Electrodiagnosis, Toxic Agents And Vision: 15th I.s.c.e.v. Symposium Ghent, Belgium, June 20?23, 1977 (documenta Ophthalmologica Proceedings Series)

Front Matter....Pages i-vii Opening Address....Pages 1-2 The Mode of Action of Neurotoxins and some Common Chemicals upon the Electrophysiological Properties of Perfused Mammalian Retinas....Pages 3-11 On the Effect of Urethane and Halothane® on the ERG of Rats....Pages 13-19 The Effects of Anesthetics on the ERG and EOG....Pages 21-30 Effect of Anesthetics on Rats’ ERG in vivo....Pages 31-37 Drug Effects on B-Wave Amplitude and on Readaptation after Glare....Pages 39-44 Intravitreal Injection of Gentamicin-Experimental Findings....Pages 45-52 Zinc — Its Effect on the Oscillatory Potential....Pages 53-58 Changes of the ERG in Rabbits Intravitreally Treated with Blood....Pages 59-62 Surface Area Sizes of Intravitreal Copper Particles: their Effects on the ERG of Rabbits and Rats....Pages 63-67 Electrophysiology in Experimental Siderosis: a Follow-up Study after Removal of Intraocular Foreign Body....Pages 69-72 Experimental Study of Siderosis....Pages 73-76 Extending Retinal Impairment following Iron Intraocular Foreign Body....Pages 77-83 Threshold ERG Study of Experimentally induced Metallosis....Pages 85-90 Thioridazine (Mellaril R ) Ocular Toxicity....Pages 91-94 The ERG of Chloroquine induced Retinopathy: the Prognostic Significance of Abnormalities on the ERG....Pages 95-100 Follow-up in a Case of Retinopathy more than 10 Years after Stopping Chloroquine Therapy....Pages 101-105 Toxic Retinopathy in Malaria Tropica....Pages 107-109 Toxic Retinopathy induced by Sodium Iodate in Rabbits: Correlation between Electroretinography, Vitamin A levels in Blood, Electronmicroscopic Histology and Colour Fluorescein Angiography....Pages 111-118 Slow off-effects of the Human D.C. Registered ERG....Pages 119-126 Ethanol-induced Changes in a Slow off-effect (the h-Wave) of the Human D.C. Registered ERG....Pages 127-132 The Influence of Ethanol on Retinal Oscillatory Potentials....Pages 133-141 Changes induced by Gangliosides on the C-Wave in the Rabbit....Pages 143-145 Clinical Electro-Oculography: Optimum Illumination Levels for the Light-Adaptation Phase....Pages 147-148 The Initial Phase of the EOG-Oscillation....Pages 149-150 The Initial Phase of the EOG-Oscillation in Ischemic Retinopathy....Pages 151-153 Electro-Oculographic Investigations in Central Retinal Vessel Occlusions....Pages 155-157 Some Considerations regarding the Effect of Antimalarial Drugs on the EOG and the ‘Macular Eog’....Pages 159-163 Visual evoked Responses to Square Wave Reversing Patterns....Pages 165-172 Unfamiliar Effects of Flicker on the Human EEG....Pages 173-178 Electro-Perimetry by means of the Scotopic VECP....Pages 179-187 The Optic Nerve in Endocrine Orbitopathy....Pages 189-191 The Visual evoked Potential in Patients with Cataracts....Pages 193-201 The ERG and VEP in Patients with Severe Eye Injury....Pages 203-209 Preoperative Evaluation of Traumatic Eye Lesions with Visual evoked Cortical Potentials in Response to Sine Wave Modulated Light....Pages 211-219 Optic Neuropathy due to Alcohol Abuse and evoked Cortical Potentials....Pages 221-225 Visual evoked Response Anomalies in a Patient with Friedreich’s Ataxia....Pages 227-232 Invariances of the Cone-Dominated ERG (Tree Shrew and Man)....Pages 233-233 ERG Components of the Chicken Retina....Pages 235-242 Changes in ERG Wave form of the Isolated Bovine Eye during Long Term Perfusion....Pages 243-249 GABA and Taurine: Implication in Organization of Receptive Fields of Ganglion Cells in the Frog