Table 1 The level of the intraocular pressure and average corneal radii of curvature in left and right eyes measured at three specified times during the day.

	Age	eye	Morning 9:30		Noon 12:30		Afternoon 17:30
			IOP mm Hg	R0 mm	IOP mm Hg	R1 mm	IOP mm Hg	R2 mm
1	29	OS	18.0	7.97	16.0	7.94	16.0	7.74
		OD	14.0	7.68	14.0	7.84	13.0	7.84
2	44	OS	21.5	8.09	22.0	7.84	13.7	7.89
		OD	19.0	8.17	20.3	7.91	16.4	8.14
3	59	OS	18.5	8.63	24.0	8.62	21.3	8.63
		OD	18.0	8.37	24.5	8.63	19.7	8.43
4	42	OS	23.5	8.25	21.5	8.29	17.3	7.93
		OD	20.0	8.16	18.0	7.98	23.5	8.24
5	25	OS	14.5	8.54	18.0	8.41	18.0	8.28
		OD	15.0	8.46	17.0	8.63	19.0	8.44
6	42	OS	14.0	8.43	12.0	8.34	14.0	8.34
		OD	15.0	8.38	12.0	8.42	13.0	8.36
7	62	OS	14.7	7.72	16.0	7.63	13.0	7.74
		OD	13.0	7.61	14.0	7.48	9.5	7.64
8	37	OS	13.0	8.28	12.5	8.59	14.0	8.52
		OD	16.0	8.72	17.0	8.80	17.0	8.68
9	47	OS	12.0	8.12	17.0	7.94	17.0	8.04
		OD	12.0	8.47	15.0	8.02	17.0	8.02
10	25	OS	15.0	7.96	15.0	8.20	14.0	7.98
		OD	15.0	8.11	13.0	8.37	13.0	7.96
11	42	OS	16.0	8.39	17.0	8.27	17.0	8.21
		OD	17.0	8.41	20.0	8.94	18.0	8.71
12	24	OS	14.0	8.50	16.0	8.36	14.0	8.41
		OD	14.0	8.33	16.0	8.42	13.0	8.30
13	57	OS	22.0	7.78	26.0	7.77	26.0	7.80
		OD	24.0	7.88	21.3	7.50	20.0	7.78
14	35	OS	14.0	8.03	14.0	8.17	12.0	8.00
		OD	14.0	8.25	11.0	8.12	10.0	8.21
15	23	OS	17.0	7.78	18.0	7.94	16.0	7.84
		OD	19.0	7.96	20.0	7.80	17.0	7.68
16	30	OS	11.0	9.05	13.0	8.98	12.0	8.90
		OD	10.0	9.07	13.0	9.12	11.0	9.12
17	35	OS	17.0	8.34	18.0	8.17	18.0	8.40
		OD	18.0	8.29	19.0	8.48	16.0	8.32

IOP, intraocular pressure; OD, right eye; OS, left eye; R₀, average radius of curvature in the morning; R₁, average radius of curvature at noon; R₂, average radius of curvature in the afternoon.