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Table 1 Error of fit with Zernike polynomials with orders between 3 and 8 for central maps and combining central and peripheral maps together

From: In vivo study of corneal responses to increased intraocular pressure loading

 

Zernike RMS of error (μm)

Map combination RMS of error (μm)

Zernike order

Whole central map

Reduced area of central mapa

Whole maps

Reduced area maps*

3

9.5 ± 5.6

4.2 ± 2.2

14.1 ± 9.9

9.0 ± 6.3

4

2.9 ± 3.2

0.8 ± 1.4

11.6 ± 8.9

7.6 ± 6.7

5

2.4 ± 2.4

0.6 ± 1.5

11.5 ± 9.2

7.2 ± 7.1

6

1.9 ± 1.6

0.6 ± 1.2

11.6 ± 7.8

6.6 ± 6.0

7

1.8 ± 1.6

0.8 ± 0.7

10.6 ± 7.2

5.1 ± 3.6

8

1.5 ± 1.2

0.5 ± 0.4

10.1 ± 5.6

4.5 ± 2.4

  1. a Area of maps excluding data contained with an edge area with 0.8 mm width
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Eye and Vision

ISSN: 2326-0254