An illuminated Luedde Exophthalmometer.
A new type of Luedde exophthalmometer is available. It is constructed of a plastic rule attached to an ophthalmic penlight that serves as both illumination and a handle.
D005094:Exophthalmos / Q000175:diagnosis*; D006801:Humans; D009885:Ophthalmology / Q000295:instrumentation*