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Show LITERATURE ABSTRACTS 147 108: 461- 2 ( Oct). [ Inquiries to Dr. N. J. Newman, Neuro- ophthalmology Unit, Massachusetts Eye and Ear Infirmary, 243 Charles Street, Boston, MA 02114.] Two patients with spasm of the near reflex demonstrated dilation of either pupil with the other eye occluded and improvement of ocular motility, all consistent with the functional nature of the impairment. Lyn A. Sedwick, M. D. Isolated Abducens Nerve Paresis from Intrapontine, Fascicular Abducens Nerve Injury. Johnson LN, Hepler RS. Am J Ophthalmol 1989; 108: 459- 60 ( Oct). [ Inquiries to Dr. L. N. Johnson, NeuroOphthalmology Division, Penn State University Ophthalmology Department, Penn State University, Hershey, PA 17033.] Two cases of isolated sixth nerve palsy are presented, both with intrapontine pathology on magnetic resonance scanning. Very nice magnetic resonance images are given. Lyn A. Sedwick, M. D. Homonymous Hemianopia and Pattern Onset Hemifield Visual Evoked Potentials. Bell RA, Biersdorf WR, Beck RW. Arch Ophthalmol1989; 107: 1429- 30 ( Oct). [ No reprint information given.] The authors used hemifield visual evoked potentials to confirm an organic homonymous hemianopia in a patient with upcoming litigation and functional overlay on her examination. Lyn A. Sedwick, M. D. Medial Rectus Injury after Pterygium Excision. Raab EL, Metz HS. Arch Ophthalmol 1989; 107: 1428 ( Oct). [ No reprint information given.] Three cases are described in which double vision after pterygium surgery was found to be secondary to medial rectus disinsertion. All three were surgically reattached and did well. Lyn A. Sedwick, M. D. Orbital Amyloidosis Involving the Extraocular Muscles. Erie JC, Garrity JA, Norman ME. Arch Ophthalmol 1989; 107: 1428- 9 ( Oct). [ No reprint information given.] A 28- year- old woman with unilateral proptosis and diplopia was found to have amyloid infiltration of her extraocular muscles on biopsy without systemic evidence of the disease. A nice coronal and axial orbital computerized tomographic picture is included. Lyn A. Sedwick, M. D. Entopic Phenomena in Pregeniculate and Postgeniculate Hemianopsia with Splitting of Macula by Perimetry. Manor RS. Am J Ophthalmol 1989; 108: 585- 91 ( Nov). [ Reprint requests to Dr. R. S. Manor, Neuro- Ophthalmologic Unit, Beilinson Medical Center 49100, Petah Tikva, Israel.] Patients with pregeniculate or postgeniculate hemianopsia were studied with Haidinger brushes figure and asked to draw what they saw. Patients with pregeniculate lesions tended to demonstrate macular splitting both on standard perimetry and with this test, whereas those with postgeniculate lesions tended to demonstrate macular sparing on both tests. Lyn A. Sedwick, M. D. The Clinical Utility of Visual- Evoked Potential Acuity Testing. Steele M, Seiple WH, Carr RE, Klug R. Am J Ophthalmol 1989; 108: 572- 7 ( Nov). [ Reprint requests to Dr. W. H. Seiple, Department of Ophthalmology, New York University Medical Center, New York, NY 10016.] The authors used pattern visual- evoked potentials in normals, uncorrected myopes, and a variety of retinal and optic nerve disorders to establish a correlation between visual acuity potential as predicted by the evoked potentials and actual visual acuity. They found then that patients with functional visual loss had a poor correlation between claimed visual acuity and projected visual acuity from their evoked potentials. Lyn A. Sedwick, M. D. J Clin Neuro- aphthalmol. Vol. 10. No. 2. 1990 |