Repeatability and Reproducibility of Retinal Nerve Fiber Layer Parameters Measured by Scanning Laser Polarimetry with Enhanced Corneal Compensation in Normal and Glaucomatous Eyes

Table 1

Demographic and clinical characteristics of the sample.

	Control ( = 82)				Glaucoma ( = 60)
	Minimum	Maximum	Mean	SD	Minimum	Maximum	Mean	SD
Age (y)	38	70	55.73	6.92	43	76	58.27	8.95	0.091
BCVA (Snellen)	20/25	1	0.92	0.09	20/25	1	0.90	0.10	0.263
IOP (mmHg)	13	20	17.95	2.06	23	45	27.69	5.87	<0.001
CCT (μm)	476	619	563.53	36.58	470	600	533.49	28.68	<0.001
MD SAP (dB)	−1.48	1.75	−0.31	1.16	−29.74	−1.28	−7.04	7.04	<0.001
PSD SAP	0.94	1.86	1.42	0.21	2.05	14.33	5.63	3.60	<0.001
VFI	98	100	99.51	0.64	14	97	85.72	18.80	<0.001

Student’s -test between the control and glaucoma groups.
SD: standard deviation; BCVA: best-corrected visual acuity; IOP: intraocular pressure; CCT: central corneal thickness, MD: mean deviation; SAP: standard automated perimetry; PSD: pattern standard deviation; VFI: Visual Field Index.