OCR Text |
Show LITERATURE ABSTRACTS 67 this is a safe and effective treatment option in such cases. LYII A. Sedwick, M. D. Acute Idiopathic Blind Spot Enlargement: A Spectrum of Disease. Singh K, de Frank MP, Shults WT, Watzke RC. Opllthall1l( lI( l~ Y 1991; 98: 497- 502 ( Apr). [ No reprint information given.] The authors present 10 patients with acute idiopathic blind spot enlargement who had no disc edema. Only 3 patients had multiple evanescent white dot syndrome, and 1 had an acute macular neuroretinopathy. The authors propose that multiple evanescent white dot syndrome is a subset of acute idiopathic big blind spot syndrome, not vice versa, as has been previously proposed. LYII A. Sedwick, M. D. Color Doppler Imaging Provides Accurate Assessment of Orbital Blood Flow in Occlusive Carotid Artery Disease. Lieb WE, Flaharty PM, Sergott RC, Medlock RD, Brown GC, Bosley T, Savino PJ. Ophthalmology 1991; 98: 548- 52 ( Apr) [ Reprint requests to Dr. R. C. Sergott, Neuro- Ophthalmology Service, Wills Eye Hospital, Ninth and Walnut Streets, Philadelphia, PA 19107.] Color Doppler Imaging: A New Noninvasive Technique to Diagnose and Monitor Carotid Cavernous Sinus Fistulas. Flaharty PM, Lieb WE, Sergott RC, Bosley TM, Savino PJ. Arch Ophtlwlmol 1991; 109: 522- 6 ( Apr). [ Reprint requests to Dr. R. C. Sergott, Neuro- Ophthalmology Service, Wills Eye Hospital, Ninth and Walnut Streets, Philadelphia, PA 19107.) Color Doppler Imaging of the Eye and Orbit: Technique and Normal Vascular Anatomy. Lieb WE, Cohen SM, Merton DA, Shields JA, Mitchell DG, Goldberg BB. Arch OphthalmoI1991; 109: 527- 31 ( Apr). [ Reprint requests to Dr. J. A. Shields, Oncology Service, Wills Eye Hospital, Ninth and Walnut Streets, Philadelphia, PA 19107.] Doppler Ultrasonography of the Ophthalmic and Central Retinal Vessels. Guthoff RF, Berger RW, Winkler P, Helmke K, Chumbley LC. Arch Ophthalmol 1991; 109: 532- 6 ( Apr). [ Reprint requests to Dr. R. F. Guthoff, Hamburg University Eye Hospital, Eppendorf, Martini Str 52, 2000 Hamburg 20, Federal Republic of Germany.] Color Doppler Imaging of Superior Ophthalmic Vein Thrombosis. Flaharty PM, Phillips W, Sergott RC, Stefanyszyn M, Bosley T, Savino PJ. Arch OphthalmoI1991; 109: 582- 3 ( Apr). [ No reprint information given.] These articles describe a new technology for orbital vascular imaging and show the utility of the testing in carotid cavernous fistula, superior ophthalmic vein thrombosis, and internal carotid artery occlusion. The transducer probe rests on closed eyelids; structures with blood flow toward the probe appear red ( arterial) and away from the probe appear blue ( venous). In carotid cavernous fistula, the superior ophthalmic vein appears enlarged and red, indicating the abnormal arterialized blood flow. In superior ophthalmic vein thrombosis, the vein is also enlarged but is blue, and other orbital veins show reversal of flow from shunting. The color Doppler pictures are very clear and easy to understand. This is an interesting technology that may save patients from more invasive vascular studies. LYIl A. Sedwick, M. D. The Representation of the Visual Field in Human Striate Cortex: A Revision of the Classic Holmes Map. Horton JC, Hoyt WF. Arch Ophthalmol1991; 109: 81~ 24 Oune). [ Reprint requests to J. C. Horton, Neuro- Ophthalmology Unit, U- 125, University of California San Francisco, San Francisco, CA 94143- 0350. ] Three patients are presented with scotomatous central, peripheral, and macular sparing and bilateral peripheral homonymous hemianopic defects from magnetic resonance imaged occipital lobe lesions. The authors use these data to revise the classic Holmes map of the presumed field representation of the primary visual cortex in favor of increased central and decreased peripheral representation. LYIl A. Sedwick, M. D. Primary Orbital Intraosseous Hemangioma. Relf Sj, Bartley GB, Unni KK. Ophthalmology 1991; 98: 541- 7 ( Apr). [ Reprint requests to Dr. G. B. Bartley, Department of Ophthalmology, Mayo Clinic, 200 First Street, S. W., Rochester, MN 55905.] I Clin Neuro- ophthalmol, Vol. 12, No. 1, 1992 |