The present invention provides an isolated nucleic acid molecule comprising, or consisting of, the nucleic acid sequence of SEQ ID NO:1 or a nucleic acid sequence of at least 200 bp having at least 70% identity to said sequence of SEQ ID NO:1, wherein said isolated nucleic acid molecule specifically leads to the expression in cones and/or OFF bipolar cells of a gene when operatively linked to a nucleic acid sequence coding for said gene.
