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

P value by multivariate analysis of covariance (MANCOVA) adjusted by age, intraocular pressure, central corneal thikness, optic disc area

Significant values are shown in bold. Bonferroni’s correction for multiple comparisons