Effect of a Myopia Control Lens on the Astigmatism in Children (MAC)
A Monocentre, Single-Arm Trial to Study the Effect of Lens Inspired by Myopia Control Solutions on the Astigmatism of a Child
The goal of this clinical trial is to investigate over a one-year period the effect of myopia control spectacle lenses on astigmatism in children aged 6 to 13 years with myopia and astigmatism.
The main question it aims to answer is:
- How does the eye respond at each timepoint to the myopia control lenses?
By evaluating: the change in astigmatism (cylinder) after one year?
Participants will:
Wear the assigned study spectacles daily
Visit the Essilor R&D Centre for scheduled follow-up sessions
Studieoversigt
Status
Betingelser
Intervention / Behandling
Undersøgelsestype
Tilmelding (Anslået)
Fase
- Ikke anvendelig
Kontakter og lokationer
Studiekontakt
- Navn: Thomas Boudenne
- E-mail: thomas.boudenne@essilor.com
Undersøgelse Kontakt Backup
- Navn: Celine Carimalo
- Telefonnummer: +65 67134600
- E-mail: carimalc@essilor.com.sg
Deltagelseskriterier
Berettigelseskriterier
Aldre berettiget til at studere
- Barn
Tager imod sunde frivillige
Beskrivelse
Inclusion Criteria:
- Volunteer participant
- Informed consent of parent or guardian and assent of participant
- Age equal to or greater than 6 years and less than 13 years (before 13th birthday) at the time of consent.
Refractive error (manifest refraction):
- With the rule astigmatism (defined as vertical meridian has steeper curvature, Astigmatism prescribing axis in between: 0 to 34° and 146 to 180°)
- Astigmatism should be more than or equal to 1.50D
- Least myopic meridian equal or less than -0.50D
- Most myopic meridian equal or greater than -5.50D.
- Anisometropia should be less than or equal to 1.00D
- Best corrected visual acuity: Better than 0.2 logMAR in each eye
Willingness and ability to:
- participate in trial for at least 12 months.
- attend scheduled visits.
- not to be involved in other myopia control treatments concurrently.
- No history of any myopia control interventions (i.e., myopia control spectacle lenses, myopia control contact lenses, orthokeratology lenses or atropine, etc.)
Exclusion Criteria:
History or presence of:
- An ocular disease
- Strabismus
- Amblyopia
Studieplan
Hvordan er undersøgelsen tilrettelagt?
Design detaljer
- Primært formål: Behandling
- Tildeling: N/A
- Interventionel model: Enkelt gruppeopgave
- Maskning: Ingen (Åben etiket)
Våben og indgreb
Deltagergruppe / Arm |
Intervention / Behandling |
|---|---|
|
Eksperimentel: Myopia Control Lens Prototype
Each participant will be fitted with a prototype lenslet-based spectacle lens to be worn continuously throughout the 12-month study period. Following the baseline and dispensing visit, participants will undergo follow-up assessments at 3, 6, and 12 months. These intervals will monitor change of myopia and astigmatism through standard refraction and ocular biometry measurements. Device Details: The myopia control spectacle lens utilized in this study features a lenslet-based design (incorporating a highly aspherical lenslet configuration). The lenses will be dispensed and worn daily for the duration of the 12-month evaluation period. |
Device Details: The myopia control spectacle lens utilized in this study features a lenslet-based design (incorporating a highly aspherical lenslet configuration). In this specific device, the lenslet are located in concentric rings. |
Hvad måler undersøgelsen?
Primære resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Change from baseline in the Cylinder value through non cycloplegic autorefraction
Tidsramme: 12 months
|
12 months
|
Sekundære resultatmål
Resultatmål |
Foranstaltningsbeskrivelse |
Tidsramme |
|---|---|---|
|
Change from baseline in the Keratometry value measured using a Keratometer
Tidsramme: 12 months
|
12 months
|
|
|
Change from baseline in the Axial Length value measured using a biometer
Tidsramme: 12 months
|
12 months
|
|
|
Quality of Life while wearing the study lenses measured through Questionnaire
Tidsramme: Baseline, 6 and 12 months
|
PREP 2 questionnaire: Pediatric Refractive Error Profile 2 The questionnaire is designed to assess the vision-specific quality of life in children who wear glasses or contact lenses. It covers seven areas: Vision, Symptoms, Handling, Peer Perception, Activities, Appearance, and Overall. The Child form is a 5 point agreement scale ranging from: Strongly Disagree, Disagree, Neutral, Agree, Strongly Agree The parent form is a 10 point agreement scale ranging from 1=likes and 10=dislikes |
Baseline, 6 and 12 months
|
Andre resultatmål
Resultatmål |
Tidsramme |
|---|---|
|
Safety: Change from baseline in the Axial Length value measured using a biometer
Tidsramme: 3 and 6 months
|
3 and 6 months
|
Samarbejdspartnere og efterforskere
Sponsor
Efterforskere
- Ledende efterforsker: Si Ying Lim, EssilorLuxottica
Datoer for undersøgelser
Studer store datoer
Studiestart (Anslået)
Primær færdiggørelse (Anslået)
Studieafslutning (Anslået)
Datoer for studieregistrering
Først indsendt
Først indsendt, der opfyldte QC-kriterier
Først opslået (Faktiske)
Opdateringer af undersøgelsesjournaler
Sidste opdatering sendt (Faktiske)
Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier
Sidst verificeret
Mere information
Begreber relateret til denne undersøgelse
Yderligere relevante MeSH-vilkår
Andre undersøgelses-id-numre
- WS10487
Plan for individuelle deltagerdata (IPD)
Planlægger du at dele individuelle deltagerdata (IPD)?
Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter
Studerer et amerikansk FDA-reguleret lægemiddelprodukt
Studerer et amerikansk FDA-reguleret enhedsprodukt
Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .