Decompression of the optic canal by the transethmoidal route.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D005131:Eye Injuries / Q000601:surgery*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009897:Optic Chiasm / Q000601:surgery*; D009900:Optic Nerve / Q000601:surgery*