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Hirschberg test
System: General & Eye–Ear Signs · All general & eye–ear signs
What it is — and how it is elicited
A light shone into both eyes should reflect at the same corresponding point on each cornea; an off-centre reflection in one eye shows a squint (corneal light reflex test).
What a positive finding suggests
Used to detect and roughly grade strabismus (misalignment of the eyes), especially in children.
◈ Behind the name
Julius Hirschberg (1843–1925), German ophthalmologist.
Related signs — General & Eye–Ear Signs
Browse the H section of the A–Z list or return to the Clinical Signs hub.
Please note: This page is an educational reference about clinical examination signs. A clinical sign supports — and never replaces — a full clinical evaluation, examination and appropriate testing. A sign being present does not by itself prove a diagnosis, and an absent sign does not rule one out. If you have symptoms that worry you, see a health professional.