Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
DMELRH4NG_0001377227RH4    CG9668    Dm Rh4    CT27342    Rhodopsin   
DMELRH4NM_0573537227Rh    RH4    CG9668    Rhodopsin   
DMELRH4NT_0374367227Rh    RH4    CG9668    Rhodopsin   

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* OMIM link based on symbol match for human and mouse.

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Text2Knowledge ... Yong Huang 2002