A-mode vs PalmScan Ultrasonography: Biometric Measurements.

Asociación para Evitar la Ceguera en México

Overview

Ultrasonography has become a critical ancillary test in the clinical practice of ophthalmology. It is commonly used as a standardized method for assessing intraocular biometry. The PalmScan ultrasonography (PsU) is a portable A-scan device that uses the same principles as the standard A-scan. The aim of the study is to compare the reliability of their measurements, in order to use them indistinctively.

Study Type

OBSERVATIONAL

Conditions

Axial Length (AL)Anterior Chamber Deep (ACD)Lens Thickness (LT)

Interventions

PalmScan A2000 ultrasonography system (Micro Medical Devices, Calabasas, CA)DEVICE

PalmScan biometric measurements

Standard A-mode ultrasound (Eye Cubed™, Ellex, Adelaide, Australia).DEVICE

A-mode biometric measurements group

Eligibility

Sex: ALLMin age: 50 YearsMax age: 90 YearsHealthy volunteers:

Medical Language ↔ Plain English

Inclusion Criteria: * Patients with indication for a standard A-mode ultrasound Exclusion Criteria: * No superficial anormalities. * Patients with external injuries. * Intraocular silicon oil. * Retinal detachment * Significant ocular pathologies.

Locations (1)

Asociación para Evitar la Ceguera en México

Mexico City, Mexico City, Mexico

Outcomes

Primary Outcomes

axial length (AL).

Time frame: during examination

Anterior Chamber Deep (ACD)

Time frame: during examination

Lens Thickness (LT)

Time frame: during examination

Data from ClinicalTrials.gov

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