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An Event Related Potentials (ERP) study: Visual attention deficits in strabismic and anisometropic amblyopia

An ERP study: Visual attention deficits in strabismic and anisometropic amblyopia

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR1900022407
Enrollment
Unknown
Registered
2019-04-10
Start date
2019-05-01
Completion date
Unknown
Last updated
2019-04-15

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

Conditions

amblyopia

Interventions

Sponsors

West China Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
13 Years to 32 Years

Inclusion criteria

Inclusion criteria: Inclusion criteria for amblyopia: The diagnostic criteria for amblyopia refer to the expert consensus published by the Department of Strabismus and Pediatric Ophthalmology of the Chinese Medical Association in 2011; aged 12 to 35 years; visual acuity of amblyopic eye 0.15 to 0.48 (LogMAR); Patients with anisometropic amblyopia have difference in spherical diopter of =1.5D between two eyes or difference in cylindrical diopter of =1.00D; patients with strabismic amblyopia are amblyopia patients who have or have suffered from strabismus and are central gaze. Inclusion criteria for normal subjects: age 12 to 35 years; no other history of organic eye disease; best corrected visual acuity of both eyes = 0.0 (LogMAR); with normal binocular vision.

Exclusion criteria

Exclusion criteria: Other abnormalities in the eye; nervous system diseases; abnormal mental or psychological state; systemic diseases.

Design outcomes

Primary

MeasureTime frame
P3a's Latency;P3a's Amplitude;

Secondary

MeasureTime frame
Response Time;Accuracy;

Countries

China

Contacts

Public ContactLiu Longqian

West China Hospital, Sichuan University

b.q15651@hotmail.com+86 18980601759

Outcome results

None listed

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