Eye, functions, structure and disorder practice revised

What is the function of the retina in the human eye?

• To control the amount of light entering the eye

• To focus light on the back of the eye

• To detect light and convert it into neural signals for the brain

• To provide structural support to the eye

Which part of the eye is responsible for focusing light onto the retina?

• Pupil

• Sclera

• Lens

• Cornea

What is the role of the pupil in the human eye?

• To adjust the focus of the eye

• To regulate the amount of light entering the eye

• To protect the eye from ultraviolet light

• To support the structure of the eye

What is the function of the eyelashes according to the image?

• Produce tears

• Protect the eye from large particles

• Cover the sclera

• House and protect the eyeball

What does the conjunctiva do?

• Lubricates the eye

• Houses the eyeball

• Lines the inside of the eyelids and covers the sclera

• Moves to protect the eye

Where is the orbital cavity located?

• Around the eyelashes

• Inside the eyelids

• In the skull, forming a cone-shaped cavity

• Near the lacrimal gland

What is the primary function of the lacrimal gland as described in the image?

• Protects the eye from particles

• Produces tears to cleanse and lubricate the eye

• Covers the sclera

• Forms a cone-shaped cavity

What is the function of the sclera in the human eye?

• It contains rods and cones.

• It nourishes the outer layers of the retina.

• It helps maintain the shape of the eye.

• It is sensitive to bright light.

Which layer of the eye is vascular and nourishes the outer layers of the retina?

• Sclera

• Choroid

• Retina

• Optic Disc

What is the primary function of the retina in the human eye?

• To move the eye

• To nourish the eye through blood vessels

• To reflect light rays and form an image

• To maintain the shape of the eye