Research Article

Ocular Characteristics of Patients with Leber Congenital Amaurosis 6 Caused by Pathogenic RPGRIP1 Gene Variation in a Chinese Cohort

Table 1

Clinical features of patients with LCA6.

Patient IDSexAgeInitial symptomsLogMARVAClinical features
OnsetDiagnosisODOSVisual fieldSD-OCTAutofluorescenceFundusFEGR

Case 1F1 y34 yPVADC0.150.2Binocular superior-temporal hemianopiaThe ellipsoid zone preservedRetinal atrophy with mild surrounding pigmentationMPCLNRR and ECR
Case 2F1 y5 yPVADC0.150.15A small center visual island defectThe ellipsoid zone preservedNormalNormalLNRR and ECR
Case 3F1 y28 yPVADC0.050.05Tubular visionThe ellipsoid zone blurredThe increase of hypofluorescence area of the macula, hyperfluorescent ring, and mottled hyperfluorescenceNormalLNRR and ECR
Case 4F<1 y32 yPVADCHMHMN/AAll retinal layers are unclearConcentric area of hypoautofluorescenceMPCECRR
Case 5F<1 y9yPVADCLPLPN/ANANAMPCECRR

ECR: extinguished cone response; ECRR: extinguished cone and rod response; HM: hand movement; LNRR: lower than normal rod response; LP: light perception; NA: not available; PVADC: photophobia, visual acuity decreased, congenital nystagmus; MPC: mottled pigmentary change.