establishment of ommatidial planar polarity
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.
GO:0001736
establishment of planar polarity
is_a
GO:0007163
establishment or maintenance of cell polarity
is_a
GO:0001745
compound eye morphogenesis
part_of
establishment of ommatidial polarity
exact