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Page 1
Color discrimination in anomalous trichromacy: Experiment and theory.
Boehm AE, Bosten J, MacLeod DIA. Boehm AE, et al. Vision Res. 2021 Nov;188:85-95. doi: 10.1016/j.visres.2021.05.011. Epub 2021 Jul 20. Vision Res. 2021. PMID: 34293614 Free article.
We examined cases where chromatic pedestals impair the color discrimination of normal trichromatic observers. As predicted, anomalous observers experienced less impairment than normal trichromats, though they remained less sensitive than normal trichromats. A …
We examined cases where chromatic pedestals impair the color discrimination of normal trichromatic observers. As predicted, an …
Compensation for red-green contrast loss in anomalous trichromats.
Boehm AE, MacLeod DI, Bosten JM. Boehm AE, et al. J Vis. 2014 Nov 20;14(13):19. doi: 10.1167/14.13.19. J Vis. 2014. PMID: 25413625 Free PMC article.
Thus, the contraction along the L/(L + M) axis shown in the perceptual color spaces of anomalous trichromats is far smaller than predicted by their reduced sensitivity, suggesting that an adaptive adjustment of postreceptoral gain may magnify the cone signals of anomalous …
Thus, the contraction along the L/(L + M) axis shown in the perceptual color spaces of anomalous trichromats is far smaller than predicte …
Color vision deficiency among a group of students of health sciences.
Pramanik T, Khatiwada B, Pandit R. Pramanik T, et al. Nepal Med Coll J. 2012 Dec;14(4):334-6. Nepal Med Coll J. 2012. PMID: 24579547
Among them, one could not appreciate color (total color blindness according to the chart used), protanomaly was detected in 1, deuteranomaly in 3 and deuteranopia in 7 volunteers. ...Screening enables the students and later the health professionals to become aware of limit …
Among them, one could not appreciate color (total color blindness according to the chart used), protanomaly was detected in 1, deuter …
Variability of Rayleigh and Moreland test results using anomaloscope in young adults without color vision disorders.
Zabel J, Przekoracka-Krawczyk A, Olszewski J, Michalak KP. Zabel J, et al. PLoS One. 2021 May 21;16(5):e0251903. doi: 10.1371/journal.pone.0251903. eCollection 2021. PLoS One. 2021. PMID: 34019572 Free PMC article.
The double-peak distribution of R2 with a small second peak (approximately at R2 = 52) was mainly due to the measurements in male subjects (nmale = 8, nfemale = 2), which suggests that this group might be diagnosed with subtle protanomaly. The results of the Moreland test …
The double-peak distribution of R2 with a small second peak (approximately at R2 = 52) was mainly due to the measurements in male subjects ( …
Protanomaly without darkened red is deuteranopia with rods.
Shevell SK, Sun Y, Neitz M. Shevell SK, et al. Vision Res. 2008 Nov;48(26):2599-603. doi: 10.1016/j.visres.2008.03.001. Epub 2008 Apr 18. Vision Res. 2008. PMID: 18423511 Free PMC article.
An example of an unexpected Rayleigh match, therefore, is a match range above normal (typical of protanomaly) and a normal luminance setting for 589 nm (typical of deuteranomaly), a match called protanomaly "when the red end of the spectrum is not darkened" [Pickfor …
An example of an unexpected Rayleigh match, therefore, is a match range above normal (typical of protanomaly) and a normal luminance …
Molecular basis of abnormal red-green color vision: a family with three types of color vision defects.
Drummond-Borg M, Deeb S, Motulsky AG. Drummond-Borg M, et al. Am J Hum Genet. 1988 Nov;43(5):675-83. Am J Hum Genet. 1988. PMID: 2847528 Free PMC article.
The molecular nature of three different types of X-linked color-vision defects, protanomaly, deuteranomaly, and protanopia, in a large 3-generation family was determined. ...Currently used molecular methodology is not sufficiently sensitive to define these fusion points ac …
The molecular nature of three different types of X-linked color-vision defects, protanomaly, deuteranomaly, and protanopia, in a larg …
Molecular patterns of X chromosome-linked color vision genes among 134 men of European ancestry.
Drummond-Borg M, Deeb SS, Motulsky AG. Drummond-Borg M, et al. Proc Natl Acad Sci U S A. 1989 Feb;86(3):983-7. doi: 10.1073/pnas.86.3.983. Proc Natl Acad Sci U S A. 1989. PMID: 2915991 Free PMC article.
Characteristic anomalous patterns were seen in 15 (11.2%) individuals: 7 (5.2%) had patterns characteristic of deuteranomaly (mild defect in green color perception), 2 (1.5%) had patterns characteristic of deuteranopia (severe defect in green color perception), and 6 (4.5%) had p …
Characteristic anomalous patterns were seen in 15 (11.2%) individuals: 7 (5.2%) had patterns characteristic of deuteranomaly (mild defect in …
Quantitative anomaloscopy and optical coherence tomography scanning in central serous chorioretinopathy.
Bek T, Kandi M. Bek T, et al. Acta Ophthalmol Scand. 2000 Dec;78(6):632-7. doi: 10.1034/j.1600-0420.2000.078006632.x. Acta Ophthalmol Scand. 2000. PMID: 11167221 Free article.
Subsequently 24 patients with CSC were examined by anomaloscopy and optical coherence tomography scanning, and the measures of colour vision were related to the anatomical changes observed on the scans. RESULTS: The algorithm for calculating SR and CMP which is integrated …
Subsequently 24 patients with CSC were examined by anomaloscopy and optical coherence tomography scanning, and the measures of colour vision …
Red, green, and red-green hybrid pigments in the human retina: correlations between deduced protein sequences and psychophysically measured spectral sensitivities.
Sharpe LT, Stockman A, Jägle H, Knau H, Klausen G, Reitner A, Nathans J. Sharpe LT, et al. J Neurosci. 1998 Dec 1;18(23):10053-69. doi: 10.1523/JNEUROSCI.18-23-10053.1998. J Neurosci. 1998. PMID: 9822760 Free PMC article.
It thus allows for a straightforward correlation between each observer's spectral sensitivity measured at the cornea and the amino acid sequence of his visual pigment. ...The principal results of this study are that (1) approximately 54% of the single-gene protanopes (and …
It thus allows for a straightforward correlation between each observer's spectral sensitivity measured at the cornea and the amino ac …
14 results