Table 4 Morphometry of optic canal measured in different studies
From: Optic canal: a CT-based morphometric study in north Indian population
Dimensions of optic canal (in mm) | Hart et al. [8] (USA) 2009 Male/female | Berlis et al. [4] (Germany) 1992 | Lang and Gehmann [32] 1976 | Magden and Kaynak [33] 1996 | Kalthur et al. [3] 2013 | Present study 2019 | ||
|---|---|---|---|---|---|---|---|---|
CT | Direct | CT | Direct | Direct | Direct | CT | CT Male/female | |
Width at cranial opening | 6.7 | 6.25 | 7.64 ± 1.11 | 6.25 | 6.48 | 5.48 | 4.59 | 4.34 ± 0.74/3.99 ± 0.71 |
Width at centre of optic canal | 6. 43 ± 1.08 | |||||||
Width at orbital opening | 4.5 | 5.46 | 5.66 ± 1.10 | 4.75 | 4.31 | 4.74 | 2.98 | 3.17 ± 0.58/2.97 ± 0.59 |
Length of the canal | 9.81 ± 1.62/9.38 ± 2.02 | |||||||
Length of medial wall | 16.1/13.9 | 9.8 | 9.1 | 10.63 | ||||
Length of lateral wall | 11.3/10 | 9.2 | 8.66 | 9.2 | ||||