Term Name:	establishment of ommatidial planar polarity
Synonyms:	establishment of ommatidial polarity
Definition:	The specification of polarized ommatidia. Ommatidia occur in two chiral forms. The trapezoidal arrangement of photoreceptors in the dorsal part of the eye is the mirror image of that in the ventral part.
Ontology:	GO: Biological Process [GO:0042067]    QuickGO    AmiGO