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Study on the Clinical Application Value of Visual Perceptual Learning in the Management of Form Deprivation Amblyopia

Study on the Clinical Application Value of Visual Perceptual Learning in the Management of Form Deprivation Amblyopia

Status
Active, not recruiting
Phases
Phase 4
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600123750
Enrollment
Unknown
Registered
2026-04-29
Start date
2026-05-01
Completion date
Unknown
Last updated
2026-05-04

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

Conditions

Form deprivation amblyopia

Interventions

VPL Group:visual perceptual learning treatment software
Traditional treatment group:fine visual training (bead threading training)

Sponsors

Eye & ENT hospital of Fudan University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
3 Years to 18 Years

Inclusion criteria

Inclusion criteria: 1.Age = 3 years and < 18 years, any gender; 2.Meet the diagnosis of unilateral form deprivation amblyopia: interocular visual acuity difference = 0.2 (= 0.2 logMAR). Amblyopic eye: = 1.70 logMAR. Fellow eye: for children aged 3 years, = 0.40 logMAR; for children aged 4 years, = 0.30 logMAR; for children aged 5 years and above, = 0.20 logMAR; 3.At least 1 month after unilateral congenital cataract surgery, with a posterior chamber intraocular lens implanted, condition stable, and no risk of infection; 4.Have undergone appropriate optical correction with spectacles for at least 16 weeks, or have stable distance visual acuity (defined as a change of < 0.1 logMAR between two consecutive examinations using the same test method at an interval of at least 8 weeks); the operated eye after congenital cataract surgery requires appropriate bifocal spectacles; 5.Strabismus may be present, but central fixation must be achievable; 6.No amblyopia treatment other than spectacle correction within 8 weeks prior to enrollment, and total duration of standardized amblyopia treatment = 1 year;any treatment received more than 8 weeks prior to enrollment is acceptable; 7.Signed informed consent, voluntary participation in this trial, and good compliance.

Exclusion criteria

Exclusion criteria: 1.Patients wearing contact lenses; 2.Inability to cooperate with treatment due to skin allergy, photosensitivity, etc. 3.Subjects with limited activity due to illness, medication, or emotional state; 4.Presence of other ocular diseases or conditions that cause decreased vision (including nystagmus, vitreoretinal diseases, optic nerve diseases, glaucoma, corneal diseases, etc.); 5.Severe developmental delay, craniocerebral diseases, or psychological disorders (that may interfere with treatment or assessment); 6.Currently participating in other studies that may directly or indirectly affect the results of this study; 7.Inability to complete the testing and training, or other conditions deemed by the investigator to make the subject unsuitable for participation in the trial.

Design outcomes

Primary

MeasureTime frame
contrast sensitivity;best-corrected visual acuity;

Countries

China

Contacts

Public ContactWu Lianqun

Eye & ENT hospital of Fudan University

wulianqun19@aliyun.com+86 21 6437 7134

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: May 7, 2026