noun
leukocoria; white pupil
Medical term for an abnormal white reflection from the pupil, often a sign of serious eye conditions such as retinoblastoma or congenital cataract.
白色瞳孔は、小児の眼疾患の重要な兆候の一つです。
Leukocoria is one of the important signs of pediatric eye disease.
Compound of 白色 (はくしょく, 'white') and 瞳孔 (どうこう, 'pupil'), directly describing the symptom.