Marcus Gunn pupil sign

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• Marcus Gunn pupil — Classification and external resources The left optic nerve and the optic tracts. A Marcus Gunn pupil indicates an afferent defect, usually at the level of the retina or optic nerve. Moving a bright light from the unaffected eye to the affect …   Wikipedia

• Gunn crossing sign dots pupil etc. — (gun) [Robert Marcus Gunn, British ophthalmologist, 1850–1909] see under dot, sign, and syndrome; see Marcus Gunn pupil, under pupil; and see Marcus Gunn pupillary phenomenon, under phenomenon …   Medical dictionary

• Marcus Gunn phenomenon — For the pupillary defect, see Marcus Gunn pupil. Marcus Gunn phenomenon Classification and external resources Nerves of the orbit, and the ciliary ganglion. Side view. (Trigeminal nerve and oculomotor nerve both …   Wikipedia

• Marcus Gunn pupillary phenomenon — with unilateral optic nerve or retinal disease, a difference between the pupillary reflexes of the two eyes when a light is shone alternately into each one with the other eye covered; on the affected side there is abnormally slight contraction or …   Medical dictionary

• Robert Marcus Gunn — (1850, Dunnet – 29 November 1909, Hindhead) was a Scottish ophthalmologist remembered for Gunn s sign and the Marcus Gunn pupil. Contents 1 Biography 2 See Also 3 External links …   Wikipedia

• Sign — Any abnormality that indicates a disease process, such as a change in appearance, sensation, or function, that is observed by a physician when evaluating a patient. * * * 1. Any abnormality indicative of disease, discoverable on examination of… …   Medical dictionary

• Gunn — Robert Marcus, British ophthalmologist, 1850–1909. See G. phenomenon, G. dots, under dot, G. sign, G. syndrome, Marcus G. pupil …   Medical dictionary

• Argyll Robertson pupil — Classification and external resources ICD 10 A52.1, H58.0 ICD 9 …   Wikipedia

• Dalrymple's sign — is a widened palpebral (eyelid) opening, or eyelid spasm, seen in thyrotoxicosis (as seen in Graves disease, exophthalmic Goitre and other hyperthyroid conditions), causing abnormal wideness of the palpebral fissure. As a result of the retraction …   Wikipedia

• Ptosis (eyelid) — For other uses, see Ptosis (disambiguation). Not to be confused with proptosis. Ptosis of the eyelids Classification and external resources Ptosis of the left eyelid (unilateral ptosis) in an unidentified male from the 19th century …   Wikipedia

• Cycloplegia — Classification and external resources Cycloplegia caused by Cyclopentolate 1% instilled into both eyes ICD 10 H …   Wikipedia