Question

What is the reason for temporary blindness when moving from a darkened room into sunlight?

a.

Rods are suppressed by the cones.

b.

Cones are saturated by sudden light.

c.

The cornea and lens become less effective.

d.

The fovea is overloaded with images.

Posted under Human Computer Interaction

Answer: (b).Cones are saturated by sudden light. Explanation:Temporary blindness occurs when moving from a darkened room into sunlight because the rods, which are active in low light, become saturated by the sudden increase in light.

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Q. What is the reason for temporary blindness when moving from a darkened room into sunlight?

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