Table 6 Corneal epithelium thickness in the central (2-mm diameter), para-central (2 to 5-mm diameter), and peripheral (5 to 6-mm diameter), according to the quartile corneal curvature radius in normal Chinese children (n = 370).
From: Corneal Epithelium Thickness Profile in 614 Normal Chinese Children Aged 7–15 Years Old
Corneal Curvature Radius (mm) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
7.15–7.65 | 7.66–7.83 | 7.84–8.00 | 8.01–8.60 | Total | ||||||
Mean | SD | Mean | SD | Mean | SD | Mean | SD | Mean | SD | |
n = 88 | n = 94 | n = 91 | n = 97 | n = 370 | ||||||
C | 52.72 | 2.76 | 53.16 | 2.68 | 53.60 | 2.68 | 53.51 | 2.61 | 53.25 | 2.69 |
S1 | 50.78 | 2.39 | 51.90 | 2.81 | 51.95 | 2.59 | 52.36 | 2.46 | 51.77 | 2.63 |
S2 | 49.28 | 2.80 | 50.52 | 2.98 | 50.54 | 2.86 | 51.15 | 2.62 | 50.40 | 2.88 |
ST1 | 51.00 | 2.38 | 51.78 | 2.81 | 51.98 | 2.72 | 52.27 | 2.58 | 51.77 | 2.66 |
ST2 | 50.18 | 2.47 | 51.11 | 2.89 | 51.38 | 2.55 | 51.71 | 2.40 | 51.11 | 2.64 |
T1 | 51.50 | 2.60 | 51.98 | 2.89 | 52.37 | 2.76 | 52.55 | 2.75 | 52.11 | 2.77 |
T2 | 51.11 | 2.58 | 51.73 | 2.96 | 51.92 | 2.79 | 52.42 | 2.55 | 51.81 | 2.75 |
IT1 | 52.51 | 2.81 | 53.05 | 2.70 | 53.48 | 3.03 | 53.49 | 2.68 | 53.15 | 2.82 |
IT2 | 52.66 | 3.08 | 53.06 | 3.02 | 53.56 | 3.06 | 53.72 | 2.59 | 53.26 | 2.96 |
I1 | 53.32 | 2.88 | 53.88 | 2.87 | 54.38 | 2.91 | 54.18 | 2.65 | 53.95 | 2.84 |
I2 | 53.45 | 3.07 | 54.21 | 2.89 | 54.60 | 3.00 | 54.60 | 2.69 | 54.23 | 2.93 |
IN1 | 53.01 | 2.74 | 53.79 | 2.80 | 54.33 | 2.68 | 54.23 | 2.54 | 53.85 | 2.73 |
IN2 | 52.86 | 2.67 | 53.80 | 2.99 | 54.25 | 2.50 | 54.20 | 2.69 | 53.79 | 2.77 |
N1 | 52.47 | 2.58 | 53.27 | 2.73 | 53.67 | 2.57 | 53.76 | 2.48 | 53.31 | 2.63 |
N2 | 52.30 | 2.38 | 53.33 | 2.81 | 53.54 | 2.40 | 53.90 | 2.48 | 53.28 | 2.58 |
SN1 | 51.64 | 2.34 | 52.60 | 2.75 | 52.81 | 2.61 | 53.06 | 2.44 | 52.54 | 2.59 |
SN2 | 50.68 | 2.53 | 52.16 | 2.96 | 52.20 | 2.58 | 52.61 | 2.54 | 51.94 | 2.74 |