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

Nantes University Hospital (NUH)

Status: Terminated

Conditions: Central or Peripheral Visual Impairment

Treatments: Procedure: automated visual field; Procedure: microperimetry; Procedure: visual acuity; Procedure: eye movements recording

Study type: Interventional

Funder types: Other

Identifiers

NCT03505398

RC17_0134

2017-A00977-46 (Other Identifier)

Details and patient eligibility

About

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.

Enrollment: 71 patients

Sex: All

Ages: 18+ years old

Volunteers: No Healthy Volunteers

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.

Trial design

Primary purpose: Other

Allocation: Non-Randomized

Interventional model: Parallel Assignment

Masking: None (Open label)

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71 participants in 3 patient groups

central vision disorder

Experimental group

Treatment:

Procedure: visual acuity

Procedure: automated visual field

Procedure: eye movements recording

Procedure: microperimetry

peripheral vision disorder

Experimental group

Treatment:

Procedure: visual acuity

Procedure: automated visual field

Procedure: eye movements recording

Procedure: microperimetry

control

Other group

Treatment:

Procedure: visual acuity

Procedure: automated visual field

Procedure: eye movements recording

Procedure: microperimetry