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

  1. C: Center 2-mm, S1: Superior 2–5 mm, S2: Superior 5–6 mm, ST1: Superior Temporal 2–5 mm, ST2: Superior 5–6 mm, ST1: Temporal 2–5 mm, ST2: Temporal 5–6 mm, IT1: Inferior Temporal 2–5 mm, IT2: Inferior Temporal 5–6 mm, I1: Inferior 2–5 mm, I2, Inferior 5–6 mm, IN1: Inferior Nasal 2–5 mm, IN2: Inferior Nasal 5–6 mm, N1: Nasal 2–5 mm, N2: Nasal 5–6 mm, SN1: Superior Nasal 2–5 mm, SN2: Superior Nasal 5–6 mm, SD: Standard Deviation.