Table 1 Retinal nerve fiber layer (RNFL) and ganglion cell-inner plexiform layer (GCIPL) thickness measurements of subgroups based on spherical equivalents (SE)
|  | Low myopia (LM) (N = 86) | Moderate myopia (MM) (N = 48) | High myopia (HM) (N = 34) | P Value | Post hoc |
|---|---|---|---|---|---|
Retinal nerve fiber layer | |||||
 Average | 96.85 ± 7.49 | 94.21 ± 7.11 | 91.59 ± 6.28 | 0.003 | LM > HM |
 Temporal quadrant | 70.93 ± 8.07 | 76.21 ± 14.82 | 82.32 ± 16.28 | <0.001 | LM < MM/HM |
 Superior quadrant | 122.76 ± 13.57 | 115.79 ± 19.99 | 111.82 ± 11.01 | 0.001 | LM > MM/HM |
 Nasal quadrant | 67.09 ± 8.49 | 64.27 ± 9.59 | 60.53 ± 8.06 | 0.001 | LM > HM |
 Inferior quadrant | 126.57 ± 14.02 | 118.08 ± 11.44 | 111.74 ± 15.13 | <0.001 | LM > MM/HM |
Ganglion cell inner plexiform layer | |||||
 Average | 84.13 ± 4.39 | 82.23 ± 4.67 | 78.24 ± 6.21 | <0.001 | LM/MM > HM |
 Minimum | 81.12 ± 9.75 | 78.17 ± 12.75 | 69.12 ± 18.51 | <0.001 | LM/MM > HM |
 Superotemporal | 83.86 ± 6.52 | 81.27 ± 7.67 | 77.62 ± 8.94 | 0.001 | LM > HM |
 Superior | 86.22 ± 6.50 | 85.27 ± 5.15 | 78.88 ± 10.44 | <0.001 | LM/MM > HM |
 Superonasal | 85.51 ± 4.55 | 83.77 ± 4.12 | 80.97 ± 7.32 | 0.001 | LM > HM |
 Inferonasal | 84.01 ± 4.84 | 82.33 ± 4.29 | 80.38 ± 6.23 | 0.002 | LM > HM |
 Inferior | 84.44 ± 4.95 | 82.46 ± 4.87 | 79.15 ± 7.98 | <0.001 | LM/MM > HM |
 Inferotemporal | 81.38 ± 6.24 | 78.10 ± 8.46 | 72.71 ± 8.64 | <0.001 | LM > MM > HM |