Which one of the following changes does not occur during dark adaptation?
A) Peak contrast sensitivity shifts to higher spatial frequencies
B) Peak contrast sensitivity shifts to lower temporal frequencies
C) Peak spectral sensitivity shifts to shorter wavelengths
D) Visual function shifts from cone vision to rod vision

Question

Quizplus · Accepted Answer

During dark adaptation, peak contrast sensitivity actually shifts to lower spatial frequencies, not higher. This is because rod vision, which dominates in low light conditions, is more sensitive to lower spatial frequencies compared to cone vision, which is more prevalent in well-lit conditions.

Which One of the Following Changes Does Not Occur During