Comparison of intraocular lens (IOL) calculation with Ray-tracing method using Phacooptics and SRK/T formula

Status

Recruiting

Phases

Phase 3

Study type

Interventional

Source

TCTR

Registry ID

TCTR20150715002

Enrollment

Registered

2015-07-15

Start date

2015-07-15

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 IOL calculation formula cataract IOL calculation

Interventions

None listed

Eligibility

Sex/Gender

All

Age

40 Years to 90 Years

Inclusion criteria

Inclusion criteria: -age 40-90 -significant cataract that suiutable for phacoemulsification and IOL implantation -cataract is the only cause of significant visual impairment -axial length 22-25 mm -complete inform/consent -willing and able to comply with th study protocol

Exclusion criteria

Exclusion criteria: -unabe to insert IOL in the bag -multiple operative procedures at the time of IOL implantation - decentration of IOL more than 1 mm - preop astigmatism >1.5D - post op BCVA<20/40 - other ocular pathlogy that cause visual impairment that were not apparent prior to surgery:AMD macular edema,glaucoma,RD

Design outcomes

Primary

Measure	Time frame
accuracy of IOL power calculation,Phacooptics 1 month postop refraction	—

Secondary

Measure	Time frame
difference of accuracy of IOL power calculation using Phacooptics and SRK/T 1 month postop refraction	—

Countries

Thailand

Contacts

Public ContactOrasa Horatanaruang

,Faculty of Medicine ,Prince of Songkla university

horasa@medicine.psu.ac.th66-81-2768810

Outcome results