Your Query returns 3 Accession Numbers:

Query TermAccessionNCBI TaxonidSynonymsPhenotype (OMIM) *
Dsix3NM_0799567227opt    Six3    optix    D-Six3    CG18455   
Dsix3NM_1655847227opt    Six3    optix    D-Six3    CG18455   
Dsix3NT_0337787227opt    Six3    optix    D-Six3    CG18455   

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

Google

Text2Knowledge ... Yong Huang 2002