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Intraocular lens power calculation for combining cataract and pterygium surgeries

Intraocular lens power calculation for combining cataract and pterygium surgeries

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2200057893
Enrollment
Unknown
Registered
2022-03-21
Start date
2018-01-01
Completion date
Unknown
Last updated
2023-11-21

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

Conditions

cataract, pterygium

Interventions

1:In one group, the EKR in 3mm cornea was used to calculate the IOL power, classified as uncorrected corneal power group (UCG).

Sponsors

Hainan Eye Hospital
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. The patient is over 55 years old; 2. Age related cataract and pterygium were diagnosed; 3. Phacoemulsification cataract extraction combined with intraocular lens implantation and pterygium excision combined with auto conjunctival transplantation are planned; 4. Pupil enlarges by 7.0 mm or more; 5. The number of corneal endothelial cells is more than 1200/mm2.

Exclusion criteria

Exclusion criteria: 1. Other eye or systemic diseases that affect vision, such as diabetes retinopathy, glaucoma, age-related macular degeneration, uveitis or previous intraocular surgery; 2. If the patient has bilateral pterygium or pterygium reaches 3mm central cornea.

Design outcomes

Primary

MeasureTime frame
Visual Acurity;Astigmatism;—

Secondary

MeasureTime frame
spherical equivalent;—

Contacts

Public ContactMingbing Zeng

Hainan Eye Hospital

zengmingb@mail.sysu.edu.cn+86 13640218180

Outcome results

None listed

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