The eye and vision problems

THE EYE

How does the eye work? Why do problems occur?

Multiple Choice

What are the reactants for photosynthesis?

• oxygen and glucose

• oxygen and water

• carbon dioxide and water

• glucose and carbon dioxide

Multiple Choice

The function of the waxy cuticle is....

• its a waterproof layer which allow water in

• its a waterproof layer which help to reduce water lose.

• its pack with chloroplast which carry out photosynthesis.

Multiple Choice

Which is the correct word equation for photosynthesis.

• water + oxygen --> glucose + carbon dioxide

• water + carbon dioxide --> glucose + oxygen

Open Ended

Write a definition for vision?

Multiple Choice

Vision is....

• the faculty or state of being able to see.

• the faculty or state of being able to smell.

• the faculty or state of being able to hear.

• the ability to see in the future.

What is the difference?

How does this happen?

Can your eyes do it?

Multiple Choice

Letter H is pointing to the?

• Retina

• Lens

• Optical Nerve

• Pupil

Multiple Choice

Letter D is pointing to the?

• Retina

• Lens

• Optical Nerve

• Pupil

Multiple Choice

Letter C is pointing to the?

• Retina

• Iris

• Optical Nerve

• Pupil

Multiple Choice

The function of the optical nerve is?

• to protect the eye

• transport impulses between the eye and the brain.

• control how much light enters the eye.

• helps to direct light through the eye.

Multiple Choice

The function of the sclera is?

• to protect the eye

• transport impulses between the eye and the brain.

• control how much light enters the eye.

• helps to direct light through the eye.

Multiple Choice

The function of the cornea is?

• to protect the eye

• transport impulses between the eye and the brain.

• control how much light enters the eye.

• helps to direct light through the eye.

Multiple Choice

The function of the lens is?

• contain light receptors.

• transport impulses between the eye and the brain.

• control how much light enters the eye.

• helps to direct light through the eye.

Multiple Choice

The function of the retina is?

• collect light in the rod and cone cells to create an image

• transport impulses between the eye and the brain.

• control how much light enters the eye.

• helps to direct light through the eye.

Multiple Choice

Myopia is when you are?

• short sightedness

• long sightedness

Multiple Choice

hyperopia is when you are?

• short sightedness

• long sightedness

Multiple Choice

Short sightedness (myopia) is when?

• light focuses on the retina

• light focuses in front of the retina.

• light focuses behind the retina

Multiple Choice

long sightedness (hyperopia) is when?

• light focuses on the retina

• light focuses in front of the retina.

• light focuses behind the retina

Multiple Choice

long sightedness (hyperopia) is treated by using lens which are?

• Concave

• Convex

Multiple Choice

Short sightedness(myopia) is treated by using lens which are?

• Concave

• Convex

Multiple Choice

The image shows someone who is suffering from?

• short sightedness

• long sightedness

• no eye condition

Multiple Choice

The image shows someone who is suffering from?

• short sightedness

• long sightedness

• no eye condition