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Diagnostic Device

Smartphone Flicker Fusion Test for Vision Impairment

N/A

Recruiting

Led By Randy Kardon, MD, PhD

Research Sponsored by Randy Kardon

Eligibility Criteria Checklist

Specific guidelines that determine who can or cannot participate in a clinical trial

Must have

Control: Age matched 18-80 years of age

Patients: Clinically associated scotoma

Timeline

Screening 3 weeks

Treatment Varies

Follow Up 1/1/2020

Awards & highlights

Study Summary

This trial is testing an app that could be used to quickly and easily measure a patient's flicker fusion frequency, which is important for diagnosing optic disorders.

Who is the study for?

This trial is for people aged 18-80 with or without optic disorders. Healthy individuals with no known eye issues can join as controls, while those experiencing a blind spot (scotoma) are the patient group. Those with other ocular conditions cannot participate.Check my eligibility

What is being tested?

The study is testing an app called eyeFusion on smartphones to see if it's effective in measuring flicker fusion (the speed at which a flickering light appears steady) in patients with optic disorders.See study design

What are the potential side effects?

Since this trial involves a non-invasive smartphone test, there are no direct side effects from the intervention itself. However, users may experience eye strain or discomfort from looking at a flickering screen.

Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below

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I am between 18 and 80 years old.

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I have a blind spot in my vision.

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I have no known eye disorders.

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I am between 18 and 80 years old.

Timeline

Screening ~ 3 weeks3 visits

Treatment ~ Varies

Follow Up ~ 1/1/2020

Screening ~ 3 weeks

Treatment ~ Varies

Follow Up ~1/1/2020

This trial's timeline: 3 weeks for screening, Varies for treatment, and 1/1/2020 for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.

Primary outcome measures

Assess Validity of the test construct measuring flicker fusion thresholds.

Trial Design

2Treatment groups

Experimental Treatment

Active Control

Group I: eyeFusion PatientsExperimental Treatment1 Intervention

Scotoma subjects aged 18-80.

Group II: eyeFusion Control SubjectsActive Control1 Intervention

Healthy normal controls with no known eye disorders age 18-80.

0 / 4Eligibility criteria met

Find a Location

Who is running the clinical trial?

Randy KardonLead Sponsor

3 Previous Clinical Trials

621 Total Patients Enrolled

Randy Kardon, MD, PhDPrincipal Investigator - University of Iowa

Iowa City VA Medical Center, University of Iowa Chemical Dependency Center, University of Iowa Hospitals & Clinics

University Of Iowa College Of Medicine (Medical School)

University Iowa Hosps & Clinics (Residency)

Media Library

eyeFusion (Diagnostic Device) Clinical Trial Eligibility Overview. Trial Name: NCT03475147 — N/A

Blind Spot Research Study Groups: eyeFusion Control Subjects, eyeFusion Patients

Blind Spot Clinical Trial 2023: eyeFusion Highlights & Side Effects. Trial Name: NCT03475147 — N/A

eyeFusion (Diagnostic Device) 2023 Treatment Timeline for Medical Study. Trial Name: NCT03475147 — N/A

Frequently Asked Questions

These questions and answers are submitted by anonymous patients, and have not been verified by our internal team.

How many individuals have been invited to join this clinical trial?

"Confirmative, the particulars of this trial on clinicaltrials.gov indicate that it is currently accepting candidates. This research was initially launched on January 27th 2017 and edited most recently in July 4th 2022. The study requires 500 participants to enroll from 1 distinct medical facility."

Answered by AI

Is this research open to individuals who are over four decades old?

"Researchers have identified that the acceptable age range for this clinical trial to be 18 - 80 years old."

Answered by AI

To whom is participation in this trial available?

"Patients with scotoma, aged between 18 and 80 years old, are eligible to be enrolled in this medical experiment. The trial seeks 500 participants in total."

Answered by AI

Is this trial still recruiting participants?

"Affirmative. According to information gathered from clinicaltrials.gov, this experiment was initially posted on January 27th 2017 and has been actively recruiting since then. The study is in search of 500 participants at one medical centre."

Answered by AI

Recent research and studies

clinicaltrials.govStudy

Smartphone Flicker Fusion Test for Patients With Optic Disorders.

Randy Kardon 2017. "Smartphone Flicker Fusion Test for Patients With Optic Disorders.". ClinicalTrials.gov. https://clinicaltrials.gov/ct2/show/NCT03475147.