Trials / Unknown
UnknownNCT02572544
Comparison of Objective and Subjective Changes Induced by Multiple Pinhole Glasses and Single Pinhole Glasses
- Status
- Unknown
- Phase
- N/A
- Study type
- Interventional
- Enrollment
- 30 (estimated)
- Sponsor
- Chung-Ang University Hosptial, Chung-Ang University College of Medicine · Academic / Other
- Sex
- All
- Age
- 20 Years – 45 Years
- Healthy volunteers
- Accepted
Summary
Purpose of this study is to compare the ocular functional changes including pupil size, visual acuity, depth of focus, accommodative amplitude, visual field, contrast sensitivity, and stereopsis induced by multiple and single pinhole glasses, in addition, to check reading speed and survey for ocular discomfort after using both pinhole glasses.
Conditions
Interventions
| Type | Name | Description |
|---|---|---|
| DEVICE | Trayner Pinhole Glasses (Trayner Glasses, Ivybridge Devon, U.K.) | Wearing multiple and single pinhole glasses |
Timeline
- Start date
- 2015-10-01
- Primary completion
- 2015-10-01
- First posted
- 2015-10-09
- Last updated
- 2015-10-09
Locations
1 site across 1 country: South Korea
Source: ClinicalTrials.gov record NCT02572544. Inclusion in this directory is not an endorsement.