Night Vision Study

Question 0

What are some limitations of night vision??

Answer 0

1. Depth perception
2. Visual acuity
3. Blind spots

Question 1

What are the 4 common Visual Deficiencies??

Answer 1

1. Presbyopia
2. Hyperopia
3. Astigmatism
4. Myopia

Question 2

What are the 3 types of visions??

Answer 2

1. Photopic vision.
2. Mesopic vision.
3. Scotopic vision.

Question 3

Unacceptable faults of the F4949 NVG’s??

Answer 3

1. Edge glow.
2. Shading.
3. Flashing, Flickering or Intermittent Operation.