Question

What happens if we move from a dark room into bright sunshine suddenly? Explain your answer in terms of response to stimulus.

Answer 1

Acclimatization of eyes to light:

1. Acclimatization is an adaptive feature that allows an organism to temporarily adapt itself to the changing environment.
2. When we move from a dark room into bright sunshine suddenly, we cannot see anything clearly because:
3. After a short time, the vision improves because the pupil adjusts itself to become smaller.
4. This allows only a limited amount of light inside the eyes. and thus we can see clearly.