Fig. 3From: Comparison of the new self-contained darkroom refractive screener versus table-top autorefractor and cycloplegia retinoscopy in detecting refractive errorBland–Altman plots of the difference in DS between YD-SX-A and CR (a), YD-SX-A and Topcon KR8800 (b), Topcon KR8800 and CR (c)Back to article page