Morphological-Gene-Clinical Phenotype Correlation Study of the Long Anterior Zonule
Summary
ClinicalTrials.gov registration NCT07549711 records an observational study introducing a 3D visualization system for enhanced detection of Long Anterior Zonules (LAZ), an anatomical anomaly of the anterior eye segment. The study integrates multiple imaging modalities to assess LAZ morphological characteristics and explores genetic mechanisms and genotype-phenotype correlations. LAZ is associated with glaucoma, late-onset retinal degeneration, and increased risks during cataract surgery.
“Long anterior zonules (LAZ) is an anatomical anomaly of the anterior segment in which zonular fibers extend abnormally forward onto the anterior lens capsule.”
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What changed
ClinicalTrials.gov registered a new observational study (NCT07549711) introducing a 3D visualization system designed to enhance detection rates of Long Anterior Zonules (LAZ), an anatomical anomaly where zonular fibers extend abnormally onto the anterior lens capsule. The study will integrate multiple imaging modalities to systematically assess LAZ morphological characteristics and investigate genetic mechanisms and genotype-phenotype correlations.
For ophthalmologists, glaucoma specialists, and cataract surgeons, this registry entry signals emerging diagnostic technology for LAZ identification. The study aims to establish evidence-based diagnostic consensus and optimize preoperative assessments. Researchers studying genotype-phenotype correlations in zonular abnormalities may find this relevant to early identification of high-risk populations and genetic counseling programs.
Archived snapshot
Apr 24, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Morphological-Gene-Clinical Phenotype Correlation Study of the Long Anterior Zonule
Observational NCT07549711 Kind: OBSERVATIONAL Apr 24, 2026
Abstract
Long anterior zonules (LAZ) is an anatomical anomaly of the anterior segment in which zonular fibers extend abnormally forward onto the anterior lens capsule. It is potentially associated with glaucoma, late-onset retinal degeneration, and increased risks during cataract surgery. This study introduces a 3D visualization system to enhance the detection rate of LAZ. By integrating multiple imaging modalities, it systematically assesses the morphological characteristics of LAZ, aiming to provide an evidence-based foundation for subsequent efforts to establish diagnostic consensus, optimize preoperative assessments for glaucoma and cataract surgery. By elucidating the genetic mechanisms and genotype-phenotype correlations of LAZ, this research can provide theoretical support for the early identification of high-risk populations, genetic consultation, and personalized treatment.
Conditions: Long Anterior Zonules
Interventions: Control, Long anterior zonules, LAZ Pedigree
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