Repeatability of Electroretinogram and Visual Evoked Potential

Benha University250 enrolled

Overview

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

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

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

DIAGNOSTIC

Masking

NONE

Enrollment

250

Conditions

Retinal Disease Visual Impairment Vision Disorders

Interventions

Electroretinogram (ERG)DIAGNOSTIC_TEST

Applying electrodes to assess retinal function

Visual evoked potential (VEP)DIAGNOSTIC_TEST

Applying electrodes to assess visual pathway function

Eligibility

Sex: ALLMin age: 18 YearsMax age: 60 YearsHealthy volunteers:

Medical Language ↔ Plain English

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.

Locations (1)

Ahmed Abdelshafy Tabl

Banhā, Benha, Egypt

RECRUITING

Outcomes

Primary Outcomes

Repeatability of ERG amplitude.

ERG amplitude measured in nano volt (nV).

Time frame: Changes from baseline measurements and at one week.

Secondary Outcomes

Repeatability of ERG latency.

Latency of ERG measured by millisecond (msec).

Time frame: Changes from baseline measurements and at one week.

Central Contacts

Ahmed Abdelshafy, MD

CONTACT

01222328766 ahmad4lg@gmail.com

Data from ClinicalTrials.gov

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