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Completed: / exercises

QUIZ: The Physiology of Human Vision

Due date: 2023-11-28 23:59.
Topics:
Assumptions:
In all of the questions in this quiz, unless otherwise stated, assume a person with no vision defects and a simplified model of an HMD as discussed in class.

Comments or Concerns

Leave any comments about the questions below here. For example, if any of the questions seem unfair, or confusing. This is not a graded question, you don't have to write answers here.

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Question 1

Which part of the human eye provides the greatest optical power (largest diopter)?
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Question 2

Which one of the following is NOT a part of the human eye?
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Question 3

The incoming light hits _________ cells before photoreceptors?
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Question 4

Which part of the retina has the largest concentration (density) of cones?
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Question 5

Which part of the retina has the largest concentration (density) of rods?
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Question 6

Each cone rapidly alternates between responding to red, green, and blue light, in a process known as ______________.
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Question 7

Which process changes the diopter of the human eye?
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Question 8

You are wearing an HMD and in VR you are looking across the virtual room. You spot the remote control for the television. As you walk your avatar across the room, you keep your eyes focused on the remote. How will the shape of your eye lens change as you move closer to the remote?
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Question 9

Which of the following is NOT a normal aspect of human vision and might be a major contributor to eye strain and fatigue in VR?
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Question 10

Which of the following statements is true about vergence-accommodation mismatch in VR?
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Question 11

Assume a user has 20/20 vision. How close should a virtual object be to their eye in VR, so that they can no longer accommodate/focus on it?
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Question 12

At low light levels, vision depends predominantly on ____________.
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Question 13

______ light is less likely than other colors to affect our adaptation from photopic to scotopic vision modes.
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Question 14

Which one is correct?
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Question 15

Which eye movement serves to counteract head rotation?
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Question 16

Which one of the following statements about eye movements is true?
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Question 17

If you are viewing a screen at a distance of 50 inches and you would like to have 60 pixels per degree to ensure individual pixels are not visible, how many pixels per inch does your display need to have? For this problem, use approximation tan(1) = 0.02.
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Question 18

Which of the following modern VR displays has "retina display" resolution as defined in class?
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Question 19

Which one is an appropriate unit to describe "retina display" resolution with respect to human visual acuity, independent of the distance to the display?
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Question 20

Which statement is true regarding display resolution and viewing distance for achieving retina display quality?
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Authors

Anna LaValle.
?
Lectures and labs schedule for the VR Systems and Humans course, Fall 2023
Lecture slides, VR Systems and Humans course, University of Oulu, 2023
Informative Guides to Help You Design, Develop, and Distribute Your VR App.
The platform for interactive, real-time, 3D content creation.
Virtual Reality, LaValle 2016 is the free online textbook we use in this course.
YouTube Channel: VR Systems and Humans, Fall 2022
University of Oulu