A comparative study of ocular parameters with three optical biometric measurement devices

Status

Active, not recruiting

Phases

Early Phase 1

Study type

Observational

Source

ChiCTR

Registry ID

ChiCTR2200064459

Enrollment

Unknown

Registered

2022-10-09

Start date

2022-10-08

Completion date

Unknown

Last updated

2023-05-15

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

Conditions

cataract

Interventions

Case series:None

Eligibility

Sex/Gender

All

Age

5 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Aged between 5 and 80 years (including 5 and 80); 2. The equivalent spherical refraction ranges from +10.00D to -10.00D; 3. Astigmatism <= 2.00D; 4. Those who have obtained the informed consent of the subject and the legal guardian of the minor, and can carry out the experiment according to the requirements of the program.

Exclusion criteria

Exclusion criteria: 1. Previous history of eye diseases, eye surgery and trauma. 2. Can not fix eyes to cooperate with the examination. 3. Orthokeratology lens and other contact lens wearers. 4. Accompanied by severe or unstable heart, brain and psychiatric neurological disorders.

Design outcomes

Primary

Measure	Time frame
Axial length;Corneal keratometry;Anterior chamber depth;White-to-white distance;Central corneal thickness;Lens thickness;	—

Countries

China

Contacts

Public ContactChen Yang

Huangshi Aier Eye Hospital

chenyang221@hotmail.com+86 15072047571

Outcome results

None listed

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