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The Efficacy of a Polarized Folded Optical Path-based Reading-writing Desk for Myopia Prevention and Control in Pre-myopic Children

29 oktober 2026 bijgewerkt door: Beijing Tongren Hospital

A Randomized Controlled Trial on the Efficacy of a Polarized Folded Optical Path-based Reading-writing Desk for Myopia Prevention and Control in Pre-myopic Children

The goal of this clinical trial is to evaluate the efficacy and safety of the polarized folded optical path reading and writing device in myopia prevention onset in 5-10 year old children with pre myopia. It will also integrate AI based fundus photography risk stratification, wearable environmental exposure monitoring, and far display screen behavioral recognition data to construct predictive models for myopia onset risk and intervention response, thereby establishing a precision prevention and control paradigm for this population. The main questions it aims to answer are:

  • How can early risk identification, scenario based precision intervention, and objective efficacy prediction be achieved in pre myopic children?
  • What is the mechanism of action of the device on the accommodation-choroid-axial length axis?
  • What is the dose-response relationship among multispectral input, real world visual behaviors, and prophylactic efficacy?
  • How does the multimodal collaborative regulatory mechanism integrating risk stratification, environmental monitoring, and behavioral recognition operate? Researchers will compare participants using the polarized folded optical path reading and writing device against those not equipped with equivalent viewing distance extending optical devices (Intervention Group: using the polarized folded optical path reading and writing device; control group: not equipped with equivalent viewing distance extending optical devices) to determine the relative efficacy of the device in controlling myopia progression.

Participants will:

  • If assigned to the intervention group, use the polarized folded optical path reading and writing device as their daily reading and writing tool for 12 months, with a target usage of ≥2 hours/day and ≥5 compliant days/week; if assigned to the control group, use myopia prevention desk lamps and posture correctors while maintaining their habitual visual behaviors.
  • Attend clinic visits at baseline and at 3, 6, 9, and 12 months for comprehensive eye examinations.
  • Maintain diaries documenting wearable environmental exposure data, real world far display screen usage behaviors, and any adverse events; additionally, undergo collection of color fundus photographs and AI derived fundus risk scores at the scheduled visits.

Studie Overzicht

Studietype

Ingrijpend

Inschrijving (Geschat)

200

Fase

  • Niet toepasbaar

Contacten en locaties

In dit gedeelte vindt u de contactgegevens van degenen die het onderzoek uitvoeren en informatie over waar dit onderzoek wordt uitgevoerd.

Studie Locaties

      • Beijing, China
        • Beijing Tongren Hospital
        • Contact:

Deelname Criteria

Onderzoekers zoeken naar mensen die aan een bepaalde beschrijving voldoen, de zogenaamde geschiktheidscriteria. Enkele voorbeelden van deze criteria zijn iemands algemene gezondheidstoestand of eerdere behandelingen.

Geschiktheidscriteria

Leeftijden die in aanmerking komen voor studie

5 jaar tot 10 jaar (Kind)

Accepteert gezonde vrijwilligers

Ja

Geslachten die in aanmerking komen voor studie

Allemaal

Beschrijving

Inclusion Criteria:

  • Age 5 to 10 years (inclusive) on the date of signing informed consent.
  • Pre myopia status, defined as a spherical equivalent refraction (SER) measured by cycloplegic refraction in both eyes, with values satisfying -0.50 D < SER ≤ +0.75 D.
  • Astigmatism (cylinder power) ≤1.50 D and anisometropia ≤1.50 D in both eyes.
  • A daily need for reading and writing, and a home environment that allows the use of the reading and writing device / eye protection desk lamp and posture corrector.
  • Signed informed consent obtained from the parent(s) or legal guardian(s); for children aged 7 years and older, an additional child assent form must also be signed.
  • Willingness to comply with the scheduled follow up visits throughout the 24 month study period, with no plan for long term relocation to a different area.

Exclusion Criteria:

  • Any ocular disease that may affect refractive development, including amblyopia, strabismus, congenital cataract, glaucoma, keratoconus, ptosis, significant ocular surface disease, or other relevant conditions.
  • Use of any of the following myopia control interventions within 6 months prior to enrollment: orthokeratology (OK) lenses, low concentration atropine, repeated low level red light therapy, defocus incorporated soft contact lenses, peripheral defocus spectacle lenses, pirenzepine, or any other medication/device known to have a myopia control effect.
  • Presence of systemic diseases (e.g., neurodevelopmental disorders, connective tissue diseases, or ongoing systemic glucocorticoid therapy or other medications affecting ocular development) that may influence visual development or study compliance.
  • Known allergy to cycloplegic agents in the child or parent/guardian.
  • Explicit statement by the parent/guardian of intention to use additional myopia interventions during the study period.
  • Any other condition deemed by the principal investigator (PI) to render the participant unsuitable for enrollment.

