PURPOSE:To estimatemean rates of change of ocular function in patients with pigmented paravenous retinochoroidal atrophy(PPRCA).DESIGN:Retrospective observational case series.METHODS:Fifteen patients aged 8 to 67 year...PURPOSE:To estimatemean rates of change of ocular function in patients with pigmented paravenous retinochoroidal atrophy(PPRCA).DESIGN:Retrospective observational case series.METHODS:Fifteen patients aged 8 to 67 years with PPRCA were followed for 3 to 35 years(average follow-up time,13 years)with measures of visual acuity,visual field area,and full-field electroretinogram amplitude.Mean annual exponential rates of change were quantified by repeated measures longitudinal regression.RESULTS:Estimated mean annual rates of change were-2.0% for visual acuity,+ 0.3% for visual field area,and-3.4% and-6.7% for 0.5 Hz and 30 Hz electroretinogram amplitudes,respectively.CONCLUSION:Patients with PPRCA have a slowly progressive disease with respect to the loss of peripheral vision.展开更多
文摘PURPOSE:To estimatemean rates of change of ocular function in patients with pigmented paravenous retinochoroidal atrophy(PPRCA).DESIGN:Retrospective observational case series.METHODS:Fifteen patients aged 8 to 67 years with PPRCA were followed for 3 to 35 years(average follow-up time,13 years)with measures of visual acuity,visual field area,and full-field electroretinogram amplitude.Mean annual exponential rates of change were quantified by repeated measures longitudinal regression.RESULTS:Estimated mean annual rates of change were-2.0% for visual acuity,+ 0.3% for visual field area,and-3.4% and-6.7% for 0.5 Hz and 30 Hz electroretinogram amplitudes,respectively.CONCLUSION:Patients with PPRCA have a slowly progressive disease with respect to the loss of peripheral vision.