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This PDF covers the following topics related to Ophthalmology : Light, Movement of Light,Vergence, Lens Systems, Simple Lens Formula, Depth of Focus, Depth of Field, Multiple Lens Systems, Lens Effectivity, Focal Points, Ray Tracing � Lenses, Optical Media and Indices of Refraction, Snell�s Law of Refraction, Apparent Thickness Formula, Law of Reflection and Critical Angle, Mirrors, Ray Tracings � Mirrors, Prisms, Prentice�s Rule, Lenses, Aberrations, Schematic Eye, Refractive or Axial Myopia and Hyperopia, Knapp�s Law, Far Point of the Eye, Accommodation., The Amplitude of Accommodation, Near Point of the Eye, Magnification, Telescopes, Aniseikonia.

Author(s): Mark E. Wilkinson, OD, Khadija S. Shahid, OD, MPH

135 Pages

The Organization of the Retina and Visual System

The purpose of this Tutorial is to summarize these recent advances and to describe our present understanding, based primarily on anatomic investigations, of the Neural Organization of the Mammalian Retina. A great addition has been a section on Psychophysics of Vision which we hope will be of general information to all interested in learning the basics of visual perception.

Author(s): Helga Kolb, Eduardo Fernandez, and Ralph Nelson

NA Pages

Fuchs corneal dystrophy

Fuchs� corneal dystrophy (FCD) is a progressive, hereditary disease of the cornea first described a century ago by the Austrian ophthalmologist Ernst Fuchs. This note provides recent advances in our understanding of the genetic and pathophysiological mechanisms of the disease, as well as the application of new imaging modalities and less invasive surgical procedures, present new opportunities for improved outcomes among patients with FCD.

Author(s): Allen O Eghrari, MD and John D Gottsch, MD

38 Pages

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Blind Net

Blind Net

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