Table 1.

Ocular and orbital measurements extracted from fetal US, fetal MRI, B-scan, UBM, and postnatal MRI

Imaging modality	Axial length, mm		Left orbital contents, mm	Left orbital cyst, mm	Lens, mm
	Right	Left			Right	Left
Fetal US	13.6	11.7	20.9	Lobe 1: 6.2 A/P × 11.4 transverse	4.3	4.2
				Lobe 2: 6.2 A/P × 16.2 transverse
Fetal MRI	17.6	9.3	19.4	Lobe 1: 9.6 mm × 11 mm	3.24	2.92
				Lobe 2: 6.5 mm × 4.3 mm
Postnatal ophthalmic US	17.8	<10	21	Lobe 1: 13 mm × 12 mm	3.7	4.38
				Lobe 2: 9 mm × 7 mm
Postnatal MRI	17.7	11.3	20.3	Lobe 1: 15.8 mm × 10.2 mm	3.32	3.56
				Lobe 2: 13 mm × 11.5 mm

MRI, magnetic resonance imaging; UBM, ultrasound biomicroscopy; US, ultrasound.