N/A
Completed N=45
Usability of the Software MacuFix for the Categorization of Metamorphopsia
Vision Disorders
Source: ClinicalTrials.gov NCT04347564 ↗
Enrolled (actual)
45
Serious AEs
0.0%
Results posted
May 2021
Primary outcomePrimary: Score of System Usability Scale (SUS) Questionnaire — 76.7 score on a scale
Summary
The usability of a novel test to categorize a distorted visual impression (metamorphopsia) is examined with the questionnaire "SUS"
Outcome Measures
| Outcome | Result | p-value |
|---|---|---|
| PRIMARY Score of System Usability Scale (SUS) Questionnaire |
76.7 | — |
| SECONDARY Median Time Interval (in Days) Between Two Self-test Measurements (MakuFix or Amsler Respectively) to Assess the Test Adherence |
13 | — |
| SECONDARY Change of Vision-related Quality of Life (NEI VFQ-25, Subscale 7) After Use of the App MacuFix Versus Amsler Grid/no Test |
20.31; -3.47 | — |
Eligibility Criteria
Inclusion Criteria
- Distorted visual impression in at least one eye, detected with Amsler grid:
- Best-corrected visual acuity (BCVA): at least 20/200; age over 18 years; presence of a declaration of consent to participate in the study
Exclusion Criteria
No distorted visual impression in both eyes; best corrected visual acuity under 0.1; age under 18 years
Data sourced from ClinicalTrials.gov (NCT04347564). Outcome figures and adverse-event rates are extracted automatically from the registry's posted results and are provided for clinician reference, not as a substitute for the primary publication. Informational only — not medical advice.