Status:
UNKNOWN
Analyzing the Changes in Eye Axis Length and Corneal Curvature in Central China
Lead Sponsor:
Min Ke
Conditions:
Birth Year-dependent Eye Parameters Change
Eligibility:
All Genders
7-130 years
Brief Summary
The Chinese lifestyle has undergone dramatic changes over the past century. In recent years, limited studies reported the changing trend in crucial eye parameters of people born in different decades. ...
Detailed Description
The Chinese lifestyle has undergone dramatic changes over the past century. In recent years, limited studies reported the changing trend in crucial eye parameters of people born in different decades. ...
Eligibility Criteria
Inclusion
- \- Eligible patients were those aged ≥7 years and who underwent intraocular lens (IOL) Master (version 5.5) biometry for routine examination of cataract or refractive examination (ametropia and presbyopia) between April 2012 and November October 2023. Only patients who would cooperate with examinations to ensure stable and repeatable data (AL was measured 5 times or more, CC was measured 3 times or more, and the coefficient of variation of the measured results were≤15%a coefficient of variation ≤15% was considered low variation) were selected.
Exclusion
- \- Severe systemic disease, corneal diseases, severe dry eyes, serious fundus disease, noticeable lesions of the refractive stroma, inability to cooperate, or poor measurement quality (coefficient of variation\> 15%) were the exclusion criteria.
Key Trial Info
Start Date :
November 5 2023
Trial Type :
OBSERVATIONAL
Allocation :
ESTIMATED
End Date :
November 20 2023
Estimated Enrollment :
60000 Patients enrolled
Trial Details
Trial ID
NCT06126302
Start Date
November 5 2023
End Date
November 20 2023
Last Update
November 13 2023
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