The effect of pinholes of different sizes on visual acuity under different refracting states and ambient lighting conditions*

Purpose: The purpose of this pilot study was to investigate the effect of different size pinholes on visual acuity (VA) at near (0.4 m) while various factors were altered. The alterations made involved accommodation and illumination. Method: Four subjects were selected and their ages ranged from 7...

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Bibliographic Details
Main Authors: N. Abdul, N. Meyer, M. van Bosch, A. van Zyl, M. Viljoen, A. S. Carlson
Format: Article
Language:English
Published: AOSIS 2009-12-01
Series:African Vision and Eye Health
Subjects:
Online Access:https://avehjournal.org/index.php/aveh/article/view/150