From: Comparison of 5-year progression of retinitis pigmentosa involving the posterior pole among siblings by means of SD-OCT: a retrospective study
Demographic
Mean
Standard deviation
Age at baseline (years)
42.40
±13.70
Follow up (years)
4.84
± 1.44
Visual Acuity (decimal)
0.675
± 0.235
Baseline EZ width (microns)
2345.7
±1204.3
Last follow-up visit EZ width (microns)
1945.4
±1123.1