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

Posttraumatic convergence insufficiency.

G B Krohel, R W Kristan, J W Simon

    Annals of Ophthalmology
    |March 1, 1986
    PubMed
    Summary
    This summary is machine-generated.

    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

    Cell-bound and extracellular phosphatase activities of cyanobacterial isolates.

    Microbial ecology·2013
    Same author

    Povidone-iodine prophylaxis of ophthalmia neonatorum.

    The British journal of ophthalmology·2003
    Same author

    Bilateral lateral rectus resection for residual esotropia.

    Journal of AAPOS : the official publication of the American Association for Pediatric Ophthalmology and Strabismus·2002
    Same author

    Active ocular syphilis.

    Ophthalmology·2001
    Same author

    Commonly missed diagnoses in the childhood eye examination.

    American family physician·2001
    Same author

    Vision screening performed by the pediatrician.

    Pediatric annals·2001
    Same journal

    Ocular toxicity of systemic chemotherapy with megadoses of carmustine and mitomycin.

    Annals of ophthalmology·1994
    Same journal

    Congenital intrastromal epithelial cyst of the iris.

    Annals of ophthalmology·1994
    Same journal

    Diagnosis and treatment of orbital hemorrhagic lesions.

    Annals of ophthalmology·1994
    Same journal

    Clinical features of toxoplasmic retinochoroiditis in patients with acquired immunodeficiency syndrome.

    Annals of ophthalmology·1994
    Same journal

    The closed chamber slipping suture technique for iris repair.

    Annals of ophthalmology·1994
    Same journal

    The effect of gravity on the amplitude of accommodation.

    Annals of ophthalmology·1994
    See all related articles

    Head trauma can cause convergence insufficiency, affecting reading and causing double vision. The severity of head injury did not correlate with the condition

    Area of Science:

    • Neuroscience
    • Ophthalmology
    • Neurology

    Background:

    • Convergence insufficiency is a common visual disorder.
    • Closed head trauma can lead to various neurological deficits.
    • Visual disturbances following head injury require thorough investigation.

    Purpose of the Study:

    • To investigate the occurrence and characteristics of convergence insufficiency after closed head trauma.
    • To determine potential correlations between head trauma severity and convergence insufficiency.
    • To explore treatment outcomes and possible anatomical locations of lesions.

    Main Methods:

    • Retrospective analysis of 23 patients with convergence insufficiency post-head trauma.
    • Clinical assessment including near point of convergence and convergence reserves.

    Related Experiment Videos

  • Review of treatment strategies and patient responses.

    • Main Results:

    • Convergence insufficiency was observed in 23 patients following head trauma, with reading difficulties and diplopia as primary symptoms.
    • No correlation found between head trauma severity and convergence insufficiency severity.
    • Abnormal convergence reserves were noted even in patients with a normal near point of convergence.
    • Treatment outcomes were variable and often incomplete, with two patients requiring surgery.

    Conclusions:

    • Convergence insufficiency is a potential consequence of closed head trauma.
    • The exact anatomical site of injury causing this syndrome is undetermined, but occipital lobe or upper midbrain lesions are suspected.
    • Management requires tailored approaches, and outcomes can be unpredictable.