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Ny amblyopibehandling med Virtual Reality-spil

3. november 2026 opdateret af: Marjean Kulp

Ny amblyopibehandling med dikoptiske, uensartede, hånd-øje-koordinationsforbedrede, seriøse Virtual Reality-spil

The goal of this study is to compare the change in amblyopic eye acuity between treatment periods in children with amblyopia, aged 5-17 years. The main question it aims to answer is:

Is a 16-week course of amblyopia treatment using Vivid Vision Therapeutic (Dichoptic) Virtual Reality Games for approx. 25 min/day, 6 days/week more effective for improvement in amblyopic-eye VA, binocularity (stereoacuity, suppression, alignment), contrast sensitivity, attention, oculomotor function, visual-motor integration, and quality of life than 16 weeks of continued glasses alone?

Participants will each serve as their own control and complete:

Treatment period 1: Continued optical correction (glasses) alone for 16 weeks; Treatment period 2: Vivid Vision Therapeutic (Dichoptic) Virtual Reality Games for 16 weeks (approx. 25min/day, 6 days/week) plus continued optical correction

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

3

Fase

  • Ikke anvendelig

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

    • Ohio
      • Columbus, Ohio, Forenede Stater, 43210
        • The Ohio State University College of Optometry

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

5 år til 17 år (Barn)

Tager imod sunde frivillige

Ingen

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

Patients ages 5 to 17 years of age

  • Moderate to severe unilateral amblyopia (logMAR best corrected visual acuity 0.3 to 1.3) associated with anisometropia and/or strabismus of ≤5pd
  • Age normal VA in the nonamblyopic eye
  • Spectacle correction (if required) worn for at least 16 weeks, or until stability of VA is demonstrated (<0.1 logMAR change by the same testing method measured on 2 exams at least 8 weeks apart)
  • Interocular difference of ≥ 3 lines
  • No amblyopia treatment in the past 2 weeks
  • An interpupillary distance of 52-72 mm (inclusive)

Exclusion Criteria:

  • Myopia greater than -6.00 diopters (D) spherical equivalent in either eye.
  • Previous intraocular or refractive surgery.
  • Previous dichoptic treatment > 2 weeks in duration
  • Ocular co-morbidity that may reduce visual acuity determined by an ocular examination performed within the past 7 months (Note: nystagmus per se does not exclude the participant if the above visual acuity criteria are met).
  • Diplopia more than once per week over the last week prior to enrollment by parental report.
  • Down syndrome or cerebral palsy.
  • Light-induced seizures
  • Known simulator sickness
  • Severe developmental delay that would interfere with treatment or evaluation (in the opinion of the investigator). Participants with mild speech delay or reading and/or learning disabilities are not excluded.

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Behandling
  • Tildeling: Ikke-randomiseret
  • Interventionel model: Crossover opgave
  • Maskning: Enkelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Aktiv komparator: Optical Correction alone

Optical correction alone (16 weeks) (Each participant will complete both study conditions.)

Optical correction (if needed)

Eksperimentel: Therapeutic (Dichoptic) Virtual Reality Games plus Continued Optical Correction

Therapeutic (Dichoptic) Virtual Reality Games plus continued optical correction (16 weeks) (Each participant will complete both study conditions.)

Optical correction (if needed)

Virtual Reality Game play for amblyopia treatment

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Difference in Mean Change in Amblyopic Eye Visual Acuity
Tidsramme: Baseline to 16 weeks versus 16 weeks to 32 weeks

Optical correction worn for testing using Amblyopia Treatment Study (ATS) protocol; HOTV for ages 5-6 years; E-ETDRS for ages 7 years and older

Baseline to 16 weeks versus 16 weeks to 32 weeks

Sekundære resultatmål

Resultatmål
Foranstaltningsbeskrivelse
Tidsramme
Difference in Change in Stereoacuity/Binocularity
Tidsramme: Baseline to 16 weeks versus 16 weeks to 32 weeks

Optical correction worn for testing. Stereoacuity scores (seconds of arc) calculated based on the Randot Butterfly (scores: 2000, Nil) and Randot Preschool stereoacuity (scores: 800, 400, 200, 100, 60 and 40) tests. Lower scores indicate better stereoacuity. Nil (4000) defined as an incorrect response (or lack of an attempt) on the butterfly without a correct response on 800 seconds of arc level of Randot Preschool stereoacuity test. Stereoacuity scores will be ordered and assigned a rank score. Change in stereoacuity will be calculated as the difference in change in ranked score.

Baseline to 16 weeks versus 16 weeks to 32 weeks
Difference in Mean Change in Amblyopic-Eye Contrast Sensitivity
Tidsramme: Baseline to 16 weeks versus 16 weeks to 32 weeks

Optical correction worn for testing. Spot Checks;Contrast sensitivity scores range from unable (<0.90), and then from 0.90 to 2.05 (by 0.05 log contrast sensitivity units).

Baseline to 16 weeks versus 16 weeks to 32 weeks
Difference in Mean Change in Attention
Tidsramme: Baseline to 16 weeks versus 16 weeks to 32 weeks

Optical correction worn for testing. The Children's Color Trails Test (CCTT) is a neuropsychological standardized test that measures attention, divided attention, and speed of mental processing.

Baseline to 16 weeks versus 16 weeks to 32 weeks
Difference in Mean Change in reading eye movements
Tidsramme: Baseline to 16 weeks versus 16 weeks to 32 weeks

Optical correction worn for testing with Readalyzer eye tracker.

Baseline to 16 weeks versus 16 weeks to 32 weeks
Difference in Mean Change in visual-motor integration
Tidsramme: Baseline to 16 weeks versus 16 weeks to 32 weeks

Optical correction worn for testing. Beery Visual-Motor Integration; standard scores with mean of 100, standard deviation of 15

Baseline to 16 weeks versus 16 weeks to 32 weeks
Difference in Mean Change in Pediatric Eye Questionnaire (PedEyeQ)
Tidsramme: Baseline to 16 weeks versus 16 weeks to 32 weeks

Pediatric Eye Questionnaire (PedEyeQ) domain score; scores for questionnaire items will be obtained from published look-up tables available at www.pedig.net; scaled to score from 0 to 100 (worst to best)

Baseline to 16 weeks versus 16 weeks to 32 weeks

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

Samarbejdspartnere

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

14. marts 2024

Primær færdiggørelse (Faktiske)

29. juli 2026

Studieafslutning (Faktiske)

29. juli 2026

Datoer for studieregistrering

Først indsendt

15. september 2023

Først indsendt, der opfyldte QC-kriterier

15. september 2023

Først opslået (Faktiske)

22. september 2023

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

6. november 2026

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

3. november 2026

Sidst verificeret

1. juli 2025

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • 2023H0013

Plan for individuelle deltagerdata (IPD)

Planlægger du at dele individuelle deltagerdata (IPD)?

INGEN

Lægemiddel- og udstyrsoplysninger, undersøgelsesdokumenter

Studerer et amerikansk FDA-reguleret lægemiddelprodukt

Ingen

Studerer et amerikansk FDA-reguleret enhedsprodukt

Ja

produkt fremstillet i og eksporteret fra U.S.A.

Ja

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