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The factors that influence the sensitivity of the retina to color a quantitative study and methods of standardizing by Marie Gertrude Rand

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Published by Psychological review company in Princeton, N.J, Lancaster, Pa .
Written in English


  • Color vision

Book details:

Edition Notes

Issued also as thesis (Ph. D.) Bryn Mawr college.

Statementby Gertrude Rand.
SeriesPsychological review publications. The psychological monographs,, v.XV, no. 1. Whole no. 62, Psychological monographs ;, v. 15, no. 1; whole no. 62.
LC ClassificationsBF1 .P8
The Physical Object
Paginationxi, 166 p.
Number of Pages166
ID Numbers
Open LibraryOL6558292M
LC Control Number13013939

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'Reprinted from The Psychological Monographs, Princeton, N.J., March, A dissertation presented to the faculty of Bryn Mawr College.' Once listed, this will be the Only signed copy for sale anywhere on the Internet. It will also be the Only signed copy of any of her books. The signature did not include her name which wasn't unusual back in the day. At the top of the flowery patterned. The Pelli–Robson contrast sensitivity chart (Fig. ) is an 86 × 63 cm chart that consists of 16 triplets of cm (° at 1 m) letters, and it assesses contrast sensitivity (CS) at a spatial frequency of about to 1 cycle/degree. Within each triplet, the letters have the same contrast, and the contrast in each successive triplet. In this book chapter, we focus on AMD prevalence, risk factors, clinics, diagnostics and influence of MMP-2, -3 and -9 on AMD development. Age-related macular degeneration (AMD) is the leading cause of significant and irreversible central visual loss as it affects a small area of the retina, called the : Rasa Liutkeviciene, Vykintas Liutkevicius, Agne Giedraitiene, LoresaKriauciuniene, Virginija Asmonie. The theory of color vision that holds that all color perception derives from three different color receptors in the retina (usually red, green and blue receptors. Opponent-Process Theory Theory of color vision that holds that 3 sets of color receptors (yellow-blue, red-green and black-white) respond to determine the color you experience.

The theory of color vision that holds that color perception derives from three different color receptors in the retina (usually red,green, and blue receptors). Opponent- process theory Theory of color vision that holds that three sets of color receptors (yellow - blue. red-green, black- white) Respond to determine the color you experience. Citation: Kamiya K, Shimizu K, Iijima A, Kobashi H () Factors Influencing Contrast Sensitivity Function in Myopic Eyes. PLoS ONE 9(11): e doi 71/ Most of the answers in this thread and around the web say, "Then stop looking at the screen for so long." But I am here to say there is absolutely something else going on here. It seems that everyone is reacting slightly differently, so I don't kn. So the visual system factors out the illumination and all we typically perceive is the relative reflectance (black vs. white) of the paper. The light/dark adaptation mechanisms in the retina effectively re-normalize or divide by the average intensity in the image to compensate for (or factor out) the level of illumination.

In the book Smart Medicine for Healthier Living, authors Janet Zand, Allan N. Spreen and James B. LaValle write, "The rods are cylindrical-shaped cells on the surface of the retina. They contain a special chemical called visual purple, or rhodopsin, that is responsible for vision in low-light conditions. Eye color is a product of genetics. Specifically, your eye color is based on 12 to 13 different genetic markers. Those genes have much more of a purpose than simply dictating your eye color. They influence many other things in your body as well, some of which are just now being uncovered. particular as these characteristics relate to human eye sensitivity and photometric quantities. Light receptors of the human eye Figure (a) shows a schematic illustration of the human eye (Encyclopedia Britannica, ). The inside of the eyeball is clad by the retina, which is the light-sensitive part of the eye. TheFile Size: 1MB. The contrast sensitivity can also be influenced by the presence of noise in a displayed image. Although the most common type of noise is white noise, also nonwhite noise can also sometimes influence the contrast sensitivity. In Chapter 6 a generalization will be made of the expressions for white noise given in .