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The Effect of Test Distance on Visual Contrast Sensitivity Measured Using the Pelli-Robson Chart
PURPOSE: The Pelli-Robson (PR) chart is widely used to measure clinical contrast sensitivity (CS). It is generally believed that PR testing distance is not critical. Here, we examine whether a closer test distance than the usual 1 meter might be better for patients with low vision. METHODS: PR CS wa...
| Autores principales: | , , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
| Publicado: |
The Association for Research in Vision and Ophthalmology
2021
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| Materias: | |
| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7900877/ https://www.ncbi.nlm.nih.gov/pubmed/34003917 http://dx.doi.org/10.1167/tvst.10.2.32 |