The function of Ensembl gene identifier ENSG00000135338 (LCA5, lebercilin LCA5) is as follows. Involved in intraflagellar protein (IFT) transport in photoreceptor cilia. Plays a role in the ciliary transport of photoreceptors outer segment proteins. {ECO:0000250|UniProtKB:E9QG33, ECO:0000250|UniProtKB:Q80ST9}.