Table 2. Equations for predicting VA (multiple linear regression, n = 105).

Macular region	Included variables	Regression formula	Adjusted R2	Residual variance	significance
Foveal	Thickness of RNFL and INL (µm)	0.002RNFL+0.005INL+0.046 (1)	0.344	6.835	0.003
Parafoveal	Thickness of INL, OPL, PRL (µm)	0.007INL+0.014OPL+0.016PRL3-1.002 (2)	0.427	5.908	0.013
Perifoveal	Thickness of INL (µm)	0.016INL-0.243 (3)	0.340	6.940	<0.001

Notes.

Abbreviations

RNFL

retinal nerve fiber layer

INL

inner nuclear layer

OPL

outer plexiform layer

PRL

photoreceptor

R²

determination coefficient