昼ちゅう盲もう症しょうMeanings1nounhemeralopia; day blindnessmedicineMedical term for a condition where vision is worse in bright light; opposite of night blindness.昼ちゅう盲もう症しょうの患かん者じゃは、明あかるい場ば所しょで視し力りょくが低てい下かする。Patients with hemeralopia experience reduced vision in bright places.