Artificial Sight: Basic Research, Biomedical Engineering, by Hossein Ameri, James D. Weiland, Mark S. Humayun (auth.), PDF

By Hossein Ameri, James D. Weiland, Mark S. Humayun (auth.), Mark S. Humayun, James D. Weiland, Gerald Chader, Elias Greenbaum (eds.)

ISBN-10: 0387493298

ISBN-13: 9780387493299

ISBN-10: 038749331X

ISBN-13: 9780387493312

Artificial sight is a frontier sector of recent ophthalmology combining the multidisciplinary talents of surgical ophthalmology, biomedical engineering, organic physics, and psychophysical trying out. Many clinical, engineering, and surgical demanding situations needs to be surmounted ahead of frequent functional functions might be learned. The target of Artificial Sight is to summarize the state of the art study during this interesting zone, and to explain the various present methods and tasks which could aid sufferers in a medical atmosphere.

The Editors are lively researchers within the fields of synthetic sight, biomedical engineering and organic physics. they've got got a variety of expert awards and popularity for his or her paintings. the bogus sight workforce on the Doheny Eye Institute, led by means of Dr. Mark Humayun, is an international chief during this zone of biomedical engineering and scientific research.

Key Features

  • Introduces and assesses the state-of-the-art for a extensive viewers of biomedical engineers, biophysicists, and medical researchers
  • Describes advances in microelectronics, microfabrication, surgical implantation, and psychophysical checking out of visible prostheses
  • Outlines the promise of synthetic sight and the demanding situations that needs to be met

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Extra resources for Artificial Sight: Basic Research, Biomedical Engineering, and Clinical Advances

Sample text

5 mm in diameter) in normal cats showed a marked loss of photoreceptors in areas directly overlying the implant. Nevertheless, despite some disorganization of the inner retinal layers, there was not a significant reduction in either INL or GCL densities [60]. 21). In a technique known as ab-externo, a scleral and choroidal incision is made about 6 mm or more behind the limbus without cutting the retina. The array is next advanced under the retina to the desired position, and then the sclera is sutured around the cable.

The prevalence of age related maculopathy in the Rotterdam study. Ophthalmology 1995; 102:205–10. 14. VanNewkirk MR, Nanjan MB, Wang JJ, et al. The prevalence of of age-related maculopathy: the visual impairment project. Ophthalmology 2000; 107:1593–600. 15. Ferris FLI, Fine SL, Hyman LA. Age-related macular degeneration and blindness due to neovascular maculopathy. Arch Ophthalmol 1984; 102:1640–2. 16. AREDS report No 8. A randomized, placebo-controlled clinical trial of high dose supplementation with vitamins C and E, beta carotene, and zinc for age-related macular degeneration and vision loss.

Moreover, the attachment should be reversible to allow for the removal of the array, in case of improper functioning, or any other complication. Tissue glues are usually used for creating an adhesion between different parts of a tissue or between two different tissues and usually disintegrate with time, whereas glues used for retinal prosthesis should have an adhesive effect on both the retina and the array, and should remain stable for years. A study using dissected rabbit retina demonstrated that hydrogels have from 2 to 39 times greater adhesive force than commercial fibrin sealant, autologous fibrin, Cell-Tak, or photocurable glues [56].

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Artificial Sight: Basic Research, Biomedical Engineering, and Clinical Advances by Hossein Ameri, James D. Weiland, Mark S. Humayun (auth.), Mark S. Humayun, James D. Weiland, Gerald Chader, Elias Greenbaum (eds.)

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