Modification in Cortical Activation in Pseudophakic Patients With Visual Difficulties After a Multifocal Implantation

NCT ID: NCT02529098

Last Updated: 2016-06-01

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

WITHDRAWN

Clinical Phase

NA

Study Classification

INTERVENTIONAL

Study Start Date

2015-06-30

Study Completion Date

2016-07-31

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

This study will highlight differences in cortical activation between asymptomatic and symptomatic patients.

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Vision Disorders

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

NON_RANDOMIZED

Intervention Model

PARALLEL

Blinding Strategy

NONE

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

asymptomatic patients

fMRI Asymptomatic patients

Group Type SHAM_COMPARATOR

fMRI

Intervention Type OTHER

functional magnetic resonance imaging

symptomatic patients

fMRI patients with visual difficulties

Group Type EXPERIMENTAL

fMRI

Intervention Type OTHER

functional magnetic resonance imaging

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

fMRI

functional magnetic resonance imaging

Intervention Type OTHER

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

* Cataract surgery with an bilateral multifocal lens implant Restor

Symptomatic patients :

* Symptomatic bilateral visual difficulties for 3 months or more after the intervention which impact the daily activity

Asymptomatic patients :

* No visual complaint for 3 months or more after the intervention

Exclusion Criteria

* Patients with ophthalmology disorders
* Contra indication for fMRI
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

University Hospital, Toulouse

OTHER

Sponsor Role lead

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

Responsibility Role SPONSOR

Principal Investigators

Learn about the lead researchers overseeing the trial and their institutional affiliations.

Francois Malecaze, professor

Role: PRINCIPAL_INVESTIGATOR

University Hospital, Toulouse

Locations

Explore where the study is taking place and check the recruitment status at each participating site.

UHToulouse

Toulouse, , France

Site Status

Countries

Review the countries where the study has at least one active or historical site.

France

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

12 523 03

Identifier Type: -

Identifier Source: org_study_id

More Related Trials

Additional clinical trials that may be relevant based on similarity analysis.

Attention and Visual Perception
NCT00111293 COMPLETED
Brain Injury and Cognitive Function
NCT05922748 RECRUITING NA
Studying Motor Neuron Tests
NCT01517087 COMPLETED