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. Author manuscript; available in PMC: 2017 Jun 4.
Published in final edited form as: Am J Ophthalmol. 2011 Jan 13;151(3):514–21.e1. doi: 10.1016/j.ajo.2010.09.015

TABLE 3.

Percentile Distribution of Interocular Differences (Right Eye Minus Left Eye) in Retinal Nerve Fiber Layer Thickness (μm)

Parameters Percentiles

2.5 5 95 97.5
Average RNFL −7.9 −6.7 7.2 8.8
TP quadrant −10.1 −6.9 12.2 14.9
SP quadrant −22.6 −18.4 10.7 15.4
NS quadrant −11.9 −10.9 12.4 16.4
IF quadrant −16.2 −13.2 15.7 19.1
Clock hour 1/11 −39.4 −35.6 15.2 20.9
Clock hour 2/10 −26.9 −21.5 25 30.4
Clock hour 3/9 −12.5 −10.6 16 19.4
Clock hour 4/8 −22.5 −16.7 16.1 19.1
Clock hour 5/7 −27.6 −23.4 24.2 31.3
Clock hour 6 −32.4 −26.0 34.6 39.2
Clock hour 7/5 −39.8 −27.6 27.7 34.8
Clock hour 8/4 −21.6 −14.9 18.4 21.5
Clock hour 9/3 −10.8 −7.7 11.3 14.4
Clock hour 10/2 −17.3 −14.0 22.1 27.1
Clock hour 11/1 −26.1 −23.3 33.3 38.5
Clock hour 12 −39.2 −31.8 23.7 26.9

IF = inferior; NS = nasal; RNFL = retinal nerve fiber layer; SP = superior; TP = temporal.