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

A grading system for iris neovascularization. Prognostic implications for treatment.

S A Teich, J B Walsh

    Ophthalmology
    |November 1, 1981
    PubMed
    Summary

    The Weiss and Gold grading system effectively predicts treatment response for iris neovascularization. Lower grades (0-2) show good outcomes, while higher grades (4) indicate poor response to panretinal photocoagulation or cryotherapy.

    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

    The Causal Role of Vitamin D Deficiency in Worse Covid-19 Outcomes: Implications for Policy and Practice Development.

    Irish medical journal·2023
    Same author

    Dissociating Fibroepithelioma of Pinkus From Internal Malignancy: A Single-Center Retrospective Study.

    Cutis·2023
    Same author

    Treatment Challenges When Stopping Denosumab.

    Irish medical journal·2022
    Same author

    Statistical analysis of fat and muscle mass in osteoporosis in elderly population using total body DXA scans.

    Irish journal of medical science·2020
    Same author

    Malnutrition in the elderly and its effects on bone health - A review.

    Clinical nutrition ESPEN·2018
    Same author

    An exploration of the bone health of older adults with an intellectual disability in Ireland.

    Journal of intellectual disability research : JIDR·2016

    Area of Science:

    • Ophthalmology
    • Retinal Diseases

    Background:

    • Neovascularization of the anterior segment (NAS) is a severe complication of various retinal vascular diseases.
    • Panretinal photocoagulation (PRP) and panretinal cryotherapy are common treatments for NAS.
    • Predicting treatment outcomes for NAS remains a clinical challenge.

    Purpose of the Study:

    • To evaluate the utility of the Weiss and Gold grading system in predicting treatment response for neovascularization of the iris and anterior chamber angle.
    • To analyze the progression of iris neovascularization based on underlying etiology.

    Main Methods:

    • Retrospective study of 34 eyes from 30 patients with NAS treated with PRP and/or cryotherapy.
    • Preoperative and postoperative grading of iris and angle neovascularization using the Weiss and Gold system.

    Related Experiment Videos

  • Classification of underlying causes including diabetes, central retinal vein occlusion (CRVO), and hemiretinal branch vein occlusion (HBVO).

    • Main Results:

    • The Weiss and Gold grading system demonstrated utility in predicting treatment response.
    • Eyes with angle grades 0-2 showed favorable outcomes.
    • Eyes with angle grade 3 had intermediate responses, while angle grade 4 eyes uniformly responded poorly.
    • Neovascularization secondary to CRVO or HBVO progressed more rapidly than diabetes-related rubeosis.
    • Diabetics with ischemic-type CRVO presented with the most advanced initial rubeosis.

    Conclusions:

    • The Weiss and Gold grading system is a valuable tool for prognostication in patients with neovascularization of the anterior segment.
    • Treatment outcomes correlate with the severity of neovascularization as graded by the Weiss and Gold system.
    • Etiology significantly impacts disease progression, with CRVO/HBVO leading to more aggressive neovascularization compared to diabetes alone.