LASER-INDUCED PATHOLOGY OF THE RABBIT RETINA: COMPARISON OF THREE RADIATION WAVELENGTHS

Abstract

Since laser radiation consists of essentially parallel rays, the wavelengths to which the ocular media is relatively transparent are focused by the eye at or near the fundus, greatly concentrating the energy in the process. Because retinal damage can result, the differential effects in terms of wavelength and power levels is of considerable importance. In this study damage to the rabbit retina was induced by irradiation with neodymium, ruby, and frequency-doubled neodymium lasers. The neodymium laser (wavelength 10,600 angstroms) produced the smallest lesions and least damage. The ruby (6943 A) and frequency-doubled neodymium (5300 A) lasers caused lesions similar in size and seven day post-irradiation histo-pathology, except for inter-layer adhesion differences.

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Document Details

Document Type
Technical Report
Publication Date
Mar 14, 1968
Accession Number
AD0669117

Entities

People

  • Grover A. Smithwick
  • James A. E. Spencer
  • Paul R. Kent

Organizations

  • Naval Submarine Medical Research Laboratory

Tags

Communities of Interest

  • Biomedical

DTIC Thesaurus Topics

  • Abstracts
  • Adhesion
  • Biological Pigments
  • Chemistry
  • Classification
  • Energy
  • Epithelium
  • Laser Applications
  • Laser Beams
  • Lasers
  • Nd:Yag Lasers
  • Neodymium Lasers
  • Pathology
  • Power Levels
  • Radiation
  • Ruby Lasers
  • Yag Lasers

Fields of Study

  • Engineering
  • Physics

Readers

  • Nuclear and Radiation Engineering.
  • Pulsed Power and Plasma Physics.
  • Vision Science/Vision Psychology/Cognitive Neuroscience.

Technology Areas

  • Directed Energy