Excimer laser system Profile-500

Atejev, Vladimir V.; Bukreyev, V. S.; Vartapetov, S. K.; Semenov, Andrew G.; Sugrobov, V A; Turin, V. S.; Fedorov, S. N.

doi:10.1117/12.353115

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Surgery Based On Aberrometric Data1

Introduction1

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2016

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“…This light source is made by directing a narrow beam along the eye's optical axis. The shape of a wavefront ( ) W x y , going out of the pupil presented in the form of an expansion over the Zernike polynomials [1,2] is exactly the output data of an aberrometer. If a plane wavefront goes out from an eye focused to an infinitely distant object, then in this ideal case the eye does not need surgical correction.…”

Section: Surgery Based On Aberrometric Datamentioning

confidence: 99%

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Laser technologies in ophthalmic surgery

et al. 2016

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Excimer and femtosecond lasers are widely used in ophthalmology to correct refraction. Laser systems for vision correction are based on versatile technical solutions and include multiple hard-and software components. Laser characteristics, properties of laser beam delivery system, algorithms for cornea treatment, and methods of pre-surgical diagnostics determine the surgical outcome. Here we describe the scientific and technological basis for laser systems for refractive surgery developed at the Physics Instrumentation Center (PIC) at the Prokhorov General Physics Institute (GPI), Russian Academy of Sciences.

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Section: Surgery Based On Aberrometric Datamentioning

confidence: 99%

“…The intensity profile at the cornea was formed by profiled rotating or changeable apertures. The first Russian commercial device [2] used an original optical scheme utilizing the Gaussian beam homogenizer. This formation technique provided an absolutely smooth postsurgical surface of the cornea.…”

Section: Introductionmentioning

confidence: 99%