Special senses Flashcards
1
Q
why are rods more light sensitive than cones?
A
rods are more light sensitive because they have more surface area to insert the photopigment than cones do
2
Q
what are the the different optical defects that affects vision?
A
- myopia
- presbyopia
- cataracts
- astigmatism
- hypermetropia
- emmetropia
3
Q
what area of the eyes have the highest acuity and why?
A
Fovea, because there is less tissue for the light to pass through before it gets hit
