Clinical trials: Comparison of Visual Acuity Tests.
Vestibulo-Ocular Reflex, Esports Participation
Comparison of Vestibulo-Ocular Reflex and Cognitive Functions in E-Athletes and Non-Athletes
This study aims to compare cognitive functions and functional vestibulo-ocular reflex (VOR) between e-athletes and non-athletes.
- Conditions
- Vestibulo-Ocular Reflex, Esports Participation, Cognitive Functioning
- Trial name
- NCT07211191
- Where
- Turkey (Türkiye)
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Yusa Basoglu
Quality Control, Validation Study
Comparison of Four Methods for Entering the Gap Position of Landolt Cs
The aim of this study is to investigate and compare the validity of four different input methods for Landolt Cs, i.e. the proportion of correct gap positions in relation to the total number of performances.
- Trial name
- LC_Entry (NCT04299659)
- Testing
- Landolt C entry method
- Where
- Germany
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Aalen University
Ophthalmologically Normal Subjects
Comparison of the Freiburg Visual Acuity Test (FrACT) With the EDTRS- and Landoltring Charts
A) For the investigation of Visual acuity, inter-test agreement and the test-retest reliability were used three different visual acuity tests: ETDRS charts, Landoltring chart and Freiburg Visual Acuity Test (FrACt).
- Trial name
- FEL (NCT02198534)
- Testing
- Methodology of visual acuity assessment
- Where
- Germany
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Schiefer Ulrich
Comparison of Visual Acuity Tests., ETDRS. FrACT. Landolt Rings.
Towards Worldwide Comparability of Visual Acuity Assessment
Purpose of this study is to investigate the agreement, the test-retest reliability of three established and widely used visual acuity tests, to develop a mathematical transformation routine between the results from these three…
- Trial name
- VisComp (NCT01312662)
- Where
- Germany
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- University Hospital Tuebingen
Refractive Error, Cataract
Vision Measured by the Vimetrics CVA Compared With Chart Testing Under Similar Luminance and Contrast Conditions
Purpose of The Study: The purpose of this study is the following: A)To gather age-related normative visual acuity data for the Vimetrics Central Vision Analyzer (CVA, Vimetrics, LLC, Media, Pa) B)To gather visual acuity data for…
- Conditions
- Refractive Error, Cataract, Maculopathy
- Trial name
- NCT02028351
- Where
- 2 sites in United States, Austria
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Sinclair Technologies, LLC