| | Study ID | n (number of eye) | Gender (male/female) | Mean age (years) | Interventions | Outcomes | Study type | | E | C | E | C | E | C | E | C |
| | Liu, 2016[32] | 20(29) | 20(27) | 13/7 | 12/8 | 52±16 | 50±16 | MA+M | M | VA, VF, P-VEP, TE | RCT | | Zhao, 2016 [33] | 31(NM) | 31(NM) | 20/11 | 16/15 | 50.22±12.30 | 19.59±11.08 | MA+M | M | VA, TE | RCT | | Sun, 2015 [34] | 40(NM) | 40(NM) | 21/19 | 22/18 | 46.1±2.3 | 46.1±3.0 | MA+M | M | P-VEP, TE | RCT | | Wu, 2010 [35] | 30(52) | 30(53) | 21/9 | 20/10 | 46.4±14.14 | 48.83±13.52 | MA+M | M | VA, VF, P-VEP, TE | RCT | | Xia, 2010 [36] | 29(29) | 24(24) | 15/14 | 16/8 | 53.8±12.3 | 52.5±11.9 | MA+M | M | TE | RCT | | Dai, 2009 [37] | 21(25) | 21(25) | 11/10 | 11/10 | 40.5 | 40.5 | MA+M | M | TE | RCT | | Tian, 2018 [38] | 30(52) | 30(57) | 18/12 | 15/15 | 49.11±2.41 | 49.11±2.41 | MA | M | VA, VF, P-VEP, TE | RCT | | Yin, 2012 [39] | 25(50) | 25(50) | 10/15 | 11/14 | 57.6 | 55.9 | MA | M | TE | RCT | | Huang, 2005 [40] | 36(68) | 30(56) | 15/21 | 12/18 | 45.2 | 45.2 | MA | M | VF, P-VEP, TE | RCT |
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