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Show 74 LITERATURE ABSTRACTS 5 weeks later showed no systemic involvement. This entity is discussed. Lyn A. Sedwick, M.D. Paroxysmal Eyelid Retractions. Lam BL, Nerad JA, Thompson HS. Am JOphthalmoI1992;114:105-7 Guly). [Inquiries to Dr. J. A. Nerad, Department of Ophthalmology, University of Iowa Hospitals and Clinics, Iowa City, IA 52242.] A 3-year-old boy with bilateral traumatic third nerve palsies subsequently developed isolated episodic upper eyelid retractions approximately 2 years later which resolved in 2 months. No other muscles innervated by the third nerve were involved and the authors contrast this previously unreported phenomenon to ocular neuromyotonia and oculomotor paresis with cyclic spasms. Lyn A. Sedwick, M.D. Superior Rectus Overaction After Cataract Extraction. Grimmett MR, Lambert SR. Am JOphthalmol 1992;114:72-80 Guly). [Reprint requests to Dr. S R. Lambert, Emory Eye Center, Room 5826, 1327 Clifton Rd. N.E., Atlanta, GA 30322.] Four cases of patients with post-cataract surgery ipsilateral overaction of the superior rectus muscle were studied. Other causes of strabismus were diligently excluded, and the authors concluded that these cases resulted from a temporary paralysis or weakening of the antagonist muscle, i.e., inferior rectus, sustained from the retrobulbar anesthetic, which led to overaction of the superior rectus. Lyn A. Sedwick, M.D. Position-Dependent Parinaud's Syndrome. Rismondo V, Borchert M. Am J Ophthalmol 1992;114: 107-8 Guly). [Inquiries to Dr. M. Borchert, Childrens Hospital Los Angeles, 4650 Sunset Blvd., MS88, Los Angeles, CA 90027.] A 47-year-old man had a subdural hematoma in the posterior fossa, which was drained. Eight 'Clin Neuro-ophthalmol. Vol. 13. No. I, 1993 months later he demonstrated Parinaud's syndrome only with his head flexed. Computed tomographic scanning showed a subdural fluid pocket over the left cerebellar hemisphere and distortion of the collicular plate from shift of the cerebellum. The authors believe these CT findings resulted in intermittent compromise of cerebrospinal fluid flow through the third ventricle and compression of the posterior commissure. Lyn A. Sedwick, M.D. Diagnosis of Cavernous Sinus Arteriovenous Fistula by Measurement of Ocular Pulse Amplitude. Golnik KC, Miller NR. Ophthalmology 1992;99:114652 Guly). [Correspondence to Dr. K. C. Golnik, Department of Ophthalmology, Medical College of South Carolina, 171 Ashley Ave, Charleston, SC 29425-2236. ] The authors used ocular pulse amplitude measurement from pneumotonometry readings to show a significant difference in patients with carotid cavernous fistulas. These patients were compared to other patients with orbital and neurologic disease. In all cases ocular pulse amplitudes were elevated only in patients with carotid cavernous fistulas. The authors feel this is a "sensitive, specific, safe, and simple method of identifying patients with both direct and dural cavernous sinus arteriovenous fistulas." Lyn A. Sedwick, M.D. Sudden Visual Loss with Slow Recovery. Slavin ML with comments by Wall M, Katz B. Surv Ophthalmol 1992;37:57-62 Guly-August). [No reprints available. ] A 58-year-old man with sudden complete loss of vision left eye with near total recovery over 2 days is presented. A refractile body was seen in an inferior retinal arteriole. The discussants present their ideas regarding current management of such a patient and briefly review the results of the North American Symptomatic Carotid Endarterectomy Trial. Lyn A. Sedwick, M.D. |
