盲もう斑はんMeanings1nounblind spot (on the retina)rare termRare anatomical term for the optic disc; the more common word is 盲点 (もうてん).See also: 盲点盲もう斑はんは視し神しん経けいが網もう膜まくを貫つらぬく部ぶ分ぶんで、光ひかりを感かんじない。The blind spot is the area where the optic nerve passes through the retina and does not sense light.