NCT07499180 A Study on Body Posture and Eye Movements During Screen Usage on Adults Aged 18 to 65 Wearing Various Types of Eyeglasses
| NCT ID | NCT07499180 |
| Status | Recruiting |
| Phase | — |
| Sponsor | Essilor International |
| Condition | Healthy Adults |
| Study Type | INTERVENTIONAL |
| Enrollment | 69 participants |
| Start Date | 2026-04-07 |
| Primary Completion | 2026-10 |
Eligibility & Interventions
Eligibility Fast-Check
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What to Expect as a Participant
You will actively receive the study intervention — which may be a drug, biologic, device, or procedure.
This trial targets 69 participants in total. It began in 2026-04-07 with a primary completion date of 2026-10.
⚠ This information is for research awareness only. Always consult your physician before joining any clinical trial. Participation is voluntary and you may withdraw at any time.
Brief Summary
The goal of this clinical study is to evaluate how adults aged 18 to 65 move their bodies and eyes when they use screens, with various eyeglasses. The main questions it aims to answer are : * How the behaviour between young and presbyopes is different while performing visual tasks on digital devices ? * How the behaviour while performing visual tasks changes according to different types of eyeglasses ? Participants will be asked to take part in an eye exam and do simple visual tasks on digital devices.
Eligibility Criteria
Inclusion Criteria: * Distance refractive error (equivalent sphere) between -3D and +3D * Astigmatism inferior or equal to 1D * Anisometropia inferior or equal to 1.5D * Addition (for presbyopes) between 0.75D and 2.75D * Minimum corrected visual acuity : 8/10 * Stable binocular vision Exclusion Criteria: * Employee of Essilor, Luxottica, GrandVision and their subsidiaries * Aphakia, pseudophakia or ocular surgery * Reported systemic pathology that affects vision * Medical treatment or taking medications that affect vision * Severe ocular pathology declared, involving a loss of visual field as in glaucoma, a loss of acuity * Reported neurological deficit, including a history of seizure or sensorimotor coordination disorders, vestibular or cerebellar pathology * Binocular vision problems such as amblyopia, strabismus, or double vision * Vertebral or cervical troubles * Difficulty to move, vertigo, ocular migraine
Contact & Investigator
Chloé Moger
PRINCIPAL INVESTIGATOR
Essilor International
Frequently Asked Questions
Who can join the NCT07499180 clinical trial?
This trial is open to participants of all sexes, aged 18 Years or older, up to 65 Years, studying Healthy Adults. Full inclusion and exclusion criteria are listed in the Eligibility Criteria section. Always confirm your eligibility with the research team before applying.
Is NCT07499180 currently recruiting?
Yes, NCT07499180 is actively recruiting participants. Contact the research team at mogerc@essilor.fr for enrollment information.
Where is the NCT07499180 trial being conducted?
This trial is being conducted at Paris, France.
Who is sponsoring the NCT07499180 clinical trial?
NCT07499180 is sponsored by Essilor International. The principal investigator is Chloé Moger at Essilor International. The trial plans to enroll 69 participants.