Corneal Biomechanics and Refractive Surgery by Fabio A. Guarnieri

By Fabio A. Guarnieri

This e-book offers a distinct procedure now not present in the other textual content for these seeking to enhance the medical result of refractive surgical procedure by way of gaining a greater knowing of corneal biomechanics and the instrumentation relating to it. Written through prime specialists within the box, this e-book offers authoritative assurance of the interactions of the cornea and the bioinstrumentation, resembling corneal topography, pachymetry, aberrometers, tonometry and optical coherence tomography.

Organized in an easy-to-read demeanour, Corneal Biomechanics and Refractive Surgery is designed for refractive surgeons and basic ophthalmologists alike and describes the biomechanical function of the corneal tissue and the way every one half is affected in refractive surgical procedure. also, displaying what the bioinstrumentation can degree, how types can increase knowing of the interplay among biomechanics, bioinstrumentation, and refractive surgical procedure, and the way those types and bioinstrumentation jointly can increase the refractive effects, also are discussed.

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Extra resources for Corneal Biomechanics and Refractive Surgery

Example text

The axial curvature radius is calculated by fitting a circumference with three successive points in a meridian. By this way, we are able to compare the corneal topography after a surgical simulation with that measured after a real surgery, allowing to validate the model 3 y 4. This method is more powerful than those employed in other works [17–20] which calculated refractive changes in the cornea, by fitting an ellipsoid or paraboloid in the central zone (limiting the analysis to patients with regular astigmatism) [21].

E. O. Waring III, Computer simulation of arcuate keratotomy for astigmatism. Refract. Corneal Surg. 8(2), 152–163 (1992) 22. H. N. Forster, G. von Bally, Measurement of elastic modulus of the bovine cornea by means of holographic interferometry. Part 1. Method and experiment. Optom. Vis. Sci. 70(7), 535–544 (1993) 23. E. Yavitz, Reshaping the cornea. Ocular Surg. News, Online article, p. 3, April 1996 24. T. Seiler, M. Matallana, S. Sendler, T. Bende, Does Bowman’s layer determine the biomechanical properties of the cornea?

G. A. Schlegel, Viscoelastic properties of human cornea. Exp. Mech. 13(12), 497–503 (1973) 9. R. A. McMahon, Scleral creep vs. temperature and pressure in vitro. Exp. Eye Res. 29, 527–537 (1979) 10. D. R. Russell, Numerical solution of coupled transport equations applied to corneal hydration dynamics. J. Physiol. 292, 107–134 (1979) 11. R. Greene, Mechanical considerations in myopia: relative effects of accommodation, convergence, intraocular pressure and the extraocular muscles. Am. J. Optom. Physiol.

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