deltatrials
Unknown NCT02238015

Tear Film Evaluation After Phacoemulsification

To Investigate Tear Film Change After Phacoemulsification With SS-OCT

Sponsor: Zheng Qian

Conditions Cortical Senile Cataract
Interventions cataract surgery
Updated 7 times since 2017 Last updated: Sep 11, 2014 Started: Oct 31, 2013 Primary completion: May 31, 2014 Completion: Mar 31, 2015

This observational or N/A phase trial investigates Cortical Senile Cataract and is currently ongoing. Zheng Qian leads this study, which shows 7 recorded versions since 2013 — indicating limited longitudinal coverage. The change history captured here reflects the iterative nature of clinical trial conduct.

Change History

7 versions recorded

  1. Sep 2025 — Present [monthly]

    Unknown

  2. Sep 2024 — Sep 2025 [monthly]

    Unknown

  3. Jul 2024 — Sep 2024 [monthly]

    Unknown

    Status: Unknown Status → Unknown

  4. Jan 2021 — Jul 2024 [monthly]

    Unknown Status

  5. Jun 2018 — Jan 2021 [monthly]

    Unknown Status

▶ Show 2 earlier versions

  1. Apr 2018 — Jun 2018 [monthly]

    Unknown Status

    Phase: PHASE4 → None

  2. Jan 2017 — Apr 2018 [monthly]

    Unknown Status PHASE4

    First recorded

Oct 2013

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Zheng Qian
Data source: Wenzhou Medical University

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

  • • Wenzhou, China