Retina....Pages 251-255 Electroretinographic findings in Chronic Uraemics treated with Periodic Haemodialysis....Pages 257-263 Case Report of a Family with Sectoral Retinal Pigmentary Dystrophy....Pages 265-277 Studies on the Early Receptor Potential in the Human Eye....Pages 279-283 Functional and Histological Measures of Retinal Damage in Chronic Light Exposure....Pages 285-295 Photocoagulation and the Electroretinogram....Pages 297-301 Electrophysiological Studies before and after Argon Laser Photocoagulation in Diabetic Retinopathy....Pages 303-306 Electrodiagnosis in Doubtful Photic Injury to the Retina....Pages 307-311 Macular Recovery from Dazzle (Photostress) in Normal Women on Birth Control Pills (BCP)....Pages 313-316 Standardized Electro-Ophthalmography by using Self-Calibrating Equipment....Pages 317-318 Testing in Electrophysiology....Pages 319-321 A New Instrumentation for ERG and VER Recording under Clinical Conditions....Pages 323-336 A New Electrode for ‘Ganzfeld’ ERG....Pages 337-338 Gold-Coated Mylar™ (GCM) Electrode for Electroretinography....Pages 339-343 Front Matter....Pages i-vii Opening Address....Pages 1-2 The Mode of Action of Neurotoxins and some Common Chemicals upon the Electrophysiological Properties of Perfused Mammalian Retinas....Pages 3-11 On the Effect of Urethane and Halothane® on the ERG of Rats....Pages 13-19 The Effects of Anesthetics on the ERG and EOG....Pages 21-30 Effect of Anesthetics on Rats’ ERG in vivo....Pages 31-37 Drug Effects on B-Wave Amplitude and on Readaptation after Glare....Pages 39-44 Intravitreal Injection of Gentamicin-Experimental Findings....Pages 45-52 Zinc — Its Effect on the Oscillatory Potential....Pages 53-58 Changes of the ERG in Rabbits Intravitreally Treated with Blood....Pages 59-62 Surface Area Sizes of Intravitreal Copper Particles: their Effects on the ERG of Rabbits and Rats....Pages 63-67 Electrophysiology in Experimental Siderosis: a Follow-up Study after Removal of Intraocular Foreign Body....Pages 69-72 Experimental Study of Siderosis....Pages 73-76 Extending Retinal Impairment following Iron Intraocular Foreign Body....Pages 77-83 Threshold ERG Study of Experimentally induced Metallosis....Pages 85-90 Thioridazine (Mellaril R ) Ocular Toxicity....Pages 91-94 The ERG of Chloroquine induced Retinopathy: the Prognostic Significance of Abnormalities on the ERG....Pages 95-100 Follow-up in a Case of Retinopathy more than 10 Years after Stopping Chloroquine Therapy....Pages 101-105 Toxic Retinopathy in Malaria Tropica....Pages 107-109 Toxic Retinopathy induced by Sodium Iodate in Rabbits: Correlation between Electroretinography, Vitamin A levels in Blood, Electronmicroscopic Histology and Colour Fluorescein Angiography....Pages 111-118 Slow off-effects of the Human D.C. Registered ERG....Pages 119-126 Ethanol-induced Changes in a Slow off-effect (the h-Wave) of the Human D.C. Registered ERG....Pages 127-132 The Influence of Ethanol on Retinal Oscillatory Potentials....Pages 133-141 Changes induced by Gangliosides on the C-Wave in the Rabbit....Pages 143-145 Clinical Electro-Oculography: Optimum Illumination Levels for the Light-Adaptation Phase....Pages 147-148 The Initial Phase of the EOG-Oscillation....Pages 149-150 The Initial Phase of the EOG-Oscillation in Ischemic Retinopathy....Pages 151-153 Electro-Oculographic Investigations in Central Retinal Vessel Occlusions....Pages 155-157 Some Considerations regarding the Effect of Antimalarial Drugs on the EOG and the ‘Macular Eog’....Pages 159-163 Visual evoked Responses to Square Wave Reversing Patterns....Pages 165-172 Unfamiliar Effects of Flicker