NCT07499180

A Study on Body Posture and Eye Movements During Screen Usage on Adults Aged 18 to 65 Wearing Various Types of Eyeglasses

Etude Des Comportements Posturaux et Oculomoteurs Durant l'Utilisation d'Outils Digitaux

• Status: Recruiting
• Phase: N/A
• Study type: Interventional
• Enrollment: 69 (estimated)
• Sponsor: Essilor International · Industry
• Sex: All
• Age: 18 Years – 65 Years
• Healthy volunteers: Accepted

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.

Conditions

• Healthy Adults

Interventions

Type	Name	Description
DEVICE	Eye exam	Participants will get an eye exam
OTHER	Body posture and eye movements behaviour of digital device users	Measurement of the body posture and eye movements behaviour of digital device users while performing simple visual tasks with various types of lenses

Timeline

• Start date: 2026-04-07
• Primary completion: 2026-10-01
• Completion: 2026-10-01
• First posted: 2026-03-30
• Last updated: 2026-04-13

Locations

1 site across 1 country: France