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Comparison of Reference and Target Meridian for Toric Intraocular Lens Placement between the Two Digital Image-Guided Systems

Comparison of Reference and Target Meridian for Toric Intraocular Lens Placement between the Two Digital Image-Guided Systems

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
TCTR
Registry ID
TCTR20190930003
Enrollment
Unknown
Registered
2019-09-30
Start date
2018-06-01
Completion date
Unknown
Last updated
2026-08-03

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

Conditions

cataract Toric&#44

Interventions

Captured photographs from the patients who had cataract surgery and digital image analysis at King Chulalongkorn Memorial Hospital (KCMH) and Sukhumvit hospital
Diagnostic
cataract group

Sponsors

Ratchadaphiseksomphot Endowment Fund (in progress)
Lead Sponsor
Ratchadaphiseksomphot Endowment Fund (in progress)
Collaborator

Eligibility

Sex/Gender
All
Age
18 Years to 90 Years

Inclusion criteria

Inclusion criteria: - Intraoperative captured photographs from adult patients (age more than 18) with diagnosis of cataract and astigmatism who need phacoemulsification with toric IOL implantation - Captured photographs display both of Verion® and Callisto ® just before operation

Exclusion criteria

Exclusion criteria: Captured photographs with poor quality

Design outcomes

Primary

MeasureTime frame
Difference of toric IOL alignment meridian generated from the Verion® and Callisto intraoperative period Difference of angle of toric plane of 2 imaging system using ImageJ software

Secondary

MeasureTime frame
factors associated the difference of toric IOL alignment meridian between two intraoperative period Association of anatomical factors that related to difference of toric angle

Countries

Thailand

Contacts

Public ContactPrin Rojanapongpun

Chulalongkorn University

prinoph@gmail.com0-2256-4142

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026