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
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
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
This website contains a database of hereditary disorders with
important ocular features. It is designed as a portal site containing summary
clinical descriptions with links to additional online information. Each
description of a medical condition is also linked to a page containing
information written in nontechnical language for patients.
Since ocular infections are one of
the most frequent occurrences in ophthalmology, the treatment for these
infections must be fast, precise and effective. Clinical diagnosis of ocular
infections can be confirmed by several techniques based on microbiological test
of ocular samples. This guide explains about most common ocular infections and
its treatment.
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