Smartphone-based visual acuity assessment in a crossectional study in a university eye clinic

Smartphone-based visual acuity assessment in a crossectional study in a university eye clinic - SmartVA

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00033292

Enrollment

100

Registered

2023-12-22

Start date

2024-01-10

Completion date

Unknown

Last updated

2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

All eye diseases

Interventions

Group 1: Visual Acuity Assessment with Smartphone app (Investigational Device)

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: o Fluency in German Language o Reading Ability o Ability to safely hold a smartphone for a few minutes o Best-Corrected Visual Acuity of decimal 0.1 or higher on the better eye

Exclusion criteria

Exclusion criteria: o Painful eye diseases o Eye diseases that likely lead to widely varying visual acuity assessments

Design outcomes

Primary

Measure	Time frame
Quantification of difference between smartphone visual acuity and standard visual acuity measurement	—

Secondary

Measure	Time frame
Comparison of different algorithms	—

Countries

Germany

Contacts

Public ContactJohann Roider

Universitätsaugenklink Kiel

Johann.Roider@uksh.de+49 431 500 24201

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026