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RETINOSCOPIA POR ESFERAS

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william hernandez

on 8 June 2015

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Transcript of RETINOSCOPIA POR ESFERAS

RETINOSCOPIA POR ESFERAS
NEUTRALIZACION
1. Consiste en neutralizar las sombras con ayuda de lentes, que seran positivos en el caso de sombras directas o negativos para sombras indirectas.

Una vez identificados los dos meridianos principales se neutraliza uno de ellos con lentes esféricas. Se gira la franja 90º y se neutraliza el otro meridiano también con lentes esféricas
ANOTACIÒN:
Se anotan las dos esferas y la orientación de cada meridiano.
la esfera es el poder mas positivo y el cilindro es el recorrido con signo negativo y el eje esta orientado en la esfera mas negativa.
PRESENTADO POR:
VIVIANA LOPEZ
LUCIA LAGOS
KAREN MOLINA
WILLIAM HERNANDEZ
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