noun, noun which may take the genitive case particle 'no'
Medical term for abnormal sensitivity to light, often used in dermatology or ophthalmology contexts.
この薬の副作用として光過敏性が報告されています。
Photosensitivity has been reported as a side effect of this medication.
光過敏性のある患者は、日光を避ける必要がある。
Patients with photosensitivity need to avoid sunlight.
Compound of 光 (light), 過敏 (hypersensitivity), and 性 (property/nature). The exact derivation is uncertain, but the term follows standard medical compounding patterns.