eyaE2/eya1 flies may be eyeless, or may have eyes that are less than 1/4 normal size. eyaE2/eya3 flies are eyeless.
50% to less than 100% of eyaE2/Df(2L)eya10 embryos hatch. eyaE2/eyaE3 embryos animals do not survive to adulthood. eyaE2/eya4 flies have eyes which are less than 1/2 normal size.