Optical Coherence Tomography May Help Distinguish Glaucoma from Suprasellar Tumor-Associated Optic Disc

Table 1

OCT parameters of the suprasellar tumor and glaucoma groups.

Parameter	Craniopharyngioma/pituitary adenoma (n = 16)		Glaucoma (n = 15)
	Mean	SD	Mean	SD
Total RNFL thickness (μm)	62.8	14.7	74.2	18.6	0.07
Disc area (mm^2)	2.16	0.44	2.70	0.52	0.004
CUP volume (mm^3)	0.08	0.08	0.20	0.16	0.02
C/D ratio	0.38	0.18	0.49	0.20	0.11
Rim area (mm^2)	1.38	0.52	1.25	0.56	0.52

RNFL: retinal nerve fiber layer.