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Table 2 Anterior segment biometry obtained by the three devices under relaxed and accommodative states on the horizontal and the vertical meridian

From: Long scan depth optical coherence tomography on imaging accommodation: impact of enhanced axial resolution, signal-to-noise ratio and speed

 

Relaxed state

Accommodative state

System 1

System 2

System 3

System 1

System 2

System 3

Horizontal meridian

CCT

0.55

0.55

0.55

0.55

0.55

0.55

ACD

3.33

3.33

3.38

3.26

3.27

3.29

CLT

4.77

4.73

4.76

4.81

4.80

4.80

RAC

7.15

7.67

7.47

7.71

7.89

7.64

RPC

6.29

6.72

6.46

6.54

6.86

6.63

RAL

10.64

10.53

10.20

9.02

9.50

9.50

RPL

5.88

6.16

6.12

5.33

6.14

5.67

Vertical meridian

CCT

0.54

0.54

0.55

0.55

0.54

0.55

ACD

3.34

3.34

3.38

3.26

3.26

3.30

CLT

4.78

4.73

4.77

4.82

4.79

4.81

RAC

7.50

7.53

7.42

7.29

7.14

7.63

RPC

6.21

6.30

6.13

6.14

6.04

6.27

RAL

10.89

10.32

10.09

9.05

9.11

9.31

RPL

6.39

6.32

6.56

5.98

6.30

5.70

  1. Measurement in millimeters
  2. CCT = central corneal thickness; ACD = anterior chamber depth; CLT = central lens thickness; RAC = curvature radius of the anterior corneal surface; RPC = curvature radius of the posterior corneal surface; RAL = curvature radius of the anterior surface of the lens; RPL = curvature of the posterior surface of the lens