. Author manuscript; available in PMC: 2008 Feb 1.

Published in final edited form as: Am J Ophthalmol. 2006 Oct 25;143(2):272–279. doi: 10.1016/j.ajo.2006.09.049

Table 2.

Scanning laser polarimetry parameters using variable (VCC) and enhanced (ECC) corneal compensation in normal and glaucomatous eyes.

SLP parameters	Normal (n=84)			Glaucoma (n=45)
Mean ± SD (range)	VCC	ECC	p-value	VCC	ECC	p-value
TSNIT average	58.5 ± 5.9 (48.0–74.0)	55.5 ± 5.1 (46–55.5)	<0.001	48.5 ± 8.6 (33–79)	44.8 ± 6.8 (31.3–58.0)	<0.001
Superior average	70.0 ± 8.3 (43.6–89.0)	69.4 ± 7.5 (53.6–69.3)	0.13	56.9 ± 9.6 (33–75.3)	55.9 ± 9.8 (32.0–77.0)	0.16
Inferior average	68.2 ± 8.3 (50–94.3)	69.0 ± 8.0 (51.0–87.0)	0.27	54.0 ± 13.2 (23.7–93.0)	53.0 ± 10.8 (24.0–73.0)	0.15
TSNIT SD	24.0 ± 4.4 (14.0–33.0)	28.6 ± 3.9 (22–45)	<0.001	17.3 ± 4.7 (10–30)	21.4 ± 4.9 (12.9–32.0)	<0.001
Typical Scan Score	85.7 ± 19.9(4–100)	98.0 ± 4.7(70–100)	<0.001	79.2 ± 26.5(0–100)	98.0 ± 9.3(38–100)	<0.001

SLP = scanning laser polarimetry; VCC = variable corneal compensation; ECC = enhanced corneal compensation; SD = standard deviation; TSNIT = temporal superior nasal inferior temporal