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Tolerance and Nature of Residual Refraction in Symmetric Power Space as Principal Lens Powers and Meridians Change
Unacceptable principal powers in well-centred lenses may require a toric over-refraction which differs in nature from the one where correct powers have misplaced meridians. This paper calculates residual (over) refractions and their natures. The magnitude of the power of the over-refraction serves a...
| Autores principales: | , |
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| Formato: | Online Artículo Texto |
| Lenguaje: | English |
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Hindawi Publishing Corporation
2014
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4244934/ https://www.ncbi.nlm.nih.gov/pubmed/25478004 http://dx.doi.org/10.1155/2014/492383 |