Aberration-Free Refractive Surgery: New Frontiers in Vision by Josef F. Bille, Ulrich von Pape (auth.), Professor Dr. Josef

By Josef F. Bille, Ulrich von Pape (auth.), Professor Dr. Josef F. Bille, Carol F. H. Harner PhD, Dr. Frieder F. Loesel (eds.)

Refractive surgeons and clinicians are seeking for a extra custom-made method of refractive surgical procedure. This entire record on sight correction via laser surgical procedure offers the practitioner with sturdy historical past info from best researchers. rigorously illustrated, it information the most recent thoughts and scientific leads to wavefront know-how for laser surgical procedure, that's now defining a brand new commonplace of perform. This moment variation has been considerably extended to incorporate in-depth descriptions of significant new advances in addition to glimpses of what the long run holds. The publication could be quintessential to all wishing to increase their wisdom of personalized refractive surgical procedure with an figuring out of the underpinning technology.

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Another feature of the wavefront-laser calibration system is its ability to measure artifacts and high order aberrations of the ablated lenses, as shown in Fig. 13. Artifacts and high order aberrations in the ablated lenses represent possible defects for the corneal ablation. The measurements can be used to quantify the performance of individual lasers. They can also help to refine ablations to produce better surgical outcomes. 15 High-Resolution Retinal Imaging with Adaptive Optics Since the invention of the ophthalmoscope by Helmholtz in 1850 and the first recording of fundus photography by Jackman and Webster in 1886 [72], retinal imaging has been used in the clinical diagnosis of ocular diseases.

Adaptive optics in astronomy: (a) speckle pattern (b) sharpened pictur e limited performance. In Fig. 11, t he principle of operation of an adaptive optical closed loop system on an optical t elescop e is demonstrated. In (a) the speckle pattern of an ast ronomical object, abe rrate d by the turbulent atmosphere is shown. In (b) t he sharpened picture aft er engagement of t he adaptive optical closed loop cont rol, demo nstrating a double star image at high spatial resolution , is depict ed. The measurement s where performed at the Calar Alto Opt ical Telescope operate d by the Max Pl an ck Institut e for Astronomy, Heidelberg [7].

S. Wiihl: A ktiv e Korrektur optisc her A berrationen mittels genetischer Algorithm en, Diploma Th esis, Universit y of Heidelberg, 2000 14. R. Ragazzoni: Pupil plane wavef ront sensing with an oscillating prism. J . Mod. Opt. 43 , 289 (1996) 15. F . S. Pat ent 6, 220, 707 B1 (April 24, 2001) 16. U. von Pap e: Wavefront sensing in the human eye. PhD Dissertati on , University of Heidelberg, 2002 2 Wavefront Technology for Vision and Ophthalmology J . 1 Introduction Spectacles have been used to correct defocus since perhaps the thirteenth century [1 ,2] and astigmatism since the nineteenth century [3] .

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