on the Human EEG....Pages 173-178 Electro-Perimetry by means of the Scotopic VECP....Pages 179-187 The Optic Nerve in Endocrine Orbitopathy....Pages 189-191 The Visual evoked Potential in Patients with Cataracts....Pages 193-201 The ERG and VEP in Patients with Severe Eye Injury....Pages 203-209 Preoperative Evaluation of Traumatic Eye Lesions with Visual evoked Cortical Potentials in Response to Sine Wave Modulated Light....Pages 211-219 Optic Neuropathy due to Alcohol Abuse and evoked Cortical Potentials....Pages 221-225 Visual evoked Response Anomalies in a Patient with Friedreich’s Ataxia....Pages 227-232 Invariances of the Cone-Dominated ERG (Tree Shrew and Man)....Pages 233-233 ERG Components of the Chicken Retina....Pages 235-242 Changes in ERG Wave form of the Isolated Bovine Eye during Long Term Perfusion....Pages 243-249 GABA and Taurine: Implication in Organization of Receptive Fields of Ganglion Cells in the Frog Retina....Pages 251-255 Electroretinographic findings in Chronic Uraemics treated with Periodic Haemodialysis....Pages 257-263 Case Report of a Family with Sectoral Retinal Pigmentary Dystrophy....Pages 265-277 Studies on the Early Receptor Potential in the Human Eye....Pages 279-283 Functional and Histological Measures of Retinal Damage in Chronic Light Exposure....Pages 285-295 Photocoagulation and the Electroretinogram....Pages 297-301 Electrophysiological Studies before and after Argon Laser Photocoagulation in Diabetic Retinopathy....Pages 303-306 Electrodiagnosis in Doubtful Photic Injury to the Retina....Pages 307-311 Macular Recovery from Dazzle (Photostress) in Normal Women on Birth Control Pills (BCP)....Pages 313-316 Standardized Electro-Ophthalmography by using Self-Calibrating Equipment....Pages 317-318 Testing in Electrophysiology....Pages 319-321 A New Instrumentation for ERG and VER Recording under Clinical Conditions....Pages 323-336 A New Electrode for ‘Ganzfeld’ ERG....Pages 337-338 Gold-Coated MylarTM (GCM) Electrode for Electroretinography....Pages 339-343 We have registered the ERG in 26 chronic uraemics treated with periodic haemodialysis, nearly always finding a subnormal b-wave. In 11 chronic uraemics treated only with dietetic-conservative therapy, the electroretino gram resulted only slightly reduced and with a voltage clearly superior to that of the previous group. REFERENCES Agzamova, H.S. Tonographic values in patients with chronic renal insufficiency. Of tal. Zh. 20: 32-34 (1975). Berlyne, G.M. Microcrystalline conjunctival calcification in renal failure. Lancet II: 366-370 (1968). Biagini, M. & E.M. Gloria. Comportamento della pressione intraoculare durante emo dialisi in pazienti affetti da uremia cronica. Ann. Ottal. 93: 705-713 (1967). Boudet, Ch., B. Arnaud & D. Pincemin. Cataracte au cours d'h'emodialyses (dans les insuffisances renales chroniques). Bull. Soc. Ophtal. France 73: 199-205 (1973). Burn, R.A. Intraocular pressure during haemodialysis. Br. I. Ophthal. 57: 511-513 (1973). Cavallacci, G., G. Tota & A. Wirht. Studio sperimentale sull'effetto della difenilidan toina sull'Elettroretinogramma. Ann. Ottal. 100: 560-568 (1974). Demco, T.A., A.Q. McCormick & J.S.F. Richards. Conjunctival and corneal changes in chronic renal failure. Can. I. Ophthal. 9: 208-213 (1974). Deodati, F., P. Bec, M. Camezind & J .B. Labro. Les manifestations oculaires au cours de l'hemodialyse periodique. Bull. Soc. Ophtal. France 71: 87-92 (1971). Ehlers, N., F. Kruse Hansen, H.E. Hansen & O.A. Jensen. Corneoconjunctival changes in uremia. Acta Ophthal. Kbh. 50: 83-94 (1972) 15th ISCEV Symposium held at Ghent, Belgium, June 20-23, 1977