WEEK 8 - Topic 17 - Adaptation

Question 1

The retina is normally set for what type of light?

Answer 1

Dim light

Question 2

What happens during light adaptation

Answer 2

• Both rods and cones are strongly stimulated
• Large amounts of visual pigments break down almost instantaneously, producing a flood of signals that accounts for glare.
• Cones take over and visual acuity is gained and retinal sensitivity is lost.