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. Author manuscript; available in PMC: 2018 Jul 1.
Published in final edited form as: Retina. 2017 Jul;37(7):1329–1336. doi: 10.1097/IAE.0000000000001454

Table 2.

Visual function stratified by SDD presence versus absence for the total sample

Visual function N eyes All eyes P value Age-adjusted P value
SDD No SDD
M SD M SD
Visual acuity, logMAR 1202 0.056 (20/22) 0.13 0.043 (20/22) 0.13 0.1964 0.7029
Low luminance acuity 1202 0.362 (20/46) 0.12 0.353 (20/45) 0.13 0.3464 0.9702
Low luminance deficit 1202 0.307 (0.11) 0.310 (0.10) 0.6566 0.6118
Contrast sensitivity, log sensitivity 1202 1.60 (0.10) 1.61 (0.10) 0.0479 0.4359
Light sensitivity, dB 1 1195 30.29 (1.63) 30.51 (1.98) 0.1232 0.7013
Rod-mediated dark adaptation, rod-intercept time, minutes 2 547 14.1 (9.3) 11.4 (6.4) 0.0019 0.0511

M, mean; SD, standard deviation

1

N=1195; 7 participants did not complete light sensitivity measurements.

2

N=547; only one eye of each participant was evaluated. In addition, data were missing for 57 eyes because participant was unable to complete the test (56) or equipment failure (1).