Your Query returns 9 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
opt1NG_0005097227opt    CG2913    CT9914    CT9924    EG:EG0002.1    yin   
opt1NC_0043547227opt    CG2913    yin   
opt1NM_0577997227opt    CG2913    yin   
opt1NM_0578007227opt    CG2913    yin   
opt1NM_1669937227opt    CG2913    yin   
opt1U859827227
OPT1U609735476
opt1AJ3199024952
OPT1NC_0011424932HGT1   

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

Google

Text2Knowledge ... Yong Huang 2002