Sensory Systems

Fill in the Blanks

A thin membrane called the

covers the surface of the eyeball and the inner layer of the eyelid.

Multiple Choice

Which part of the eye is responsible for detecting light and converting it into electrical signals?

• Iris

• Lens

• Retina

• Cornea

Multiple Choice

What happens when the iris contracts?

• The lens becomes more spherical

• The cornea flattens

• The pupil enlarges

• The pupil becomes smaller

Multiple Choice

What is the correct order of the pathway of vision starting from the Cornea?

• Cornea → Pupil → Lens → Retina → Rods and Cones → Optic Nerve → Brain

• Pupil → Cornea → Lens → Retina → Rods and Cones → Optic Nerve → Brain

• Lens → Cornea → Pupil → Retina → Rods and Cones → Optic Nerve → Brain

• Rods and Cones → Cornea → Pupil → Lens → Retina → Optic Nerve → Brain

Multiple Choice

What are the common symptoms of cataracts?

• Gradual blurring of vision

• Sudden loss of vision

• Increased sensitivity to light

• Eye pain

Multiple Choice

What is the primary cause of Canine Cataracts?

• Old age

• Diabetes

• Infections

• All of the above

Multiple Choice

What is the most common treatment for Canine Cataracts?

• Antibiotics

• Surgical removal

• Steroid eye drops

• No treatment is necessary

Multiple Choice

Primary Glaucoma in dogs is characterized by:

• Increased intraocular pressure

• Decreased intraocular pressure

• Ulcer formation on the cornea

• Inflammation of the conjunctiva

Multiple Choice

What number is displayed in the Ishihara test plate?

• 1

• 2

• 3

• 4

Multiple Choice

What are the common symptoms of conjunctivitis?

• Redness

• Itching

• Blurred vision

• Dry eyes

Multiple Select

In a patient with sunconjnunctival h'ge, further investigation including imaging is warranted if

• More than 50% of the palpebral aperture is involved

• The colour is yellowish

• The posterior border of the h'ge is not seen

• There is an associated hyphema

Multiple Choice

Which of the following is a symptom of conjunctivitis in pets?

• Dry skin

• Hair loss

• Red, swollen eyes

• Increased appetite

Multiple Choice

Conjunctivitis in pets can be caused by:

• Bacteria

• Viruses

• Allergies

• All of the above

Multiple Choice

Which of the following is NOT a symptom of conjunctivitis in animals?

• Redness of the eye

• Swelling of the surrounding eye tissue

• Increased intraocular pressure

• Discharge from the eye

Multiple Choice

What is a detached retina and why is it considered an emergency situation?

• It is a minor issue that resolves on its own

• It is an emergency where the retina pulls away from blood vessels

• It is a common condition that affects everyone

• It is a condition that only affects older adults

Multiple Choice

What are the symptoms of Diabetic Retinopathy?

• Spots or floaters

• Blurred vision

• Impaired color vision

• All of the above

Multiple Choice

What are the symptoms of glaucoma?

• Mild aching

• Loss of peripheral vision

• Halos around light

• All of the above

Fill in the Blanks

Macular Degeneration is the leading cause of

loss.

Multiple Select

What are the symptoms of Macular Degeneration?

• Partial loss of vision

• Abnormality where straight lines appear wavy

• Blurred vision

• Loss of central vision

Multiple Select

What are the risk factors associated with Macular Degeneration?

• Age (55 and over)

• Genetics—family history

• Race—more common in Caucasians

• Smoking

Multiple Choice

What is the main characteristic of Astigmatism?

• Light focuses in front of the retina

• Light focuses behind the retina

• Irregular curvature of the cornea

• Lens loses elasticity

Multiple Choice

What causes Presbyopia?

• Lens loses elasticity

• Eyeball too long

• Irregular curvature of the cornea

• Light focuses behind the retina

Multiple Choice

What is the treatment for Myopia?

• Convex lenses

• Bifocals

• Concave lenses

• Surgical therapy

Poll

How confident do you feel about this topic now?

• Very confident
• Somewhat confident
• Not confident