What does a person with 20/30 vision mean? Tested individual can see things 2/3 way of what a normal person can see. O what a normal person can see at 20 feet away, this tested individual need to stand at 30 feet to see it. What a normal person can see at 30 feet away, this tested individual need to stand at 20 feet to see it. Tested individual can see about 30% of what a normal person can see. QUESTION 8 Astigmatism is a result of imperfection on what part of the eye? vitreous humor misplaced photoreceptors cornea or lens retina

A hypercomplex visual cortical cell detects motion. detects angles and line ends. detects straight lines and edges. none of the above answers is correct

Can you help me the name of the all of the number of the label eye system model?

Negative images are not explained by the ___________ of color vision.     Opponent Process Theory   Retinx Theory    Color Blindness   Trichromatic Theory

Imagine someone is ooking at the letter e in newsprint through their microscope. All they can see is part of the e but they want to see the whole thing.  What should they do? Group of answer choices 1. open the iris 2. use a higher objective 3. close your iris 4. use a lower objective

The structure of the eye than can change shape to focus light rays on the fovea centralis is the cornea iris vitreous body lens ora serrata.

Why weren't you able to successfully identify all the flavors of candy when your nose was plugged? The sensory neurons from our taste buds are routed through our olfactory epithelium before being interpreted in the brain. O Taste and smell are interpreted in the same area of the brain, so if 1 sense is not working properly, then the other sense won't work either. The flavor of food that we interpret in our brain is composed of sensory information from both our taste buds and our olfactory cells.

You discover that the convergence ratio for the photoreceptors in the Zerons is opposite to that of humans, i.e the convergence ratio for rods is lower and the convergence ratio of cones is higher. The site and distribution of the photoreceptors is the same as in humans. Question: What might be true for Zerons vision? The images formed in the dark are sharper than those formed in light The central parts of their visual field aren't as sharp as the peripheral parts of their visual fields. They are better at forming color contrasts in images They have poor differentiation between black and white

The fovea centralis has many rod shaped receptors for detecting color O True False Previous Page Next Page Page 1 of 10

Why does the blind spot from the optic disc in either eye not result in a blind spot in the visual field? Your answer: