Investigation of the refractive visual potential in a university patient population with regard to autorefractive visual acuity, spectacle visual acuity and best corrected visual acuity

Investigation of the refractive visual potential in a university patient population with regard to autorefractive visual acuity, spectacle visual acuity and best corrected visual acuity - REFRAVIS

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00033806

Enrollment

879

Registered

2024-03-05

Start date

2024-03-25

Completion date

Unknown

Last updated

2025-10-06

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

Conditions

Hyperopia and myopia

Interventions

Group 1: Participants' objective refraction and visual acuity are measured on an autorefractometer, current spectacle values are measured and the Visual Function Questionnaire (NEI-VFQ) is carried out

Eligibility

Sex/Gender

All

Age

55 Years to No maximum

Inclusion criteria

Inclusion criteria: Outpatient examination or therapy at the Eye Clinic of Hannover Medical School

Exclusion criteria

Exclusion criteria: Visual acuity less than or equal to 0.3 cc Persons incapable of giving consent Any acute pathology that could have led to an acute change in refraction within the last 6 months before the start of the study

Design outcomes

Primary

Measure	Time frame
Deviation of visual acuity with objective refraction, spectacle values and subjective refraction	—

Secondary

Measure	Time frame
Subjective refraction, objective refraction, refraction values of the distance glasses worn, Visual Function Questionnaire (NEI-VFQ) value	—

Countries

Germany

Contacts

Public ContactJan Tjark Rauscher

Medizinische Hochschule Hannover

Rauscher.jan@mh-hannover.de0511/532-3053

Outcome results

None listed

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