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TerminatedNCT04819386NEIVATECHUpdated Oct 4, 2024

NEIVATECH Virtual Reality-based System for Amblyopia

An interventional study of Active vision therapy sessions with the NEIVATECH Virtual Reality-based system in Amblyopia, sponsored by Increase-Tech. Terminated at 2 sites in Spain. Open to participants aged 7 Years to 15 Years. Per ClinicalTrials.gov, last updated 2024-10-04.

Sponsored by Increase-Tech · Not applicable, Interventional, and Treatment

Why this study was terminated
Recruitment difficulties
Phase
Not applicable
Study type
Interventional
Enrollment
20
Allocation
Not applicable
Ages
7 Years to 15 Years
Sex
All
01

Study summary

The NEIVATECH system has been designed to provide binocular vision training to 7-15 year old amblyopic children by discriminating Gabor patches presented with different contrast to each eye as a perceptual learning task.

Read the detailed description

Due to the global impact of amblyopia, there is a medical and social need, and at the same time, a clear market niche, for the design and development of new therapies that can improve recurrence rates and non-compliance with conventional treatments. In this sense, the aim of this single-arm, multicentre, prospective pilot study is to examine the safety, acceptability and clinical efficacy of a novel Virtual Reality-based system designed to provide binocular vision training to 7-15 year old amblyopic children complementing the concepts of perceptual learning and dichoptic training with a gamification approach.

02

Conditions studied

  • Amblyopia

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Keywords

  • Amblyopic children
  • Perceptual learning
  • Dichoptic training
  • Virtual reality
  • Gamification
03

In context

Amblyopia

183 studies on the registry are indexed under Amblyopia; 43 are open to participants now.

This study's enrollment of 20 is below the median of 60 across 133 interventional studies indexed under Amblyopia.

Browse Amblyopia studies →

Lead sponsor

Increase-Tech is the lead sponsor of 3 studies on the registry; none are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
7 Years to 15 Years
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  • Children aged between 7 and 15 years.
  • VA in the amblyopic eye \< 0.1 logMAR units.
  • Interocular difference in VA ≥ 1 logMAR line.
  • Interocular difference in espherical equivalent ≥ 1 D.
  • Interpupillary distance (IPD) between 60.7 and 73.5 mm.
  • Use of best refractive correction for at least 2 months prior to inclusion.
  • Lack of response or therapeutic adherence to conventional occlusion therapy.
  • Willingness to attend all the active vision therapy sessions and/or visits of the study.
  • No history of previous treatment for amblyopia other than optimal refractive correction for at least 2 months prior to inclusion.

Exclusion criteria

Exclusion Criteria:

  • Active eye disease.
  • Previous ocular surgery.
  • BCVA in the amblyopic eye of ≥ 0.70 logMAR.
  • Presence of cognitive impairment or neurological or psychiatric disorders.
  • Presence of irregular cornea due to astigmatism or ectatic corneal disease.
05

Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
20 participants (actual)

Study arms

  • Experimental
    Active group

    18 half-hour in-office active vision therapy sessions with the NEIVATECH Virtual Reality-based system

    Other: Active vision therapy sessions with the NEIVATECH Virtual Reality-based system

Interventions

  • OtherActive vision therapy sessions with the NEIVATECH Virtual Reality-based system

    The active visual therapy sessions with the NEIVATECH Virtual Reality-based system will be 18 in total, will have an average duration of half an hour and will be distributed over a month as follows: 5 sessions in the first two weeks after enrollment (Monday to Friday) and 4 sessions in the next two weeks (Monday to Thursday).

06

What researchers measure

Primary outcomes

  1. Change in distance best-corrected visual acuity (BCVA)

    ETDRS, logMAR scale, maximum -0.3 (best) and minimum 1.20 (worse)

    Time frame: Baseline - 1 month

Secondary outcomes

  1. Change in near BCVA

    ETDRS, logMAR scale, maximum -0.3 (best) and minimum 1.20 (worse)

    Time frame: Baseline - 1 month

  2. Change in photopic contrast sensitivity function (CSF)

    CSV-1000 test for spatial frequencies of 3, 6, 12 and 18 cycles/degree

    Time frame: Baseline - 1 month

Other outcomes

  1. Change in refraction under cycloplegia

    Magnitude of sphere and cylinder (diopters), orientation of axis of astigmatism (degrees)

    Time frame: Baseline - 1 month

  2. Change in stereopsis

    Magnitude of stereoacuity (seconds of arc)

    Time frame: Baseline - 1 month

  3. Change in binocular vision

    Worth's four dot test and Four prism dioptre reflex text

    Time frame: Baseline - 1 month

  4. Change in fusional vergence

    Magnitude of base-out and base-in prisms needed to obtain diplopia while the patient is looking at a distance and near (40 cm) stimulus

    Time frame: Baseline - 1 month

  5. Change in accommodative facility

    Number of changes performed achieving an optimum focus using a spherical flipper of +-2.00 D while the patient is looking at a near optotype (VA 0,63)

    Time frame: Baseline - 1 month

  6. Change in near point of convergence

    Closest distance in cm in reference to the nasal root of the patient at which the subject is able to maintain single vision

    Time frame: Baseline - 1 month

07

Study locations

2 sites
  • Vithas Medimar International Hospital
    Alicante, 3016, Spain
  • University Clinical Hospital of Valladolid
    Valladolid, 47003, Spain
08

References and documents

Publications

  • Leal Vega L, Pinero DP, Hernandez Rodriguez CJ, Molina Martin A, Morales-Quezada L, Vallelado Alvarez AI, Arenillas Lara JF, Coco Martin MB. Study protocol for a randomized controlled trial of the NEIVATECH virtual reality system to improve visual function in children with anisometropic amblyopia. BMC Ophthalmol. 2022 Jun 7;22(1):253. doi: 10.1186/s12886-022-02466-z. PubMed 35672688 ↗

Individual participant data

Plan to share: No

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Oct 4, 2024, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT04819386
Lead sponsor
Increase-Tech
Collaborators
University of Alicante, University of Valladolid, Hospital Clínico Universitario de Valladolid
Responsible party
Juan Francisco Arenillas Lara (Principal Investigator, Increase-Tech) — Principal investigator
First posted
Mar 29, 2021
Start date
Jul 1, 2022
Primary completion
Jul 1, 2024
Completion
Sep 30, 2024
Last update
Oct 4, 2024

Study contacts

Juan Francisco Arenillas Lara, PhD
principal investigator · University of Valladolid

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is terminated, as verified in Sep 2023. You cannot join it, but the record below documents what was studied.

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