eye disc adult head adult sense organ eye A bilaterally paired compound sense organ of the adult head that functions in visual perception. fly_anatomy.ontology FBbt:00004508 compound eye UBERON:0000018 VFB:FBbt_00004508 https://www.ento.csiro.au/biology/drosophila/melanogaster.html?compound%20eye photoreceptor external compound sense organ anterior ectoderm derivative ventral ectoderm derivative detection of light stimulus involved in visual perception