Long-Term Effects of Nilvadipine against Progression of the Central Visual Field Defect in Retinitis Pigmentosa: An Extended Study
Distribution of the MD slope for each participant during the observation periods. (a) Right eyes of the treatment group; (b) Right eyes of the control group; (c) Left eyes of the treatment group; (d) Left eyes of the control group. Black arrows indicate each patient’s MD slope; blue arrows indicate the average value for each group.
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