Repeatability and Reproducibility of Lens Zonule Length Measurement Using ArcScan Insight 100

Wenzhou Medical University

Status: Active, not recruiting

Conditions: Zonule of Zinn Abnormality; Zonular Cataract

Treatments: Device: ArcScan Insight 100 very high-frequency digital ultrasound

Study type: Observational

Funder types: Other

Identifiers

NCT05657951

Insight100-zonule1

Details and patient eligibility

About

The purpose of this study is to evaluate the intra-examiner repeatability and inter-examiner reproducibility in lens zonule length measurements using very high-frequency (VHF) digital ultrasound (ArcScan Insight 100).

Enrollment: 45 estimated patients

Sex: All

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

• Subjects with no ocular disease except ametropia
• Subjects will be able to understand and willing to sign an informed consent

Exclusion criteria

• Previous ocular surgery
• Subjects not being able to tolerate or not willing to use pilocarpine eye drops
• Subjects has active ocular infection or inflammation
• Subjects not being able to look steadily
• Subjects not being able to open eyes wide in sterile saline even after topical anesthesia

Trial design

45 participants in 1 patient group

Normal eyes

Treatment:

Device: ArcScan Insight 100 very high-frequency digital ultrasound