Pediatric Vision Screener 1: instrument design and operation.
J Biomed Opt
; 9(6): 1363-8, 2004.
Article
en En
| MEDLINE
| ID: mdl-15568959
We develop the Pediatric Vision Screener (PVS) to automatically detect ocular misalignment (strabismus) and defocus in human subjects. The PVS utilizes binocular retinal birefringence scanning to determine when both eyes are aligned, with a theoretical accuracy of <1 deg. The device employs an autoconjugate, bull's-eye detector-based system to detect focus. The focus and alignment pathways are separated by both wavelength and data acquisition timing. Binocular focus and alignment are detected in rapid alternating sequence, measuring both parameters in both eyes in <0.5 sec. In this work, the theory and design of the PVS are described in detail. With objective, automated measurement of both alignment and focus, the PVS represents a new approach to screening children for treatable eye disease such as amblyopia.
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Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Pediatría
/
Pruebas de Visión
/
Ambliopía
/
Estrabismo
/
Diagnóstico por Computador
/
Óptica y Fotónica
Tipo de estudio:
Diagnostic_studies
/
Etiology_studies
/
Evaluation_studies
Límite:
Adult
/
Female
/
Humans
Idioma:
En
Revista:
J Biomed Opt
Asunto de la revista:
ENGENHARIA BIOMEDICA
/
OFTALMOLOGIA
Año:
2004
Tipo del documento:
Article
País de afiliación:
Estados Unidos
Pais de publicación:
Estados Unidos