By Veit Peter Gabel
This e-book offers and analyses the newest examine devoted to restoring imaginative and prescient in people who are seriously impaired or blind from retinal ailment or damage. it truly is written by means of the top teams all over the world who're on the vanguard of constructing synthetic imaginative and prescient. The e-book starts via discussing the problems in evaluating and reading practical ends up in the world of very low imaginative and prescient and the relevant customers and boundaries of spatial solution with man made instruments. extra on, chapters are integrated by means of researchers who stimulate the skin or the pigment epithelial facet of the retina and by means of specialists who paintings on stimulating the optic nerve, the lateral geniculate physique and the superficial layers of the visible cortex.
Artificial imaginative and prescient: A medical consultant collates the newest paintings of key synthetic imaginative and prescient study teams to give an explanation for in a similar and stringent order their various techniques, the scientific or preclinical results and their achievements over the past years. Senior ophthalmic fellows and educational practitioners will locate this advisor to be an vital source for figuring out the present prestige of synthetic imaginative and prescient.
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Extra resources for Artificial Vision: A Clinical Guide
2010;51(2): 1255–60. 10. Geruschat DR, Deremeik J. Activities of daily living and rehabilitation with prosthetic vision. In: Dagnelie G, editor. Visual prosthetics: physiology, bioengineering, rehabilitation. New York: Springer Science & Business Media; 2011. p. 413–25. 11. Stingl K, Bartz-Schmidt KU, Besch D, Braun A, Bruckmann A, Gekeler F, et al. Artificial vision with wirelessly powered subretinal electronic implant alpha-IMS. Proc Biol Sci. 2013;280(1757):20130077. 12. Bailey IL, Jackson AJ, Minto H, Greer RB, Chu MA.
6) is also the one who performed best in the clinical trial. It has been suggested that the dynamic or “fading” behavior of percepts might be due to the stabilization of the stimulation pattern on the retina . In other words, the lack of eye movements allowing to constantly “refresh” the electrical image provided to the retina by the implant would result in neural adaptation leading to some kind of Troxler’s “filling-in” [48, 49]. Our results do not allow confirming or rejecting this hypothesis.
Are state of the art, commercially available devices are really useful for their wearers? In a functional low-vision observer rated assessment, 65 % of the participating Argus II patients (N = 23) reported a positive or mild positive effect 3 years after implantation . This does not really tell much about the utility of the device in daily living which can probably best be estimated by analyzing the effective time the devices are used by the patients (on their own). ). This suggests that about one third of these users really benefit from the device.