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Author Question: The student learning about vision should remember which facts related to the eyes? (Select all that ... (Read 227 times)

soccerdreamer_17

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on: Jun 25, 2018
The student learning about vision should remember which facts related to the eyes? (Select all that apply.)
 
  a. Aqueous humor controls intraocular pressure.
  b. Cones work in low light conditions.
  c. Glaucoma occurs due to increased pressure in the eye.
  d. Muscles of the iris control light entering the eye.
  e. Rods work in low light conditions.

Question 2

The nurse enters an examination room to help with an eye examination. The client is directed toward the assessment chart shown below:
 
  What is the provider assessing?
  a.
  Color vision
  b.
  Depth perception
  c.
  Spatial perception
  d.
  Visual acuity


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xthemafja

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Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: A, C, D, E
The inflow and outflow of aqueous humor controls the intraocular pressure. Glaucoma results when the pressure is chronically high. Muscles of the iris relax and constrict to control the amount of light entering the eye. Rods work in low light conditions. Cones work in bright light conditions.

Answer to Question 2

ANS: A
This is an Ishihara chart, which is used for assessing color vision. Depth and spatial perception are not typically assessed in a routine vision assessment. Visual acuity is usually tested with a Snellen chart.


soccerdreamer_17

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Reply 2 on: Jun 25, 2018
Thanks for the timely response, appreciate it

Kedrick2014

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Reply 3 on: Yesterday
Excellent

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