Performance of plusoptiX A09 Pediatric Autorefractor and Jaeb Visual Acuity Screener in Pediatric Vision Screening


  • Study type

  • Study IDs

  • Describes the nature of a clinical study. Types include:

    • Observational study — observes people and measures outcomes without affecting results.
    • Interventional study (clinical trial) — studies new tests, treatments, drugs, surgical procedures or devices.
    • Medical records research — uses historical information collected from medical records of large groups of people to study how diseases progress and which treatments and surgeries work best.
  • Site IRB
    • Rochester, Minnesota: 10-006134
    Sponsor Protocol Number: 10-006134

About this study

The purpose of this study is to provide pilot data on the sensitivity and specificity of two screening instruments, the plusoptiX A09 and the Jaeb Visual Acuity Screener in detecting amblyopia, strabismus and refractive error in young children, using a full eye examination as the gold standard.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. If you need assistance understanding the eligibility criteria, please contact the study team.

See eligibility criteria

Inclusion Criteria:

  • Children aged 2 to 7 years (inclusive)
  • Scheduled to receive full eye examination
  • Able to read or match letter optotypes
  • Measurable visual acuity

Exclusion Criteria:

  • Existing eye condition causing severely reduced visual acuity that cannot be quantified using testing methods    

Participating Mayo Clinic locations

Study statuses change often. Please contact us for help.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Tomohiko Yamada, O.D.

Closed for enrollment

Contact information:

Tomohiko Yamada O.D.



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