Study of the Correlation Between Preoperative Precise Biometrics, Spatial Assessment and Postoperative Visual Quality in Cataract Patients
For patients and families
In plain language
An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.
- What is being studied
- This is an observational study: the protocol does not assign a study treatment.
- Who it may be relevant to
- Registry conditions: Recruitment of Participants. Basic parameters: 2 years — 90 years · All.
- What needs checking
- Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
- Where it takes place
- China
- Next step
- Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →
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Overview
This study summarizes the experience of precision treatment and postoperative management of various types of cataract, and intend to further improve the quality of Clinical Cataract diagnosis and treatment.
Detailed description
Based on the existing cataract surgery methods, through prospective follow-up study, this study summarizes the experience of precision treatment and postoperative management of various types of cataract, and intends to further improve the quality of Clinical Cataract diagnosis and treatment.
Primary outcome measures
- Best Corrected Visual Acuity [Time frame: 1 week postoperatively]
- Best Corrected Visual Acuity [Time frame: 1 month postoperatively]
- Best Corrected Visual Acuity [Time frame: 3 months postoperatively]
- Uncorrected distance visual acuity [Time frame: 1 week postoperatively]
- Uncorrected distance visual acuity [Time frame: 1 month postoperatively]
- Uncorrected distance visual acuity [Time frame: 3 months postoperatively]
- Intraocular pressure [Time frame: 1 week postoperatively]
- Intraocular pressure [Time frame: 1 month postoperatively]
- Intraocular pressure [Time frame: 3 months postoperatively]
- Tear Breakup Time [Time frame: 1 week postoperatively]
Eligibility 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
Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.
Healthy volunteers: Yes
Study design
- Observational model
- Cohort
Study locations
China · 1 center
- Second Affiliated Hospital, Zhejiang University School of Medicine — Hangzhou
Publications
- Fang J, Shi C, Ma X, Sheng S, Xu J, Zhu S, Feng Y, Zhang Y, Liu L, Zhao H, Xu Z, Xu W. Anterior segment characteristics and spatial variations of different crystalline lens diseases. Photodiagnosis Photodyn Ther. 2025 Aug;54:104693. doi: 10.1016/j.pdpdt.2025.104693. Epub 2025 Jun 26. PMID 40581199
- Xu Z, Wang J, Shi C, Ni S, Xu J, Zhu S, Fang J, Xu W. Clinical outcomes of plate-haptic diffractive multifocal toric IOL in cataract eyes with long axial length and corneal astigmatism. Sci Rep. 2025 Apr 7;15(1):11881. doi: 10.1038/s41598-025-97040-0. PMID 40195538
Identifiers
NCT: NCT04833491 · xuwen2021-0189