Analysis of effective connections between stereovision related brain areas in amblyopia patients based on resting state functional magnetic resonance (fMRI)

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2000040912

Enrollment

Unknown

Registered

2020-12-15

Start date

2020-12-19

Completion date

Unknown

Last updated

2021-04-12

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

Conditions

Amblyopia

Interventions

amblyopia:non

normal control:non

Eligibility

Sex/Gender

All

Age

8 Years to 40 Years

Inclusion criteria

Inclusion criteria: 1. Aged 8 -40 years; 2. Amblyopia group: the best corrected visual acuity of amblyopia eye was = 1.00 D difference between eyes in spherical equivalent;(2) >= 1.50 D difference in astigmatism between corresponding meridians in the 2 eyes strabismus amblyopia:Horizontal or vertical deviation > 15 prisms;or with strabismus history; 3. Normal control group:normal visual acuity (with or without refraction correction) in both eyes; normal binocular visual function; and no history of strabismus or amblyopia or history of treatment; 4. Right-handedness.

Exclusion criteria

Exclusion criteria: 1. Other organic ocular lesions and history; 2. Psychiatric diseases and history; 3. Those who are claustrophobic or unable to cooperate with MRI examination due to metal implants and any other reasons.

Design outcomes

Primary

Measure	Time frame
effective connection;	—

Secondary

Measure	Time frame
Stereoscopic vision;Fine motor ability;BCVA;	—

Countries

China

Contacts

Public ContactLiu Longqian

West China Hospital Sichuan University

bq15651@hotmail.com+86 13708000190

Outcome results

None listed

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