The Pattern of Retinal Nerve Fiber Layer and Macular Ganglion Cell-Inner Plexiform Layer Thickness Changes in Glaucoma

Table 2

Correlation coefficient for MD on Humphrey visual field analysis with circumpapillary RNFL and GCIPL parameters on OCT in different stages of glaucomatous eyes.

	Early to moderate glaucoma			Advanced glaucoma
	R	R^2		R	R^2
cpRNFL
Average	0.477	0.227	<0.001	0.198	0.039	0.177
Superior (quadrant)	0.252	0.063	<0.001	0.452	0.204	0.001
Inferior (quadrant)	0.471	0.221	<0.001	0.192	0.037	0.191
GCIPL thickness
Average	0.345	0.119	<0.001	0.093	0.009	0.528
Superior	0.159	0.025	0.012	0.495	0.245	<0.001
Inferior	0.397	0.157	<0.001	0.342	0.117	0.020

The severity of the glaucomatous damage was classified into early (MD ≥ −6.00 dB), moderate, (−12.00 dB ≤ MD < −6.00 dB), and advanced glaucoma (MD < −12.00 dB).