半はん盲もう症しょうMeanings1nounhalf-blindness; partial blindnessMedical term for partial loss of vision, not complete blindness. Often used in clinical or ophthalmological contexts.半はん盲もう症しょうの患かん者じゃは視し野やの一いち部ぶが欠かけている。Patients with half-blindness have a partial loss of their visual field.