Multifocal Electroretinography Before and After Silicone Oil Removal

Status

UNKNOWN

Phases

Unknown

Study type

Observational

Source

ClinicalTrials.gov

Registry ID

NCT05087901

Enrollment

Registered

2021-10-21

Start date

2021-10-01

Completion date

2022-03-31

Last updated

2021-10-21

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

Conditions

Silicone Oil Filled Eyes

Brief summary

This is a prospective observational study to investigate the changes in multifocal electroretinogram signal before and after silicone oil removal in silicone-filled eyes.

Interventions

DIAGNOSTIC_TESTMultifocal electroretinogram

A device that records electric potentials generated by the retinal photoreceptors and neural elements in a multifocal fashion

Study design

Observational model

COHORT

Time perspective

PROSPECTIVE

Eligibility

Sex/Gender

ALL

Age

18 Years to No maximum

Healthy volunteers

Inclusion criteria

* Patients 18 years of age or older who underwent pars plana vitrectomy for the repair of rhegmatogenous retinal detachment (RRD) and received silicone oil as an intraocular tamponade.

Exclusion criteria

* Patients will be excluded if they have a significant corneal opacity, uncontrolled intraocular pressure, a confounding macular pathology or optic nerve pathology or if silicone oil has been in the eye for longer than 6 months.

Design outcomes

Primary

Measure	Time frame	Description
Change in Amplitude	Preoperative and 1 month postoperative recordings	Change in amplitudes of P1 and N1 waves before and after silicone oil removal

Countries

Egypt

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026