Unit 3 - ARC in Visual Function

Question 1

What are ARC to the visual field?

Answer 1

• area around the visual field in reduced

Question 2

What is diminished depth perception? (2)

Answer 2

• responsible for three dimensional perspective
• increased difficulty in locating objects (risk for falls)

Question 3

What are ARC to colour vision?

Answer 3

• things can seem more yellow

Question 4

What are ARC to critical flicker fusion? (2)

Answer 4

• diminished
• causes flashing light to appear to be continuous

Question 5

What are ARC to processing visual info? (2)

Answer 5

• need more time
• accommodate in teaching strategies

Question 6

As you age. you experience ____ (increased, decreased) contrast sensitivity

Answer 6

decreased

Question 7

Are you more sensitive to glare as you age?

Answer 7

yes

Question 8

What is presbyopia? (2)

Answer 8

• loss of accommodation
• difficulty accommodating for close objects

Question 9

What is diminished acuity?

Answer 9

• three fold decrease in the amount of light reaching the retina between 20 and 60

Question 10

What occurs in delayed dark and light adaptation?

Answer 10

• more time to adapt to lighting when moving from bright area to darker area

Question 11

What occurs in increased glare sensitivity? (4)

Answer 11

• changes in the pupil and vitreous
• diminished contrast of the view object
• difficulty discerning details
• ability to read, night drive