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1 General aspects (0)   1.1 Epidemiology (2)   1.2 Population genetics (1)   1.3 Pathogenesis (3)   1.4 Quality of life (2)   1.5 Glaucomas as cause of blindness (3)   1.6 Prevention and screening (5) 2 Anatomical structures in glaucoma (0)   2.1 Conjunctiva (0)   2.2 Cornea (19)   2.3 Sclera (0)   2.4 Anterior chamber angle (1)   2.5 Meshwork (0)     2.5.1 Trabecular meshwork (12)     2.5.2 Schlemms canal (1)     2.5.3 Scleral outlet channels (0)   2.6 Aqueous humor dynamics (2)     2.6.1 Production (0)     2.6.2 Outflow (1)       2.6.2.1 Trabecular meshwork (0)       2.6.2.2 Uveoscleral (0)     2.6.3 Compostion (0)   2.7 Episcleral veins and venous pressure (0)   2.8 Iris (0)   2.9 Ciliary body (0)   2.10 Lens (0)   2.11 Vitreous body (0)   2.12 Choroid, peripapillary choroid, peripapillary atrophy (1)   2.13 Retina and retinal nerve fibre layer (8)   2.14 Optic disc (10)   2.15 Optic nerve (2)   2.16 Chiasma and retrochiasmal central nervous system (0)   2.17 Stem cells (0)   2.20 Other (0) 3 Laboratory methods (0)   3.1 Microscopy (1)   3.2 Electron microscopy (3)   3.3 Immunohistochemistry (5)   3.4 Molecular genetics (0)     3.4.1 Linkage studies (10)     3.4.2 Gene studies (6)   3.5 Molecular biology incl. 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tube implant (8)     12.8.2 With tube implant or other drainage devices (11)     12.8.3 Non-perforating (4)     12.8.4 Using laser (0)     12.8.5 Other (0)     12.8.10 Woundhealing antifibrosis (11)     12.8.11 Complications, endophthalmitis (9)   12.9 Trabeculotomy, goniotomy (1)   12.10 Cyclodestruction (4)   12.11 Cyclodialysis (0)   12.12 Cataract extraction (0)     12.12.1 Intracapsular (0)     12.12.2 Extracapsular (0)     12.12.3 Phacoemulsification (9)   12.14 Combined cataract extraction and glaucoma surgery (0)     12.14.1 Intracapsular (0)     12.14.2 Extracapsular (0)     12.14.3 Phacoemulsification (1)   12.15 Capsulotomy (0)   12.16 Vitrectomy (1)   12.17 Anesthesia (1)   12.20 Other (2) 13 Therapeutic prognosis and outcome (0)   13.1 Prognostic factors (0)   13.2 Outcome (0)     13.2.1 IOP (0)     13.2.2 Visual field (0)       13.2.2.1 Progression (0)       13.2.2.2 Improvement (0)     13.2.3 Other (0) 14 Costing studies; pharmacoeconomics (6) 15 Miscellaneous (6)

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Abstract #13605 Published in IGR 8-2

A new method of duplication of the chronic intraocular hypertension model: Underwater electrocoagulation

Lu H-B; Li Y; Yuan Y-S; Luo Q-L
International Journal of Ophthalmology 2005; 5: 1090-1092

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AIM: To study the experimental method of inducing the chronic intraocular hypertension in rat eyes. METHODS: Twenty Wistar rats were randomly divided into ocular hypertension and Sham control groups. Intraocular pressure (IOP) was raised by electrocoagulating at least three episcleral and limbal veins on the right eye of each rat in ocular hypertension group and its contralateral eye was used as control. At 1, 2, 3, 4 and 8 weeks after the electrocoagulation of the veins, IOP were measured. RESULTS: The treatment of electrocoagulation caused a significant IOP increase of the right eyes over the baseline, over the contralateral eyes, and over the sham control eyes (repeated measures ANOVA, P < 0.001). At 1 week, the IOP was 30.12 ± 5.18 mmHg (1kPa = 7.5 mmHg), and the high IOP maintained up to 8 weeks. CONCLUSION: The chronic intraocular hypertension model could be successfully created by electrocoagulating three or more episcleral and limbal veins.

Dr. H.-B. Lu, Department of Ophthalmology, West China Hospital, Sichuan University, Chengdu 610041 Sichuan Province, China

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Classification:

5 Experimental glaucoma; animal models

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