Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Acute choroidal ischaemia

S S Hayreh

    Transactions of the Ophthalmological Societies of the United Kingdom
    |September 1, 1980
    PubMed
    Summary

    Venous blood flow into occluded choroidal arteries may protect the choroid from ischemic damage. This retrograde flow, rich in oxygen, influences the severity and appearance of acute choroidal ischemic lesions.

    Related Concept Videos

    You might also read

    Related Articles

    Articles linked to this work by shared authors, journal, and citation graph.

    Sort by
    Same author

    Exploding head syndrome: new observations.

    European journal of neurology·2020
    Same author

    Comment on 'The Royal College of Ophthalmologists Guidelines on retinal vein occlusions: executive summary'.

    Eye (London, England)·2016
    Same author

    Orbital vascular anatomy.

    Eye (London, England)·2006
    Same author

    Posterior ischaemic optic neuropathy: clinical features, pathogenesis, and management.

    Eye (London, England)·2004
    Same author

    Count and size of macular drusen correlated with the parafoveal annular reflex.

    The British journal of ophthalmology·2004
    Same author

    Role of thrombocytosis in diagnosis of giant cell arteritis and differentiation of arteritic from non-arteritic anterior ischemic optic neuropathy.

    European journal of ophthalmology·2004

    Area of Science:

    • Ophthalmology
    • Vascular Biology
    • Ischemic Disease

    Background:

    • Acute choroidal ischemia can lead to significant vision impairment.
    • Understanding the factors that mitigate ischemic damage is crucial for treatment strategies.

    Purpose of the Study:

    • To investigate factors influencing the characteristics of acute choroidal ischemic lesions.
    • To explore the protective role of venous blood flow in choroidal ischemia.

    Main Methods:

    • Analysis of factors affecting the site, extent, and appearance of acute choroidal ischemic lesions.
    • Consideration of hemodynamic factors, specifically retrograde venous blood flow.

    Main Results:

    • Retrograde venous blood flow into areas of choroidal artery occlusion was observed.
    • This venous flow, carrying high oxygen content, appears to offer a protective effect against ischemic insults to the choroid.

    Conclusions:

    • Retrograde venous blood flow is a significant factor influencing the protective response in acute choroidal ischemia.
    • The oxygen content of venous blood plays a key role in mitigating choroidal ischemic damage.

    Related Experiment Videos