By Kambiz Bahaadinbeigy, Kanagasingam Yogesan (auth.), Kanagasingam Yogesan, Leonard Goldschmidt, Jorge Cuadros (eds.)
Digital retinal imaging played via fundamental care services and nurses, through distant picture interpretation (teleretinal imaging), is swiftly buying a very important position in lots of components of the area because it allows the detection of significant illnesses, resembling diabetic retinopathy and glaucoma, in sufferers who could rather be past the succeed in of a informed ophthalmologist. during this booklet, specialists from all over the world describe how electronic teleretinal screening could be arrange and optimally applied. Technical matters are mentioned, and the correct use of screening for various ailments and in several age teams is defined. the main a part of the e-book attracts upon the medical event of major practitioners in a variety of teleretinal purposes. the result's a accomplished resource of fine quality info for clinicians and different well-being execs who're interested by eye care supply, if you want to verify how teleretinal screening will be utilized to their operating practice.
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Extra resources for Digital Teleretinal Screening: Teleophthalmology in Practice
References 1. Cavallerano J, Lawrence MG, Zimmer-Galler I, Bauman W, Bursell S, Gardner WK, Horton M, Hildebrand L, Federman J, Carnahan L, Kuzmak P, Peters JM, Darkins A, Ahmed J, Aiello LM, Aiello LP, Buck G, Cheng YL, Cunningham D, Goodall E, Hope N, Huang E, Hubbard L, Janczewski M, Lewis JW, Matsuzaki H, McVeigh FL, Motzno J, ParkerTaillon D, Read R, Soliz P, Szirth B, Vigersky RA, Ward T, American Telemedicine Association, Ocular Telehealth Special Interest Group, National Institute of Standards and Technology Working Group (2004) Telehealth practice recommendations for diabetic retinopathy.
Several studies have been published evaluating the detection and grading of diabetic retinopathy. 65) in the grading of diabetic retinopathy, 12% of the images were ungradable. Most of these ungradable images were a result of reduced stereo quality and therefore affected the evaluation of macular oedema . Chow et al.  also compared their non-mydriatic imaging in the detection of non-diabetic eye disease in diabetic patients to a dilated ophthalmic examination. 7% of patients, such as retinal emboli, chorioretinal atrophy or scars, choroidal lesions, epiretinal membranes, indicators of glaucoma, hypertensive retinopathy, age-related maculopathy and cataracts.
They found that high compression of 80:1 markedly reduced image quality and that a compression of 30:1 could be suitable for telemedicine and the archiving of images. 1 University of Alberta This teleophthalmology system has been in use for many years and has been used to evaluate diabetic retinopathy, glaucoma and age-related macular degeneration [22–24, 29, 31]. This system captures non-simultaneous stereoscopic images of the disc and macula (ETDRS ﬁelds 1 and 2) and nonstereoscopic images of the periphery (ﬁelds 3–7).