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Related Experiment Video

Updated: May 11, 2026

Subjective Refraction Test Using a Smartphone for Vision Screening
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A field report on self-screening visual acuity using a computerized vision screener.

M Menozzi1

  • 1Technology and Innovation Management, Zürich, Switzerland. mmenozzi@ethz.ch

Klinische Monatsblatter Fur Augenheilkunde
|May 1, 2013
PubMed
Summary

Patient self-administered acuity tests are feasible and efficient. This study shows that individuals can successfully complete vision screening tests independently, reducing costs and time for large-scale examinations.

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Area of Science:

  • Ophthalmology
  • Public Health
  • Medical Technology

Background:

  • Large-scale vision examinations are resource-intensive.
  • Patient self-administration of tests can potentially reduce costs.
  • This study explored patient handling of self-administered acuity tests.

Purpose of the Study:

  • To assess the feasibility of self-administered acuity tests.
  • To gather practical experience on patient interaction with self-test devices.
  • To evaluate the time efficiency of self-administered vision screening.

Main Methods:

  • Developed two computerized self-test acuity screening devices.
  • Participants completed distance (5m) and near (40cm) acuity tests.
  • Devices operated unsupervised in two distinct locations.

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Last Updated: May 11, 2026

Subjective Refraction Test Using a Smartphone for Vision Screening
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Published on: October 18, 2024

An Automated Method for Assessing Visual Acuity in Infants and Toddlers Using an Eye-Tracking System
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An Automated Method for Assessing Visual Acuity in Infants and Toddlers Using an Eye-Tracking System

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Motion-Acuity Test for Visual Field Acuity Measurement with Motion-Defined Shapes

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Main Results:

  • 2528 participants' data were collected; 1078 completed four acuity tests.
  • Average duration per test: 29.7s to 39.1s; total for four tests: 133 ± 46s.
  • Participant demographics included age ranges, spectacle, and contact lens use.

Conclusions:

  • Self-administered acuity tests are completed in a short duration.
  • The experience supports the feasibility of self-tests for acuity screening.
  • This approach offers a practical solution for efficient vision screening.