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A comparative study on vertex distance measurement between two different methods

A comparative study on vertex distance measurement between two different methods

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2400094892
Enrollment
Unknown
Registered
2024-12-30
Start date
2025-01-01
Completion date
Unknown
Last updated
2025-01-06

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

Conditions

vision loss

Interventions

Trail group:none

Sponsors

The Zhongshan Ophthalmic Center,Sun Yat-sen University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 30 Years

Inclusion criteria

Inclusion criteria: 1.College students, aged 18-30, regardless of gender, with spectacle glasses, voluntarily participate and sign informed consent.

Exclusion criteria

Exclusion criteria: 1.NA;

Design outcomes

Primary

MeasureTime frame
spectacle lens vertex distance;pantoscopic angle;wrap angle;—

Countries

China

Contacts

Public ContactZhi Lin

The Zhongshan Ophthalmic Center,Sun Yat-sen University

lzsmart@hotmail.com+86 20 66618932

Outcome results

None listed

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