Study on the mechanism of accommodation stimuli on choroidal blood flow in adults

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2300076107

Enrollment

Unknown

Registered

2023-09-25

Start date

2023-09-30

Completion date

Unknown

Last updated

2023-10-03

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

Conditions

Myopia

Interventions

Test group:Tropicamide Eye Drops

Eligibility

Sex/Gender

All

Age

20 Years to 30 Years

Inclusion criteria

Inclusion criteria: 1. Age 40-50, gender unlimited; 2. -6.00D = binocular spherical equivalent refraction (SER) = -0.50D, interocular SER difference = 1.50D, astigmatism =1.50D; Best corrected far visual acuity = 0.8; 3.accommodative amplitude = 6D.

Exclusion criteria

Exclusion criteria: 1. Eye trauma, surgery or other chronic eye diseases; 2. Strabismus; 3. Intraocular pressure = 21mmHg, interocular pressure difference = 5mmHg; 4. History of systemic diseases, such as hypertension, diabetes, hyperlipidemia, etc.; 5. Other conditions researchers think that it is not suitable to participate in the study.

Design outcomes

Primary

Measure	Time frame
Choroidal thickness;Choroidal vascularity index;Choriocapillaris flow deficits;	—

Countries

China

Contacts

Public ContactHao Wu

Eye Hospital, Wenzhou Medical University

wuhao@mail.eye.ac.cn+86 159 5871 0273

Outcome results

None listed

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