Sight Flashcards

1
Q

How does the lens focus on nearby objects

A

Certain muscles in the contract and there is less tension on the lens

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How does the lens focus on distant objects

A

The muscles in your eye relax increasing tension in the lens making it thinner

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Flow chart of light onto the eye

A

Cornea-pupil-lens-retina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Why is the image on your retina upside down

A

Because the light rays from the base of the object comes together at the top of the retina and the light rays at the top come together at the bottom of the retina

How well did you know this?
1
Not at all
2
3
4
5
Perfectly