Translation guide
The condition of being sensitive to light, either medically (skin or eyes) or in a technical context (materials, electronics).
Abnormal skin reaction to sunlight or UV, often due to medication or condition.
Standard medical term for photosensitivity as a skin condition.
This medication can cause photosensitivity.
Specifically emphasizes sensitivity to sunlight.
People with photosensitivity need sunscreen when going outside.
Descriptive phrase meaning 'skin sensitive to light', used in everyday conversation.
I have photosensitive skin, so I apply sunscreen frequently.
Discomfort or pain in eyes when exposed to light (photophobia).
Medical term for photophobia, often used in ophthalmology.
If you have symptoms of photosensitivity, please see an ophthalmologist.
Common expression meaning 'light is dazzling/bright', used to describe sensitivity.
Abbreviated term sometimes used in medical contexts, but less common than 羞明.
Because of photosensitivity, I can't go without sunglasses.
Property of a material or device that reacts to light.
General term for light sensitivity in technical contexts (e.g., sensors, film).
This sensor has high photosensitivity.
Often used for chemical or photographic sensitivity to light.
Descriptive phrase meaning 'sensitivity to light', used in explanations.
光線過敏症 (こうせんかびんしょう) refers to skin photosensitivity, while 羞明 (しゅうめい) refers to eye photosensitivity (photophobia). Use the appropriate term based on context.
In casual conversation, instead of technical terms, you can describe the condition with phrases like 光に敏感 (ひかりにびんかん) 'sensitive to light' or 光がまぶしい (ひかりがまぶしい) 'light is dazzling'.
My eyes are sensitive to light; I quickly feel dazzled.
This film has very high photosensitivity.
Please adjust the photosensitivity.