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

N/AWithdrawnNCT02529098

University Hospital, Toulouse

Overview

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

Study Type

INTERVENTIONAL

Allocation

NON_RANDOMIZED

Masking

NONE

Conditions

Vision Disorders

Interventions

fMRIOTHER

functional magnetic resonance imaging

Eligibility

Sex: ALLMin age: 18 YearsHealthy volunteers:

Medical Language ↔ Plain English

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

Locations (1)

UHToulouse

Toulouse, France

Outcomes

Primary Outcomes

Extent of neural activation in visual cortex measured by the number of voxels

compare the extent of neural activation in visual cortex between groups

Time frame: 1 day

Secondary Outcomes

extent of neural activation in visual cortex measured by the number of voxels

compare the extent of neural activation in the different area visual cortex between groups

Time frame: 1 day

Data from ClinicalTrials.gov

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