I Can #3 Vision

This part of the eye is responsible for bright light and colour.

• Cones

• Rods

• Cornea

• Pupil

Answer explanation

Cones are less sensitive to light when compared to rods, which help us see better in dim/low light and don't help see colours.

What does farsighted mean?

• An image focuses behind your retina

• An image focuses in front of your retina

• An image focuses on your retina.

• You are blind.

Answer explanation

Farsightedness is caused by many things such as having "short" eyes or by having "flatter" corneas that focus images behind your retina.

What color has the LONGEST wavelength?

• Blue

• Green

• Yellow

• Red

• Violet

Answer explanation

Red is the longest, violet is the shortest

What does nearsightedness mean?

• An image focuses in front of your retina

• An image focuses behind your retina

• An image focuses on your retina

• You are blind.

Answer explanation

Nearsightedness is caused by many things including having a "long" eye or having a steeply curved cornea.

The part of your eye that gives it its color.  It is a muscle that controls the size of your pupil.

• Cornea

• Lens

• Pupil

• Iris

Answer explanation

Remember that the "pretty" part of your eye is called the iris. In humans, the most common iris colour is brown with ~75-80% of the population. Followed by blue (~12%), hazel (~5%) and green (~3%)

Which part of the eye dilates in dark places and contracts in bright places?  

• Cornea

• Retina

• Pupil

• Lens

Answer explanation

Your pupil is the biological equivalent of an aperture on a camera as they change shape to adjust the amount of light allowed into your eye/the camera.

Which type of vision allows you to see distance clearly but nearby objects appear blurry?

• farsighted

• nearsighted

Answer explanation

This type of material transmits some light but you cannot see through them clearly.

• Translucent

• Transparent

• Opaque

• Lenses

Answer explanation

TRANSPARENT

A material that does not permits light to pass through .

• TRUE

• FALSE

The reflective part at the back of the eye in many animals is called this.

• Tapetum lucidum

• Ciliary muscles

• Retina

• Optic nerve