Fig. 1. Surgical guideline measurements. The current surgical guideline approximates the distances between the ALC, AEF, PEF, and OC. Right orbit. AEF, anterior ethmoidal foramen; ALC, anterior lacrimal crest; OC, optic canal; PEF, posterior ethmoidal foramen.

Anat Cell Biol 2021;54:297~303 https://doi.org/10.5115/acb.21.013

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