Show:
Types of Lenses
How they work?
What do they do
definitions
BONUS!!!
100
Name the lens that helps far sighted people
Double Convex
100
How does the double convex lens help people
It redirects the light so it shortens the distance which it has to travel allowing the light to fall directly on the retina
100
Do lenses allow you to see far in the distance or close up
Both
100
What does near sighted mean
It means you can't see objects in the distance clearly
100
When your near sighted what shape is your eye
Its oval shaped
200
Name the lenses that helps near sighted people
Double Concave
200
How does the double concave lens help people
It redirects the light to go farther so that it lands directly on the retina
200
Do glasses help people with 20 to 20 vision or people with 20 to 19-1 vision
20 to 19-1
200
What does far sighted mean
It means you can't see things up close clearly
200
When your far sighted what shape is your eye
Its circular
300
Name the lens that starts with plano
plano concave
300
How do lenses affect light rays
Light refracts as it passes through a lens, causing the rays to bend
300
What do lenses do
They redirect light rays to move or go to different places
300
What is the retina
Its a light sensitive area in the back of the eye
300
What are lenses are used in that you wear
Glasses and sunglasses