4.4 Spacing of the cones in the fovea Given your answer to the last two questions, what would be the ideal size of the cones covering the fovea? How does that compare with the actual diameter of these cones (shown in Fig. 5.2)? 10 um Figure 4.2: Foveal cone mosaic. Adapted from Curcio et al., Journal of Comparative Neuroloay 2202: 497.523 (1990i

Human Anatomy & Physiology (11th Edition)
11th Edition
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Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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4.4

4.4 Spacing of the cones in the fovea
Given your answer to the last two questions, what would be the ideal size of the cones
covering the fovea? How does that compare with the actual diameter of these cones
(shown in Fig. 5.2)?
10 um
Figure 4.2: Foveal cone mosaic.
Adapted from Curcio et al., Journal of Comparative
Neuralogy, 292: 497-523 (1990).
Transcribed Image Text:4.4 Spacing of the cones in the fovea Given your answer to the last two questions, what would be the ideal size of the cones covering the fovea? How does that compare with the actual diameter of these cones (shown in Fig. 5.2)? 10 um Figure 4.2: Foveal cone mosaic. Adapted from Curcio et al., Journal of Comparative Neuralogy, 292: 497-523 (1990).
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Vision
Retina
Lens Pupil
Retina
Lens
n = 1.3
n = 1
Object
W = 6 mm
D'= 20 mm
D= 250 mm
Figure 4.1: Left: Schematic of the human eye. Right: Single lens model of the human
eye (not to scale). The dimensions reported on the figure correspond to an object
placed at the near point, and a typical pupil diameter.
Transcribed Image Text:Close Vision Retina Lens Pupil Retina Lens n = 1.3 n = 1 Object W = 6 mm D'= 20 mm D= 250 mm Figure 4.1: Left: Schematic of the human eye. Right: Single lens model of the human eye (not to scale). The dimensions reported on the figure correspond to an object placed at the near point, and a typical pupil diameter.
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