Table 3 Results of multiple regression analyses to estimate the association between myopia and corneal higher order aberrations (evaluated with natural pupillary diameters, average value φ = 6.1 mm).

From: Relation between dry eye and myopia based on tear film breakup time, higher order aberration, choroidal thickness, and axial length

 

Axial length, mm (N = 59)

Cycloplegic objective refraction, D (N = 25)

β

95% CI

P

β

95% CI

P

Overall

Age (years)

0.176

0.073 to 0.279

0.001

0.142

− 0.323 to 0.606

0.56

Gender

0.258

− 0.320 to 0.836

0.39

− 0.795

− 2.69 to 1.10

0.42

SA (μm)

− 0.633

− 3.26 to 1.99

0.64

10.2

− 27.3 to 47.8

0.60

S3 (μm)

− 11.2

− 32.8 to 10.4

0.32

11.3

− 71.3 to 93.9

0.79

S4 (μm)

− 3.63

− 29.9 to 22.7

0.79

− 36.9

− 202 to 128

0.67

THOA (μm)

9.75

− 19.0 to 38.5

0.51

5.98

− 109 to 121

0.92

R2

 

0.294

  

0.421

 
  1. D diopters, SA spherical aberration, S3 3rd-order aberrations, S4 4th-order aberrations, THOA sum of the 3rd- to 6th-order aberrations, 95% CI 95% confidence interval, β coefficient.
  2. Two multiple regression models were used. Axial length or cycloplegic objective refraction was used as the outcome variable. P < 0.05 are highlighted. For gender, boys were numbered 1 and girls were numbered 0.
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