Table 3 Mean X, Y, Z coordinate measurement errors for each landmark

Lacrimal Crest (LC)- Right

X

.3091

.43438

Y

.4303

.43550

Z

.0909

.10445

Lacrimal Crest (LC)- Left

X

.1758

.27370

Y

.3576

.44649

Z

.0909

.10445

Superior Orbital Fissure Postero-lateral (SOF-PL)- Right

X

.3576

.43642

Y

.3091

.33236

Z

.0909

.10445

Superior Orbital Fissure Postero-lateral (SOF-PL)- Left

X

.5770

.25629

Y

.1515

.39787

Z

.1030

.12424

Zygomatic Bone (ZB)- Right

X

.3394

.32722

Y

.2121

.29936

Z

.0909

.10445

Zygomatic Bone (ZB)- Left

X

.4121

.38852

Y

.1152

.22329

Z

.0909

.10445

Superior Orbital Fissure Postero-medial (SOF-PM)- Right

X

.3879

.45978

Y

.3758

.33635

Z

.0909

.10445

Superior Orbital Fissure Postero-medial (SOF-PM)- Left

X

.1412

.26373

Y

.3212

.44703

Z

.0909

.10445

Temporali s Grooves (TG)- Right

X

.2061

.30178

Y

.7939

.77198

Z

.0909

.10445

Temporalis Grooves (TG)- Left

X

.2667

.32249

Y

.9515

.75548

Z

.0909

.10445

Superior Orbital Rim (SOR)- Right

X

0.0000

0.00000

Y

.0333

.04714

Z

.4667

.56569

Superior Orbital Rim (SOR)- Left

X

0.0000

0.00000

Y

.3000

.42426

Z

.3000

.14142

Inferior Orbital Rim (IOR)- Right

X

.1000

.14142

Y

.1000

.14142

Z

.2000

.18856

Inferior Orbital Rim (IOR)- Left

X

.1000

.14142

Y

.4667

.28284

Z

.4667

.18856

Infraorbital Foramen (IF)- Right

X

.2606

.32449

Y

.0909

.20715

Z

.0545

.09342

Infraorbital Foramen (IF)- Left

X

.3733

.32933

Y

.0667

.16600

Z

.0545

.09342