Effects of Gunnar Computer Glasses on Viewing Comfort and Performance
Public ClinicalTrials.gov record NCT02925884. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
The Effect of Computer Eyewear on Viewing Comfort and Performance in Office Work
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The proposed study aims to test if Gunnar computer glasses provide any advantages, in comparison to no glasses, on the following aspects in computer-related office work: * Any enhancement on the visual performance of the basic visual function, including visual acuity, contrast sensitivity, color discrimination, etc. * Any enhancement on the visual performance of typical office work, including reading, word-spelling check, number searching, or target identification. * Any benefit in objective viewing comfort measured with viewing distance, blink frequency, post-viewing pupil size. * Any benefit in subjective viewing comfort reflected on the questionnaire of viewing symptom survey. * Any benefit in viewing comfort and visual performance with increased environmental ventilation or under the strong glare. * Any benefit in life quality from daily wearing (e.g., better comfort or sleep quality).
Study identification
- NCT ID
- NCT02925884
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 35 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years to 42 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- May 31, 2013
- Primary completion
- Aug 31, 2013
- Completion
- Aug 31, 2013
- Last update posted
- Jul 15, 2025
2013
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Vision Performance Institute, 129 Scott Hall, Pacific University | Forest Grove | Oregon | 97116 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT02925884, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jul 15, 2025 · Synced Sep 7, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT02925884 live on ClinicalTrials.gov.