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Measuring Cyclotorsion on Scanning Laser Ophthalmoscopy (SLO)-Fundus Photographs (CySLO)

University of Zurich (UZH) logo

University of Zurich (UZH)

Status

Completed

Conditions

Trochlear Nerve Diseases

Treatments

Device: Heidelberg Spectralis OCT device

Study type

Interventional

Funder types

Other

Identifiers

NCT02631369
KEK-ZH-Nr. 2014-0404

Details and patient eligibility

About

Pre-Study: Evaluation of the inter- and intrarater reliability of the integrated algorithm by Heidelberg Spectralis for measuring cyclotorsion on SLO-fundus fotographs, and assessment of the influence of measuring with or without eye tracker.

Study: Comparison of cyclotorsion measurements in patients with forth nerve palsy and in healthy controls on SLO-fundus fotographs using the integrated algorithm by Heidelberg Spectralis

Enrollment

82 patients

Sex

All

Ages

18+ years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • ≥ 18 years old
  • best corrected visual acuity ≥ 0.8

Exclusion criteria

  • strabismus except for forth nerve palsy
  • previous strabismus surgery
  • monocle
  • best corrected visual acuity ≤ 0.6
  • hyperopia or myopia > 6dpt

Trial design

Primary purpose

Diagnostic

Allocation

Non-Randomized

Interventional model

Parallel Assignment

Masking

None (Open label)

82 participants in 3 patient groups

inter- & intrarater reliability study
Experimental group
Description:
pre-study: inter- and intrarater reliability study in 30 healthy subjects, interventions: SLO-fundus photographs using the integrated algorithm by Heidelberg Spectralis OCT (optical coherence tomography) device
Treatment:
Device: Heidelberg Spectralis OCT device
cyclotorsion in forth nerve palsy
Experimental group
Description:
measurement of cyclotorsion on SLO-fundusphoto in 20 patients forth nerve palsy interventions: SLO-fundus photographs using the integrated algorithm by Heidelberg Spectralis OCT (optical coherence tomography) device
Treatment:
Device: Heidelberg Spectralis OCT device
cyclotorsion in healthy subjects
Experimental group
Description:
measurement of cyclotorsion on SLO-fundusphoto in 30 healthy subjects to be compared to patients with forth nerve palsy interventions: SLO-fundus photographs using the integrated algorithm by Heidelberg Spectralis OCT (optical coherence tomography) device
Treatment:
Device: Heidelberg Spectralis OCT device

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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