Status unknownNCT04443101Updated Mar 7, 2023

Effective Lens Position After Cataract Surgery

An observational study in Age-related Cataract, sponsored by Wenzhou Medical University. Status unknown at 2 sites in China. Open to participants aged 40 Years to 90 Years. Per ClinicalTrials.gov, last updated 2023-03-07.

Sponsored by Wenzhou Medical University · Observational

The sponsor has not verified this record recently (last verified Mar 2023), so the status shown — last known as Recruiting — may be out of date.

Study type: Observational
Model: Case-only
Time perspective: Prospective
Enrollment: 300
Ages: 40 Years to 90 Years
Sex: All

Study summary

Cataract patients were implanted with different types of intraocular lenses for grouping. SSOCT scanning was used to measure ELP and optometry.

Read the detailed description

Cataract patients were implanted with different types of intraocular lenses for grouping. Perform SSOCT scan that was used to measure effective lens position and optometry at different postoperative follow-up time .

Conditions studied

Age-related Cataract

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Cataract 1,701

In context

Cataract

1,701 studies on the registry are indexed under Cataract; 230 are open to participants now.

This study's planned enrollment of 300 is above the median of 81 across 484 observational studies indexed under Cataract.

Browse Cataract studies →

Lead sponsor

Wenzhou Medical University is the lead sponsor of 93 studies on the registry; 8 are open to participants now.

Counted across the registry records on this site, refreshed daily.

Who can participate

Ages eligible: 40 Years to 90 Years
Sexes eligible: All
Accepts healthy volunteers: No
Sampling method: Non-probability sample

Study population

Diagnosed as cataract in our hospital;
Implanted intraocular lens: SN6CWS, Aspira-aA, MI60;
Cataract phacoemulsification and intraocular lens implantation.

Inclusion criteria

a.Diagnosed as cataract;
b.Implanted intraocular lens: SN6CWS, Aspira-aA, MI60;
c.Cataract phacoemulsification and intraocular lens implantation.

Exclusion criteria

Exclusion Criteria:

a.Combined with corneal opacity, glaucoma, uveitis, retinal detachment and other eye diseases;
b.A history of intraocular surgery or trauma other than cataract surgery;
c.Intraoperative complications such as tearing of the capsule and IOL failure to implant;
d.Endophthalmitis, corneal endothelial decompensation and other postoperative complications;
e.Those with incomplete data collected during the follow-up period of postoperative patients.

Study design

Observational model: Case-only
Time perspective: Prospective
Enrollment: 300 participants (estimated)
Patient registry: No

Groups and cohorts

Group（SN6CWS）
Group（SN6CWS）：Implant SN6CWS intraocular lens
Other: different types of intracular lens
Group（MI60）
Group（MI60）：Implant MI60 intraocular lens
Other: different types of intracular lens
Group（Aspira-aA）
Group（Aspira-aA）：Implant Aspira-aA intraocular lens
Other: different types of intracular lens

Interventions

Otherdifferent types of intracular lens
different types of intracular lens

What researchers measure

Primary outcomes

effective lens position
Changes of effective lens position at different time points after cataract surgery
Time frame: up to 3 months after cataract surgery

Study locations

2 of 2 sites recruiting

Ophthalmology and Optometry Hospital
Wenzhou, Zhejiang 325027, China
- yun-e zhao · Contact · +86 13819707056
Recruiting
Wenzhou Medical University
Wenzhou, Zhejiang 325027, China
- XIXIA DING, PHD · Contact · 86-057788068859
Recruiting

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

Updates

Tracking since Sep 25, 2026

No changes since tracking began. The registry record was last updated on Mar 7, 2023, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗

Registry details

Key details

Study ID: NCT04443101
Lead sponsor: Wenzhou Medical University
Responsible party: yin ying zhao (Principal Investigator, Wenzhou Medical University) — Principal investigator
First posted: Jun 23, 2020
Start date: Jan 1, 2019
Primary completion: May 30, 2022
Completion: Mar 30, 2023 (estimated)
Last update: Mar 7, 2023

Study contacts

xixia ding, Phd

Contact

dingxixiaxc@163.com

+8613780148109

Oversight

FDA-regulated drug: No
FDA-regulated device: No

View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is status unknown, as verified in Mar 2023. You cannot join it, but the record below documents what was studied.

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Discussion

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