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Comparing Low-cost Handheld Autorefractors - a Practical Approach to Measuring Refraction in Low Resource Settings

NCT03456245 · Status: COMPLETED · Type: OBSERVATIONAL · Enrollment: 205

Last updated 2020-02-24

Study results available
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Summary

Study compares four portable vision measurement and eye-imaging technologies in terms of accuracy and time and ease of use with older adult (ages 40-100) participants in a developing-country setting (India). Specifically, the five portable devices will be measured against the baseline of the traditional eye-examination techniques, including the use of eye charts and phoropters.

Conditions

  • Myopia
  • Hyperopia

Interventions

DEVICE

Vision device validation

Group members had their vision tested with the following devices/methods: Eyenetra NETRA, PlenOptika Quicksee, Right Manufacturing Retinomax K Plus 3, and standard eyesight tests using eye charts, phoropters, and slit lens lamp imaging.

Sponsors & Collaborators

  • Sankara Eye Hospital

    collaborator OTHER

  • Harvard School of Public Health (HSPH)

    lead OTHER

Principal Investigators

  • David E Bloom, PhD · Harvard School of Public Health (HSPH)

Eligibility

Min Age
40 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2016-08-15
Primary Completion
2016-09-01
Completion
2016-09-01
FDA Device
Yes

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT03456245 on ClinicalTrials.gov