The influence of near-work on the choroidal blood flow

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR2000040205

Enrollment

Unknown

Registered

2020-11-25

Start date

2020-12-01

Completion date

Unknown

Last updated

2023-11-27

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

Conditions

Myopia

Interventions

grouped according to age:near-work

Eligibility

Sex/Gender

All

Age

8 Years to 28 Years

Inclusion criteria

Inclusion criteria: 1. Children and adolescents aged 8-16 and adults aged 18-28 years; 2. Binocular spherical equivalent(SER) difference=1.0; 3. Accommodative amplitude>=6.00D.

Exclusion criteria

Exclusion criteria: 1. Strabismus or amblyopia; 2. IOP>21mmHg; 3. Patients who have received the treatment of myopia control such as atropine,progressive multifocal soft mirror and cornea shaping mirror; 4. Previous eye operation or other chronic eye disease; 5. Systemic disease such as respiratory disease and cardiovascular disease; 6. Other factors that the researchers think it inappropriate to participate in the study.

Design outcomes

Primary

Measure	Time frame
Choroidal blood flow;	—

Countries

China

Contacts

Public ContactHao Wu

Eye Optometry Hospital Affiliated to Wenzhou Medical University

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

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 8, 2026