Evaluation of Retinal Microvasculature in Constant and Intermittent Exotropia by Optical Coherence Tomography Angiography

Evaluation of Macular Vascular Plexus Density and Foveal Avascular Zone in Constant and Intermittent Exotropia by Optical Coherence Tomography Angiography

Status

Recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2100052577

Enrollment

Unknown

Registered

2021-10-31

Start date

2021-11-30

Completion date

Unknown

Last updated

2022-10-17

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

Conditions

Exotropia

Interventions

Exotropia group:Nil

XT group:Nil

Control group:Nil

Eligibility

Sex/Gender

All

Age

5 Years to 65 Years

Inclusion criteria

Inclusion criteria: 1. Patients with IXT and XT presenting to our hospital who prepared to undergo surgical therapy for strabismus; 2. A best corrected visual acuity (BCVA) of either eye of 20/20 or better; 3. Best corrected visual acuity of at least 1.0 for both eyes, diopter, no more than 6.0D for spherical lens and no more than 3.0D for column lens; 4. No other types of strabismus.

Exclusion criteria

Exclusion criteria: 1. Amblyopia, high myopia, anisometropia, macular degeneration or retinal diseases; 2. Poor image quality, less than 6/10; 3. Previous eye surgery history; 4. Severe cataracts, glaucoma, retinal detachment and systemic diseases such as diabetes.

Design outcomes

Primary

Measure	Time frame
superficial retinal capillary plexus, SCP;deep retinal capillary plexus, DCP;Retinal thickness;Foveal Avascular Zone, FAZ;	—

Countries

China

Contacts

Public ContactYao Jingyan

Department of Ophthalmology, the First Affiliated Hospital of Soochow University

yjysdfyy@163.com+86 18943807362

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 11, 2026