FlyBase curator comment: this entry is used to capture phenotypic information when the particular allele (or allele combination) used by the author could not be determined but the context of the experiment suggests that the phenotype being described is some kind of loss of function.
The number of ommatidia is abnormal in heterozygotes.
Lunspecified has visible | dominant phenotype, suppressible by Low1
Lunspecified has eye phenotype, suppressible by Low1