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1 General aspects (0)   1.1 Epidemiology (10)   1.2 Population genetics (0)   1.3 Pathogenesis (0)   1.4 Quality of life (5)   1.5 Glaucomas as cause of blindness (6)   1.6 Prevention and screening (5) 2 Anatomical structures in glaucoma (0)   2.1 Conjunctiva (7)   2.2 Cornea (15)   2.3 Sclera (4)   2.4 Anterior chamber angle (1)   2.5 Meshwork (0)     2.5.1 Trabecular meshwork (3)     2.5.2 Schlemms canal (0)     2.5.3 Scleral outlet channels (0)   2.6 Aqueous humor dynamics (0)     2.6.1 Production (0)     2.6.2 Outflow (2)       2.6.2.1 Trabecular meshwork (1)       2.6.2.2 Uveoscleral (0)     2.6.3 Compostion (4)   2.7 Episcleral veins and venous pressure (0)   2.8 Iris (0)   2.9 Ciliary body (1)   2.10 Lens (0)   2.11 Vitreous body (0)   2.12 Choroid, peripapillary choroid, peripapillary atrophy (0)   2.13 Retina and retinal nerve fibre layer (14)   2.14 Optic disc (21)   2.15 Optic nerve (2)   2.16 Chiasma and retrochiasmal central nervous system (0)   2.17 Stem cells (1)   2.20 Other (0) 3 Laboratory methods (0)   3.1 Microscopy (0)   3.2 Electron microscopy (0)   3.3 Immunohistochemistry (1)   3.4 Molecular genetics (0)     3.4.1 Linkage studies (2)     3.4.2 Gene studies (19)   3.5 Molecular biology incl. 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(19)

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Abstract #21046 Published in IGR 10-2

Nitrous oxide inhalation anaesthesia in the presence of intraocular gas can cause irreversible blindness

Lockwood AJ; Yang YF
Brit Dent J 2008; 204: 247-248

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Nitrous oxide inhalation sedation is frequently used in dental and other surgical procedures. We report the case of a patient with intraocular gas who developed sudden elevation in intraocular pressure and blindness as a result of nitrous oxide anaesthesia. All medical and dental personnel administering nitrous oxide inhalation should be aware that this is contraindicated in patients with intraocular gas.

Dr. A.J. Lockwood, Department of Ophthalmology, Queen Alexandra Hospital, Portsmouth, PO6 3LY, UK

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Classification:

12.17 Anesthesia (Part of: 12 Surgical treatment)

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