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Table 4 The comparison of central thickness, refractive power, and oxygen transmissibility between control group and PM10 exposure group

From: Heavy metal deposition and parameter change of soft contact lenses by exposure to particulate matter

 

Contact lens

Control

PM10 exposure

Relative ratio(%)

p-Value

Central thickness(mm)

Nelfilcon A

0.095 ± 0.004

0.093 ± 0.005

97.89

0.753

Nelfilcon A°

0.092 ± 0.003

0.092 ± 0.002

100.00

0.743

Senofilcon C

0.072 ± 0.002

0.072 ± 0.002

100.00

0.750

Balafilcon A

0.077 ± 0.005

0.078 ± 0.002

101.30

0.281

Lotrafilcon B

0.071 ± 0.004

0.071 ± 0.003

100.00

1.000

Comfilcon A

0.067 ± 0.003

0.067 ± 0.006

100.00

0.753

Refractive power(D)

Nelfilcon A

-2.91 ± 0.17

-2.94 ± 0.13

101.03

0.117

Nelfilcon A°

-3.02 ± 0.16

-3.04 ± 0.08

100.66

0.465

Senofilcon C

-2.87 ± 0.13

-2.87 ± 0.05

100.00

0.295

Balafilcon A

-2.92 ± 0.25

-3.04 ± 0.21

104.11

0.675

Lotrafilcon B

-2.99 ± 0.07

-3.02 ± 0.25

101.00

0.917

Comfilcon A

-2.82 ± 0.08

-2.80 ± 0.06

99.29

0.599

Oxygen transmissibility

(10− 9)

Nelfilcon A

24.46 ± 0.15

27.13 ± 0.95

110.92

0.049*

Nelfilcon A°

26.58 ± 0.44

28.79 ± 0.74

108.31

0.049*

Senofilcon C

111.73 ± 11.80

114.00 ± 8.27

102.03

0.827

Balafilcon A

100.89 ± 3.76

99.31 ± 7.41

98.43

0.827

Lotrafilcon B

101.30 ± 3.52

100.49 ± 8.53

99.20

0.827

Comfilcon A

114.94 ± 3.86

114.03 ± 5.70

99.21

0.827

  1. (cm /sec)(mL O2/mL * mmHg)
  2. Values were expressed as MEAN ± SD
  3. * Significantly different at p 0.05 by Mann-Whitney U test