NCT03779542

Brief Summary

To assess the changes of anterior chamber angle in patients with shallow anterior chamber and normal anterior chamber after phacoemulsification and intraocular lens implantation (IOL) using anterior segment swept-source optical coherence tomography (AS-SS-OCT).To observe the 60 eyes of 60 patients in our study.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
60

participants targeted

Target at P25-P50 for all trials

Timeline
Completed

Started Jan 2018

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

January 1, 2018

Completed
6 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

June 30, 2018

Completed
6 months until next milestone

First Submitted

Initial submission to the registry

December 17, 2018

Completed
2 days until next milestone

First Posted

Study publicly available on registry

December 19, 2018

Completed
5 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2019

Completed
Last Updated

December 19, 2018

Status Verified

December 1, 2018

Enrollment Period

6 months

First QC Date

December 17, 2018

Last Update Submit

December 17, 2018

Conditions

Keywords

anterior chamber parametersphacoemulsificationanterior segment swept-source optical coherence tomography

Outcome Measures

Primary Outcomes (1)

  • anterior chamber depth

    1 year

Study Arms (2)

open-angle group

ACD \> 2.68 measured by the swept source AS-OCT and angle \> Shaffer 2 in four quadrants under gonioscope

Procedure: cataract surgery

narrow-angle group

ACD≤2.68 measured by the swept source AS-OCT and angle≤Shaffer 2 in four quadrants under gonioscope

Procedure: cataract surgery

Interventions

phacoemulsification and intraocular lens implantation

narrow-angle groupopen-angle group

Eligibility Criteria

Age40 Years - 85 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

patients who underwent cataract surgery

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Eye Hospital of Wenzhou Medical College

Wenzhou, Zhejiang, 325027, China

RECRUITING

MeSH Terms

Interventions

Cataract Extraction

Intervention Hierarchy (Ancestors)

Refractive Surgical ProceduresOphthalmologic Surgical ProceduresSurgical Procedures, Operative

Central Study Contacts

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
SPONSOR INVESTIGATOR
PI Title
Director

Study Record Dates

First Submitted

December 17, 2018

First Posted

December 19, 2018

Study Start

January 1, 2018

Primary Completion

June 30, 2018

Study Completion

June 1, 2019

Last Updated

December 19, 2018

Record last verified: 2018-12

Locations