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

Potential acuity meter to predict postoperative visual acuity.

M R Ing

    Journal of Cataract and Refractive Surgery
    |January 1, 1986
    PubMed
    Summary

    The potential acuity meter (PAM) accurately predicts visual outcomes for cataract surgery patients. This tool is reliable for assessing expected visual acuity, with 96% of patients within two lines of their best postoperative vision.

    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

    Congenital esotropia.

    Ophthalmology·2001
    Same author

    Physicians' greatest enemy--complacency!

    Hawaii medical journal·2000
    Same author

    Botulinum toxin therapy in exotropia.

    Ophthalmology·1999
    Same author

    The timing of surgical alignment for congenital (infantile) esotropia.

    Journal of pediatric ophthalmology and strabismus·1999
    Same author

    Needle sterility during strabismus surgery.

    Journal of AAPOS : the official publication of the American Association for Pediatric Ophthalmology and Strabismus·1999
    Same author

    Outcome study of bilateral lateral rectus recession for intermittent exotropia in children.

    Ophthalmic surgery and lasers·1999

    Area of Science:

    • Ophthalmology
    • Vision Science

    Background:

    • Cataract surgery aims to restore vision, but predicting postoperative visual acuity is crucial for patient expectations.
    • Assessing visual potential preoperatively helps manage patient expectations and surgical planning.

    Purpose of the Study:

    • To evaluate the accuracy of the potential acuity meter (PAM) in predicting postoperative visual acuity in patients undergoing cataract surgery.
    • To compare preoperative PAM-predicted visual acuity with actual best postoperative visual acuity.

    Main Methods:

    • Thirty-three eyes were examined using the potential acuity meter (PAM).
    • Preoperative PAM visual acuity was compared to the best achieved postoperative visual acuity.
    • The PAM was used only when the cataract had some degree of clarity.

    Main Results:

    • The PAM demonstrated high accuracy, with 96% of patients achieving visual acuity within two lines of the PAM prediction.
    • The instrument showed a tendency to underestimate rather than overestimate visual acuity when errors occurred.
    • Patients with moderate macular degeneration and cataracts were included, showing the PAM's utility in complex cases.

    Conclusions:

    • The potential acuity meter (PAM) is a valuable tool for predicting visual acuity outcomes in cataract surgery patients.
    • PAM provides reliable preoperative visual potential assessment, aiding in patient counseling and surgical planning.
    • While generally accurate, the PAM may underestimate visual acuity in some cases, and patient stability can affect test performance.

    Related Experiment Videos