Marcus Gunn Pupil
A pupil that responds by constricting more to an indirect than to a direct light, seen with unilateral optic nerve or retinal disease
A pupil that responds by constricting more to an indirect than to a direct light, seen with unilateral optic nerve or retinal disease
Robert Marcus Gunn (1850-1909) was a Scottish Ophthalmologist. Marcus Gunn pupillary phenomenon (1902), aka relative afferent pupillary defect or RAPD
Biographical Timeline Medical Eponyms Young–Helmholtz Trichromatic Theory of Colour Vision Helmholtz expanded on the earlier hypothesis of Thomas Young (1773–1829), who proposed that human colour vision relied on three types of retinal receptors. In the mid-1850s, Helmholtz refined this into…
Biography Born 6 August 1869 Bremen, Germany Died 11 May 1954, Stuttgart, Germany Key Medical Attributions Medical Eponyms Kayser-Fleischer Ring (1902, 1903) Controversies Major Publications Kayser B. Ueber einen Fall von angeborener grünlicher Verfärbung der Cornea. Klinische Monatsblatter für Augenheilkunde. 1902;40(2):22-25…
Description What is the actual eponymous medical sign/syndrome/repair/classification… History 1902 Kayser 1903 – Fleischer description in the same journal, a year after Kayser. His contribution went beyond that of Kayser, he recognised that the ring was a marker for a…
Douglas Moray Cooper Lamb Argyll Robertson (1837–1909) was a Scottish surgeon and ophthalmologist. Eponym: Argyll Robertson pupils
Albrecht von Gräfe (1828 – 1870) was a German ophthalmologist. Founder of scientific ophthalmology, Graefe sign (1864)
John Dalrymple (1803-1852) English surgeon and ophthalmologist. Dalrymple sign (1952) relating to Graves disease; dissection and histology of first case of multiple myeloma with Bence Jones (1846)
Dalrymple sign: Widened palpebral tissue (lid retraction) or lid spasm seen in thyrotoxicosis (Graves disease) by John Dalrymple (1852)
Stellwag Sign: decreased, incomplete or infrequent blinking in patients with exophthalmic goitre (Graves-Basedow disease). Stellwag sign may also seen in progressive supranuclear palsy, and in dysthyroid eye disease
A 3 year-old boy is brought to the emergency department by his father after coming second best in a head versus chair collision. Eyelid laceration
A 35 year-old martial artist presents with loss of vision in his right eye after being on the wrong end of a spinning back fist. Can you save his eyesight?