Clinical Study

Postoperative Refraction in the Second Eye Having Cataract Surgery

Table 2

Prediction of refraction in the second eye by univariate and multivariable analysis.

Variable Univariate analysis Multivariable model ( 𝑟 2 = 0 . 2 3 )
Intercept 𝑏 * 𝑃 𝑟 2 𝑏 * 𝑃

First eye
Observed refraction ( 𝑅 1 𝑂 )−0.19 0.44<0.0010.21 0.44<0.001
Predicted refraction ( 𝑅 1 𝑃 )−0.15 0.41 0.190.01−0.09 0.71
Second eye
Predicted refraction ( 𝑅 2 𝑃 )−0.10 0.55 0.040.02 0.43 0.09
Difference in lens power ( 𝑃 2 𝑃 1 )−0.25−0.08 0.180.01−0.07 0.24
Intercept (multivariable model).−0.09 0.32

* 𝑏 : regression coefficient.
Predicted refraction in first ( 𝑅 1 𝑃 ) and second ( 𝑅 2 𝑃 ) eyes based on SRK-T formula.