Effect of postoperative patient position and pupil size on rotational stability of intraocular lenses

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

DRKS

Registry ID

DRKS00034204

Enrollment

Registered

2024-05-13

Start date

2022-02-22

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

intraocular lens rotational stability

Interventions

Group 1: patients lying down, wide pupil Group 2: patients walking around, wide pupil Group 3: patients lying down, small pupil Group 4: patients walking around, small pupil

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: cataract or refractive lens exchange without complications

Exclusion criteria

Exclusion criteria: previous ocular operation or trauma, active ocular pathology, intraoperative complications

Design outcomes

Secondary

Measure	Time frame
corrected and uncorrected distance visual acuity	—

Primary

Measure	Time frame
IOL position	—

Countries

Germany

Contacts

Public ContactThomas Kohnen

Augenklinik am Universitätsklinikum der Goethe-Universität Frankfurt

kohnen@em.uni-frankfurt.de+4969 6301 5187

Outcome results

None listed

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