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Efficiency and safety of iAVT technique in residual amblyopia

Efficiency and safety of iAVT technique in residual amblyopia

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2300075594
Enrollment
Unknown
Registered
2023-09-08
Start date
2023-05-13
Completion date
Unknown
Last updated
2025-01-13

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

Conditions

Amblyopia

Interventions

Experimental Group for iAVT Training:The amblyopic eye underwent 5 cycles of iAVT training, totaling 50 sessions.
Control Group Extended Masking:Amblyopic eye patching for 6 hours per day, 42 hours per week, lasting for 10 weeks.

Sponsors

School of Ophthalmology & Optometry and Eye Hospital, Wenzhou Medical University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
4 Years to 10 Years

Inclusion criteria

Inclusion criteria: 1. Patients clinically diagnosed with amblyopia and treated: with significant refractive error, strabismic, or a combination of both; who have undergone at least 12 weeks of glasses and occlusion therapy, with occlusion for 2 hours daily; during two follow-up visits spaced at least 6 weeks apart, there was no significant improvement in visual acuity (confirmed by retesting), and no change in glasses prescription during this period; 2. Severity of amblyopia: Visual acuity ranging from 0.15 to 0.5 (inclusive) with an interocular difference of more than 2 lines; or visual acuity of the amblyopic eye is 0.6 (or 20/32), with an interocular difference of at least 3 lines; 3. Normal vision in the healthy eye with a visual acuity of 0.6 (or 20/32) or better; 4. Compliance with a daily occlusion regimen of 2 hours per day, with a minimum of 10 hours per week; 5. Aged 4-10 years; 6. Informed consent form signed by one of the parents and/or legal guardian.

Exclusion criteria

Exclusion criteria: 1. Patients with other organic ophthalmic diseases in the eye that have not yet been treated; 2. History of neurological or psychiatric disorders; 3. Unable to cooperate in completing the examination and training.

Design outcomes

Primary

MeasureTime frame
Best-corrected visual acuity for amblyopic eyes;

Secondary

MeasureTime frame
Best-corrected visual acuity in the fellow eye;Near stereo acuity;Pediatric eye Quality of Life Assessment;Eye position;Compliancy;

Countries

China

Contacts

Public ContactYu Huanyun

Strabismus amblyopia, Eye Hospital, WMU

huanyunyu@126.com+86 138 6770 2807

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026