Examining the link between preoperative measurements and visual outcomes in cataract patients

Study of the Correlation Between Preoperative Precise Biometrics, Spatial Assessment and Postoperative Visual Quality in Cataract Patients

Observational Second Affiliated Hospital, School of Medicine, Zhejiang University · NCT04833491

This study looks at how certain measurements taken before cataract surgery can help us understand how well patients see afterward.

Quick facts

Study typeObservational
Enrollment1000 (estimated)
Ages2 Years to 90 Years
SexAll
SponsorSecond Affiliated Hospital, School of Medicine, Zhejiang University Academic / other
Locations1 site (Hangzhou)
Trial IDNCT04833491 on ClinicalTrials.gov

What this trial studies

This observational study aims to analyze the relationship between precise preoperative biometrics and spatial assessments with the quality of vision experienced by patients after cataract surgery. By following patients prospectively, the study seeks to gather insights on the effectiveness of current cataract treatment methods and improve clinical practices. The focus is on enhancing the diagnosis and management of cataracts through detailed postoperative evaluations.

Who should consider this trial

Good fit: Ideal candidates include patients with monocular or binocular cataracts who require surgical intervention.

Not a fit: Patients with systemic diseases affecting vision, uncontrolled diabetes, or severe ocular conditions may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to improved surgical outcomes and visual quality for cataract patients.

How similar studies have performed: While similar studies have explored aspects of cataract surgery outcomes, this specific correlation between preoperative biometrics and postoperative visual quality is a novel approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients with monocular or binocular cataract, lens opacity or abnormal position, need surgery

Exclusion Criteria:

* The history of systemic diseases and medication affecting vision, diabetic patients with systemic conditions complicated with retinopathy, uncontrolled blood glucose, severe eye diseases, eye trauma, eye surgery, severe dry eye and ocular surface diseases, strabismus and amblyopia were identified

Where this trial is running

Hangzhou

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Recruitment of Participantsrefractive cataract surgeryintraocular lens
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.