Duane Retraction SyndromeChimerin 1Abducens Nerve DiseasesChimerin ProteinsEsotropiaMobius SyndromeOculomotor MusclesOrbitSyndromeEye MovementsProto-Oncogene Proteins c-bcrras GTPase-Activating ProteinsChromosomes, Human, Pair 2Spermatocytesrac GTP-Binding ProteinsPhosphatidylserinesOphthalmologic Surgical Procedures