A Comparative Study of Clinical vs. Digital Exophthalmometry Measurement Methods

Table 1

Clinical, radiological, and digital exophthalmometry means and standard deviations (SD) for each group (normal and proptosis). Intra- and interclass correlation coefficients (ICC) of each exophthalmometry method.

Exophthalmometry method	Normal group 30 orbits	Proptosis group 34 orbits	ICC
	Mean (range) ± SD (mm)	Mean (range) ± SD (mm)	Intra	Inter
Clinical (Hertel)	17.52 ± 2.67	20.87 ± 2.53	0.93	0.95
Radiological (CT)	18.10 ± 3.09	21.69 ± 2.91	0.95	0.91
Digital photography	18.62 ± 3.87	24.32 ± 5.17	0.74	0.92