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Effect of optional biological parameters of Kane formula in the intraocular lens power calculation

Effect of optional biological parameters of Kane formula in the intraocular lens power calculation

Status
Recruiting
Phases
Early Phase 1
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2200059168
Enrollment
Unknown
Registered
2022-04-26
Start date
2022-05-01
Completion date
Unknown
Last updated
2024-02-19

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

Conditions

Cataract

Interventions

short axial length group:None
normal axial length group:None
long axial length group:None

Sponsors

Affiliated Hospital of North Sichuan Medical College
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. For patients with age-related cataract or complicated cataract caused by high myopia, the Emery nuclear grade is at grade II-IV; 2. Preoperative regular corneal diffuser <2.0D; 3. Conventional cataract phacoemulsification combined with intraocular lens implantation; 4. The operation went smoothly; 5. Complete preoperative data; 6. If both eyes were operated on the same patient, one eye was randomly selected to be included; 7. Implant ZCB00 intraocular lens.

Exclusion criteria

Exclusion criteria: 1. Patients with serious turbidity in the diopter interstitium before surgery, who could not be measured by IOLMaster 700; 2. Patients with diseases affecting the resolution of refractive media, such as pannus keratae, corneal disease, pterygium; 3. Patients with fundus lesions; 4. Patients with a history of eye surgery; 5. Patients with intraoperative complications, such as posterior capsule rupture, IOL implantation in ciliary groove, and lens nucleus falling into vitreous cavity; 6. Patients with postoperative complications, such as bleeding, infection, iris adhesion, IOL dislocation, subsequent cataract, macular edema, etc.

Design outcomes

Primary

MeasureTime frame
Axial length;Corneal curvature;Anterior chamber depth;Lens thickness;Center corneal thickness;Refractive power of intraocular lens;

Countries

China

Contacts

Public ContactLiao Xuan

Affiliated Hospital of North Sichuan Medical College

aleexand@163.com+86 15881782707

Outcome results

None listed

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