An updated review of methods for human retinal oximetry measurements and current applications

Itay Ben-Zion, Alon Harris, Yosi Weizman, Rita Ehrlich, Ehud Rechtman

Research output: Contribution to journalReview articlepeer-review

Abstract

The concept of retinal oximetry is based on physical properties that have been recognized since the 18th century. Attempts to non-invasively quantify the oxygen saturation of blood within the retinal vasculature date back to the 1950's. There are different techniques in existence for the measurement of retinal oxygenation, the leading ones are: photographic, digital, spectroscopy and the pulse methods. Each method has its advantages and disadvantages. Current data from studies on retinal oximetry is presented, for both the healthy retina and in diseases such as glaucoma, diabetic retinopathy and age-related macular degeneration. It is clear that a thorough understanding of retinal oxygen tension is vital to our understanding of normal retinal physiology and the pathophysiology of degenerative eye diseases.

Original languageEnglish
Pages (from-to)812-817
Number of pages6
JournalHarefuah
Volume147
Issue number10
StatePublished - Oct 2008
Externally publishedYes

Keywords

  • Hemoglobin
  • Optical density
  • Oxygen saturation
  • Retinal artery & vein

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