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Measurement of corneal curvature and diameter with Orbscan II and the Tracey wavefront aberrometer

Measurement of corneal curvature and diameter with Orbscan II and the Tracey wavefront aberrometer

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR-OCS-14005077
Enrollment
Unknown
Registered
2014-08-02
Start date
2014-08-02
Completion date
Unknown
Last updated
2017-04-18

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

Conditions

myopia

Interventions

myopia group:measure observations by two devices

Sponsors

Department of Ophthalmology,Xiangya Hospital, Central South University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
8 Years to 39 Years

Inclusion criteria

Inclusion criteria: myopes enrolled for preoperative assessment for SBK or Orthokeratology.

Exclusion criteria

Exclusion criteria: coexisting ocular diseases or amblyopia, contact lens wear within the preceding 2 weeks, corneal anomalies, and inability to cooperate.

Design outcomes

Primary

MeasureTime frame
visual acuity;corneal curvature;horizontal corneal diamete;—

Secondary

MeasureTime frame
refractive status;Q value;e value;—

Countries

China

Contacts

Public ContactXIA Xiao-bo
xbxia21@163.com+86 15874898016

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Mar 13, 2026