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Individual Letter Contrast Thresholds: Effect of Object Frequency and Noise
PURPOSE: To compare differences in contrast threshold among individual Sloan letters presented in additive white luminance noise and in the absence of noise. METHODS: Contrast threshold for letter identification was measured for 3 visually normal subjects (ages 22, 25, 34 years) using letters from t...
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| Vydáno v: | Optom Vis Sci |
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| Hlavní autoři: | , , |
| Médium: | Artigo |
| Jazyk: | Inglês |
| Vydáno: |
2015
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| Témata: | |
| On-line přístup: | https://ncbi.nlm.nih.gov/pmc/articles/PMC4653073/ https://ncbi.nlm.nih.gov/pubmed/26540471 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1097/OPX.0000000000000728 |
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