This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Visual acuity of 20/200 means that a person sees at a. 200 feet what a normally sighted person ... (Read 35 times)

humphriesbr@me.com

  • Hero Member
  • *****
  • Posts: 550
on: Jul 31, 2018
Visual acuity of 20/200 means that a person sees at
 
  a. 200 feet what a normally sighted person sees at 20 feet.
  b. 100 feet what a normally sighted person sees at 10 feet.
  c. 20 feet what a normally sighted person sees at 200 feet.
  d. 10 feet what a normally sighted person sees at 100 feet.

Question 2

The definition of legal blindness is
 
  a. a field of vision of less than 20 degrees.
  b. vision of 20/200 or worse in the better eye with correction.
  c. vision of 20/200 or worse in the better eye with correction or a field of vision of less than 20 degrees.
  d. vision of 20/200 or worse in the better eye without correction or a field of vision of greater than 20 degrees.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Dinolord

  • Sr. Member
  • ****
  • Posts: 313
Reply #1 on: Jul 31, 2018
Answer to Question 1

c

Answer to Question 2

c


humphriesbr@me.com

  • Hero Member
  • *****
  • Posts: 550
Reply #2 on: Jul 31, 2018
Thank you!


Dinolord

  • Sr. Member
  • ****
  • Posts: 313
Reply #3 on: Jul 31, 2018
Always glad to help...


« previous next »
 

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

A visual pigment. A visual pigment.
Cheetah front and hind feet, as illustrated in Pocock's The Fauna of British India, including C Cheetah front and hind feet, as illustrated in Pocock's The Fauna of British India, including C
Responses to Categories of Visual Stimuli Responses to Categories of Visual Stimuli
Edward Bellamy, author of the utopian novel Looking Backward (1888) Bellamy’s socialism worried many Edward Bellamy, author of the utopian novel Looking Backward (1888) Bellamy’s socialism worried many
Use palms and fingers to brush off along the back of the body from shoulders to feet with long ... Use palms and fingers to brush off along the back of the body from shoulders to feet with long ...
Warm-up (5 minutes). Warm up the soft tissues of the feet with a variety of kneading, sliding, and ... Warm-up (5 minutes). Warm up the soft tissues of the feet with a variety of kneading, sliding, and ...
Video: Replication of DNA and Chromosomes/ How do cells replicate their DNA? (Animation) no Audio

For a complete list of videos, visit our video library