Driving under the influence of certain drugs can cause the driver to experience...
A)Greater perception of the visual field.
B)A higher level of alertness.
C)Optical illusions.Correct
# Explanation
Drugs alter perception and the functioning of the central nervous system, causing **optical illusions** in the driver. These visual distortions seriously affect the ability to correctly interpret the reality of the road, significantly increasing the risk of accidents. On the contrary, drugs decrease visual perception and alertness levels, they do not increase them.