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1 General aspects (0)   1.1 Epidemiology (5)   1.2 Population genetics (15)   1.3 Pathogenesis (6)   1.4 Quality of life (5)   1.5 Glaucomas as cause of blindness (0)   1.6 Prevention and screening (5) 2 Anatomical structures in glaucoma (0)   2.1 Conjunctiva (2)   2.2 Cornea (3)   2.3 Sclera (0)   2.4 Anterior chamber angle (0)   2.5 Meshwork (16)     2.5.1 Trabecular meshwork (0)     2.5.2 Schlemms canal (0)     2.5.3 Scleral outlet channels (0)   2.6 Aqueous humor dynamics (5)     2.6.1 Production (0)     2.6.2 Outflow (0)       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 (1)   2.12 Choroid, peripapillary choroid, peripapillary atrophy (1)   2.13 Retina and retinal nerve fibre layer (14)   2.14 Optic disc (16)   2.15 Optic nerve (0)   2.16 Chiasma and retrochiasmal central nervous system (0)   2.17 Stem cells (0)   2.20 Other (0) 3 Laboratory methods (9)   3.1 Microscopy (0)   3.2 Electron microscopy (3)   3.3 Immunohistochemistry (1)   3.4 Molecular genetics (1)     3.4.1 Linkage studies (0)     3.4.2 Gene studies (0)   3.5 Molecular biology incl. 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Abstract #8142 Published in IGR 4-3

Digital camera system to perform infrared photography of iris transillumination

Chan EC; Roberts DK; Loconte DD; Wernick MN
Journal of Glaucoma 2002; 11: 426-428

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The authors modified a standard digital camera by replacing an internal infrared-blocking filter that allowed photography of iris transillumination defects. Visible and infrared light was produced with a halogen fiberoptic light source that was placed against the inferior eyelid and directed perpendicular to the globe. To obtain images, the camera was mounted to a tabletop tripod placed three to five inches from a chin/headrest apparatus. Images were downloaded onto a personal computer via software and accessories provided by the camera manufacturer. This technique, which is convenient and produces high quality, color images, can highlight details of the normal and pathologic iris. It may have significant utility in clinical research as well as routine clinical care.

E.C. Chan, Illinois Eye Institute, Illinois College of Optometry, Chicago, IL 60616, USA

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Classification:

6.8.1 Anterior segment (Part of: 6 Clinical examination methods > 6.8 Photography)

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