Repeatability of Electroretinogram and Visual Evoked Potential

Not Applicable

• Conditions: Retinal Disease; Vision Disorders; Visual Impairment

• Registration Number: NCT05334875
• Lead Sponsor: Benha University

Brief Summary

To assess repeatability of electroretinogram and visual evoked potential in clinical practice

Detailed Description

To assess repeatability of electroretinogram in evaluation of retinal function and visual evoked potential in evaluation of visual pathway in clinical practice.

Study Timeline

• Status Verified: 2022-04
• Study Start: 2022-04-01
• Study First Submitted: 2022-04-07
• Study First Submitted QC: 2022-04-13
• Last Update Submitted: 2022-04-13
• Study First Posted: 2022-04-19
• Last Update Posted: 2022-04-19
• Primary Completion: 2022-10-30
• Study Completion: 2022-10-30

Recruitment & Eligibility

• Status: UNKNOWN
• Sex: All
• Target Recruitment: 250

Inclusion Criteria

• Normal subjects visit banha university hospital seeking regular checkup and subjects asked for ERG and VEP as a pre-occupational examination.

Exclusion Criteria

• Patients previously diagnosed with any retinal disease or visual pathway disease that may affect ERG and VEP tests.

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Primary Outcome Measures

Name	Time	Method
Repeatability of ERG amplitude.	Changes from baseline measurements and at one week.	ERG amplitude measured in nano volt (nV).

Secondary Outcome Measures

Name	Time	Method
Repeatability of ERG latency.	Changes from baseline measurements and at one week.	Latency of ERG measured by millisecond (msec).

Trial Locations

Locations (1)

Ahmed Abdelshafy Tabl; 🇪🇬 Banhā, Benha, Egypt