Studie plan

Dit gedeelte bevat details van het studieplan, inclusief hoe de studie is opgezet en wat de studie meet.

Hoe is de studie opgezet?

Ontwerpdetails

  • Primair doel: Preventie
  • Toewijzing: Gerandomiseerd
  • Interventioneel model: Crossover-opdracht
  • Masker: Enkel

Wapens en interventies

Deelnemersgroep / Arm
Interventie / Behandeling
Actieve vergelijker: Controlegroep

Participants in the control group will use an eye-care desk lamp and a desk posture corrector (with a reading and writing distance of 33 cm).

Experimenteel: polarized folded optical path reading and writing device

Polarized folded optical path reading and writing device. Through polarized folded optical path, it transforms near-work visual input into a distant virtual image.

Wat meet het onderzoek?

Primaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Incidence of myopia
Tijdsspanne: from baseline to 24±1 months

The proportion of participants who develop myopia during the follow-up period among those who were non-myopic at baseline.

from baseline to 24±1 months

Secundaire uitkomstmaten

Uitkomstmaat
Maatregel Beschrijving
Tijdsspanne
Change in Axial Length (AL)
Tijdsspanne: baseline and 3, 6, 9, 12, 15, 18, 21, 24 months.
baseline and 3, 6, 9, 12, 15, 18, 21, 24 months.
Change in accommodative lag
Tijdsspanne: from baseline to 24±1 months
from baseline to 24±1 months
Change in Spherical Equivalent Refraction (SER)
Tijdsspanne: baseline and 3, 6, 9, 12, 15, 18, 21, 24 months.
baseline and 3, 6, 9, 12, 15, 18, 21, 24 months.
Change in NITM amplitude
Tijdsspanne: from baseline to 24±1 months
from baseline to 24±1 months
Choroidal thickness
Tijdsspanne: from baseline to 24±1 months
from baseline to 24±1 months
Incidence of myopic fundus changes
Tijdsspanne: from baseline to 24±1 months

The proportion of participants who develop any of the following myopic fundus changes on color fundus photography during the follow-up period, among those without these changes at baseline:

  1. tessellated fundus (visible choroidal vessels in the posterior pole),
  2. optic disc tilt (tilt ratio ≤ 0.75),
  3. peripapillary atrophy,
  4. posterior staphyloma,
  5. myopic maculopathy (META-PM Category ≥ 2). Participants with any one of these findings at any follow-up visit are counted as incident cases.
from baseline to 24±1 months

Medewerkers en onderzoekers

Hier vindt u mensen en organisaties die betrokken zijn bij dit onderzoek.

Studie record data

Deze datums volgen de voortgang van het onderzoeksdossier en de samenvatting van de ingediende resultaten bij ClinicalTrials.gov. Studieverslagen en gerapporteerde resultaten worden beoordeeld door de National Library of Medicine (NLM) om er zeker van te zijn dat ze voldoen aan specifieke kwaliteitscontrolenormen voordat ze op de openbare website worden geplaatst.

Bestudeer belangrijke data

Studie start (Geschat)

13 oktober 2026

Primaire voltooiing (Geschat)

30 juni 2028

Studie voltooiing (Geschat)

30 juni 2028

Studieregistratiedata

Eerst ingediend

14 september 2026

Eerst ingediend dat voldeed aan de QC-criteria

29 oktober 2026

Eerst geplaatst (Werkelijk)

3 november 2026

Updates van studierecords

Laatste update geplaatst (Werkelijk)

3 november 2026

Laatste update ingediend die voldeed aan QC-criteria

29 oktober 2026

Laatst geverifieerd

1 oktober 2026

Meer informatie

Termen gerelateerd aan deze studie

Trefwoorden

Andere studie-ID-nummers

  • L2609037
  • L2609037 (Ander subsidie-/financieringsnummer: Supported by Beijing Natural Science Foundation(L2609037))

Plan Individuele Deelnemersgegevens (IPD)

Bent u van plan om gegevens van individuele deelnemers (IPD) te delen?

NEE

Informatie over medicijnen en apparaten, studiedocumenten

Bestudeert een door de Amerikaanse FDA gereguleerd geneesmiddel

Nee

Bestudeert een door de Amerikaanse FDA gereguleerd apparaatproduct

Nee

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