Premavision Cohort Follow-up

Visual Maturation in Prematurely Born Infants According to Factors Influencing Its Development. Premavision Follow-up at 18 Months Corrected Age, 4 and 7 Years of Age.

Status

Terminated

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT03207477

Acronym

PrmvsionSuiv

Enrollment

Registered

2017-07-02

Start date

2017-11-20

Completion date

2021-06-30

Last updated

2021-08-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Visual Disorder

Keywords

Infant, Prematurely born, maturation

Brief summary

This study aim at following a cohort of prematurely born infants at 18 months corrected age, 4 and 7 years of age. This cohort had an evaluation of visual maturation at term equivalent age (TEA) with factors associated with impaired visual maturation. (PREMAVISION-CLinicalTrials.gov ID: NCT02890251). In this follow-up study, prematurely born infants vision will be compared to term born infants matched for postnatal age.

Interventions

DIAGNOSTIC_TESTVisual acuity measurement

visual acuity measurement by Baby Vision cards at 18 months corrected age, by Rossano Weiss test at 4 years of age and optometric tests of Parinaud and Snellen at 7 years of age

Study design

Allocation

NON_RANDOMIZED

Intervention model

PARALLEL

Primary purpose

SCREENING

Masking

NONE

Intervention model description

Longitudinal cohort study with a control group

Eligibility

Sex/Gender

ALL

Age

18 Months to 7 Years

Healthy volunteers

Yes

Inclusion criteria

* Infants included in the Premavision cohort * Term born healthy control infants at matched postnatal age

Exclusion criteria

* Ocular malformation * Genetic abnormality * Neurodevelopmental impairment

Design outcomes

Primary

Measure	Time frame	Description
Visual acuity measurement	18 months corrected age	Baby Vision Cards

Secondary

Measure	Time frame	Description
Measurement of cyclopegic refraction	18 months corrected age	Non invasive refraction measurement by autorefractometer Cycloplégie par Skiacol

Countries

France

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026