By Jason Porter, Hope Queener, Julianna Lin, Karen Thorn, Abdul A. S. Awwal
Top specialists current the newest know-how and functions in adaptive optics for imaginative and prescient science
that includes contributions from the most important researchers within the box, Adaptive Optics for imaginative and prescient technological know-how is the 1st booklet dedicated fullyyt to offering the basics of adaptive optics besides its functional purposes in imaginative and prescient technological know-how. the fabric for this publication stems from collaborations fostered by means of the heart for Adaptive Optics, a consortium of greater than thirty universities, executive laboratories, and corporations.
even if the ebook is written basically for researchers in imaginative and prescient technological know-how and ophthalmology, the sphere of adaptive optics has powerful roots in astronomy. Researchers in either fields proportion this know-how and, accordingly, the ebook contains chapters by way of either astronomers and imaginative and prescient scientists.
Following the advent, chapters are divided into the next sections:
* Wavefront size and Correction
* Retinal Imaging Applications
* imaginative and prescient Correction Applications
* layout Examples
Readers will realize the striking proliferation of latest functions of wavefront-related applied sciences built for the human eye. for instance, the booklet explores how wavefront sensors provide the promise of a brand new new release of imaginative and prescient correction tools which could care for better order aberrations past defocus and astigmatism, and the way adaptive optics can produce pictures of the dwelling retina with exceptional resolution.
An appendix comprises the Optical Society of America's criteria for Reporting Optical Aberrations. A thesaurus of phrases and a logo desk also are included.
Adaptive Optics for imaginative and prescient technology palms engineers, scientists, clinicians, and scholars with the fundamental recommendations, engineering instruments, and methods had to grasp adaptive optics functions in imaginative and prescient technological know-how and ophthalmology. furthermore, readers will realize the newest pondering and findings from the major innovators within the box.
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Extra info for Adaptive Optics for Vision Science Principles Practices Design and Applications
Sample text
56. Christou JC, Roorda A, Williams DR. Deconvolution of Adaptive Optics Retinal Images. J. Opt. Soc. Am. A. 2004; 21: 1393–1401. 57. Williams DR, Hofer H. Formation and Acquisition of the Retinal Image. In: Chalupa LM, Werner JS, eds. The Visual Neurosciences. Cambridge, MA: MIT Press, 2003, pp. 795–810. 58. Brainard DH, Roorda A, Yamauchi Y, et al. Functional Consequences of the Relative Numbers of L and M Cones. J. Opt. Soc. Am. A. 2000; 17: 607– 614. 59. Neitz J, Carroll J, Yamauchi Y, et al.
Roughly one and a half centuries after Helmholtz’s description of the higher order aberrations in human eyes, we are now equipped with the adaptive optics (AO) technology that can systematically measure and correct them. 2 5 Retinal Imaging The main hurdle to obtaining the first view of the inside of the living eye was that such a small fraction of the light entering the pupil returns back out of it. 1 to 10% depending on wavelength (400 to 700 nm) [8, 9], and the pupil restricts the amount of light that can exit the eye by another factor of about 100.
Unfortunately, this method does not allow for the direct observation of the photoreceptor mosaic because the photoreceptors are obscured by the interference of the coherent light reflected from multiple layers of the retina. To avoid this problem, Miller et al. constructed a high-magnification fundus camera capable of illuminating the retina with incoherent light [25]. By dilating the pupil to reduce the influence of diffraction and with careful correction of defocus and astigmatism, they obtained the first direct images of the human cone mosaic in vivo.
