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

Central or Peripheral Visual Impairment Clinical Trial

— BEHAVE  

Official title:

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

Clinical Trial Details — Status: Terminated

Administrative data

• NCT number: NCT03505398
• Other study ID #: RC17_0134
• Secondary ID: 2017-A00977-46
• Status: Terminated
• Phase: N/A
• Start date: May 15, 2018
• Est. completion date: June 20, 2023

Study information

• Verified date: January 2024
• Source: Nantes University Hospital
• Contact: n/a
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial 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.

Recruitment information / eligibility

• Status: Terminated
• Enrollment: 71
• Est. completion date: June 20, 2023
• Est. primary completion date: June 20, 2023
• Accepts healthy volunteers: No
• Gender: All
• Age group: 18 Years and older

Eligibility

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

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.

Related Conditions & MeSH terms

• Central or Peripheral Visual Impairment
• Vision Disorders
• Vision, Low

Intervention

Procedure:
• microperimetry
define the retinal fixation point and the differential sensitivity threshold of the retina.
• visual acuity
using ETDRS scales
• automated visual field
recording visual attention based on central or peripheral visual information
• eye movements recording
recording of explicit visual attention based on central or peripheral visual information

Locations

Country	Name	City	State
France	CHU de Nantes	Nantes

Sponsors (1)

Lead Sponsor	Collaborator
Nantes University Hospital

Country where clinical trial is conducted

France, 

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Measurement of visual acuity (central versus peripheral)		Day 0
Primary	Microperimetry recording (central versus peripheral)		Day 0
Primary	recording of automated visual field (central versus peripheral)		Day 0
Primary	recording of eye movements (central versus peripheral)		Day 0
Secondary	Measurement of visual acuity (patient versus control)		Day 0
Secondary	Microperimetry recording (patient versus control)		Day 0
Secondary	recording of automated visual field (patient versus control)		Day 0
Secondary	recording of eye movements (patient versus control)		Day 0