Study of Visual-spatial Attention by Eye Tracking as a Function of Central or Peripheral Visual Impairment

Not Applicable

Terminated

• Conditions: Central or Peripheral Visual Impairment
• Interventions: Procedure: microperimetry; Procedure: visual acuity; Procedure: automated visual field; Procedure: eye movements recording

• Registration Number: NCT03505398
• Lead Sponsor: Nantes University Hospital

Brief Summary

The objective of this pilot work is to determine the role of central and peripheral visions in explicit attention processes (saccade planning) in the case of visual impairment.

Detailed Description

Not available

Basic Information
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Recruitment & Eligibility
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Study & Design
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Trial Locations

Study Timeline

• Study First Submitted: 2018-03-27
• Study First Submitted QC: 2018-04-20
• Study First Posted: 2018-04-23
• Study Start: 2018-05-15
• Primary Completion: 2023-06-20
• Study Completion: 2023-06-20
• Status Verified: 2024-01
• Last Update Submitted: 2024-01-31
• Last Update Posted: 2024-02-01

Recruitment & Eligibility

• Status: TERMINATED
• Sex: All
• Target Recruitment: 71

Inclusion Criteria

• Male or female ≥18 years;
• Patient with a central visual deficit (central scotoma on the visual field: DMLA, cones dystrophy ...) or peripheral (annular scotoma: chronic glaucoma, retinitis pigmentosa ...) or without visual deficit (corrected visual acuity and visual field)
• Patient agreeing to participate in the study and signing informed consent
• Patient affiliated to social security

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Exclusion Criteria

• Pregnant woman
• Patient with known epilepsy
• Major under judicial safeguard, or deprived of liberty
• Major under guardianship or curatorship or admitted to a health or social institution for purposes other than research.

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Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
control	eye movements recording	-
central vision disorder	microperimetry	-
control	microperimetry	-
central vision disorder	eye movements recording	-
peripheral vision disorder	visual acuity	-
central vision disorder	visual acuity	-
central vision disorder	automated visual field	-
peripheral vision disorder	automated visual field	-
peripheral vision disorder	microperimetry	-
peripheral vision disorder	eye movements recording	-
control	visual acuity	-
control	automated visual field	-

Primary Outcome Measures

Name	Time	Method
Microperimetry recording (central versus peripheral)	Day 0
recording of automated visual field (central versus peripheral)	Day 0
Measurement of visual acuity (central versus peripheral)	Day 0
recording of eye movements (central versus peripheral)	Day 0

Secondary Outcome Measures

Name	Time	Method
recording of automated visual field (patient versus control)	Day 0
Microperimetry recording (patient versus control)	Day 0
recording of eye movements (patient versus control)	Day 0
Measurement of visual acuity (patient versus control)	Day 0

Trial Locations

Locations (1)

CHU de Nantes; 🇫🇷 Nantes, France