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 37 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?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

A comparison between chromosomes found in a normal human cell and a cancer cell from the same person A comparison between chromosomes found in a normal human cell and a cancer cell from the same person
Gaser and Schlaug's study of the size of visual, motor, and auditory nuclei in the brains of mu Gaser and Schlaug's study of the size of visual, motor, and auditory nuclei in the brains of mu
Positron emission tomography (PET) image showing the difference in the metabolic activity of the bra Positron emission tomography (PET) image showing the difference in the metabolic activity of the bra
Blobs and Stripes in Visual Cortex Blobs and Stripes in Visual Cortex
How lenses correct visual problems: (A) emmetropia; (B) myopia; (C) hyperopia; (D) corrected myopia; ... How lenses correct visual problems: (A) emmetropia; (B) myopia; (C) hyperopia; (D) corrected myopia; ...
Restricting visual information to one hemisphere in cats. To restrict visual information to one ... Restricting visual information to one hemisphere in cats. To restrict visual information to one ...
Video: Anatomy and Chemical Makeup of a Single Hair (Animation)

For a complete list of videos, visit our video library