Eyes - exam, conjunctiva, eyelids, cornea

Descripción

(BVMS4 ) Veterinary Medicine Test sobre Eyes - exam, conjunctiva, eyelids, cornea , creado por Ella Gordon el 29/09/2023.
Ella Gordon
Test por Ella Gordon, actualizado hace 10 meses
Ella Gordon
Creado por Ella Gordon hace 10 meses
1
0

Resumen del Recurso

Pregunta 1

Pregunta
Which of the following is a not normal tonometry reading?
Respuesta
  • 23
  • 18
  • 30
  • 10

Pregunta 2

Pregunta
Tick what is true for the ocular exam
Respuesta
  • You can use ultrasonography
  • Abnormalities will appear as anechoic
  • You should check the PLR and dazzle with lights on and off
  • If the reading on the totometer is low then the handling of the animal is likely wrong.
  • Always must do a full clinical exam too
  • If you see exophthalmos should try and retropulse the eye.

Pregunta 3

Pregunta
Fill in the number settings that should be selected for each of the parts of the eye cornea = + [blank_start]20[blank_end] lens = +[blank_start]8-12[blank_end] retina = [blank_start]+3[blank_end] - (-3)
Respuesta
  • +3
  • 8-12
  • 20

Pregunta 4

Pregunta
[blank_start]Blepharitis[blank_end] is inflammation of the eyelid Treat with broad-spectrum antibiotics for >[blank_start]3[blank_end] weeks May use corticosteroids but need to check for [blank_start]Dermodex[blank_end] before giving them.
Respuesta
  • Blepharitis
  • 3
  • Dermodex

Pregunta 5

Pregunta
What is this condition?
Respuesta
  • distichiasis

Pregunta 6

Pregunta
Select the name of the treatment carried out to correct ectopic cilia
Respuesta
  • en-bloc resection
  • cryotherapy
  • plucking
  • electrolysis
  • eyelid split surgery

Pregunta 7

Pregunta
T/F: if a young puppy has entropion you should immediately carry out the an operation to resect excess skin from around the eye
Respuesta
  • True
  • False

Pregunta 8

Pregunta
Entropion op - fill in the blanks • Removal of [blank_start]crescent[blank_end] shape skin + muscle. • The amount removed should be relative to the severity of the entropion. Incision should be made [blank_start]2-3[blank_end] mm below, [blank_start]parallel[blank_end] to the eyelid margin. • Continue the incision with scissors. • Close the wound with [blank_start]vicryl[blank_end] (5-6/0) • Make sure to scrub with [blank_start]betadine[blank_end] - not any soap based product. • Cone, topical Abs, and NSAIDS for 1 week. Heals by [blank_start]10-14[blank_end]d.
Respuesta
  • crescent
  • 2-3
  • vicryl
  • betadine
  • 10-14
  • parallel

Pregunta 9

Pregunta
Match the definition of the types of cat entropion with the names for each type [blank_start]Juvenile form[blank_end]: anatomical defect (same as most dogs) [blank_start]Cicatricial entropion[blank_end]: conjunctival scar formation (eg after herpes) [blank_start]Occurs in older cats[blank_end]: loss of orbital fat pad and therefore eyelid tone
Respuesta
  • Occurs in older cats
  • Cicatricial entropion
  • Juvenile form

Pregunta 10

Pregunta
Tick which are true for diamond eye
Respuesta
  • Needs referral
  • Ectropion + entropion
  • Chronic keratitis common side effect
  • Can operate in house - need to tack the skin only
  • Rarely pathogenic and usually just an aesthetic issue
  • A form of ectropion

Pregunta 11

Pregunta
An eyelid tumour is more likely to be malignant on a
Respuesta
  • cat
  • dog

Pregunta 12

Pregunta
The 4 functions of the nictitating gland AKA third eyelid S[blank_start]ecretory[blank_end] [blank_start]Immunological[blank_end] [blank_start]Tear[blank_end] [blank_start]film[blank_end] distribution [blank_start]Surface[blank_end] [blank_start]protection[blank_end]
Respuesta
  • ecretory
  • Immunological
  • Tear
  • film
  • Surface
  • protection

Pregunta 13

Pregunta
Which does this describe? Can occur commonly in brachys and mastiffs, usually young dogs, and surgery called the conjunctival pocket technique can be carried out.
Respuesta
  • Cherry eye/ third eyelid prolapse
  • Scrolling of the third eyelid
  • entropion
  • ectopic cilia

Pregunta 14

Pregunta
Conjunctivitis - what are true?
Respuesta
  • Diffuse inflammation of the conjunctiva
  • fusidic acid or chloramphenicol used
  • Corneal ulcers and dry eye are common causes
  • Likely an infectious cause in dog
  • Cat likely just trauma as the cause
  • Can be treated with steroids

Pregunta 15

Pregunta
T/F: FHV-1 is very epitheliotoxic and can cause ulcers
Respuesta
  • True
  • False

Pregunta 16

Pregunta
T/F: need to look right behind the third eyelid to see if there are any foreign bodies as these can be a cause of recurrent conjunctivitis
Respuesta
  • True
  • False

Pregunta 17

Pregunta
The Schirmer tear test is a way of testing for dry eye which is a common cause of recurrent conjunctivitis. The tears need to run up to the ........ mark in ...........
Respuesta
  • 15 mm in 30 seconds
  • 10 mm in 15 seconds
  • 15mm in 60 seconds
  • 20 mm in 90 seconds

Pregunta 18

Pregunta
Treatment for dry eye in a dog assuming it is caused by the most common reason
Respuesta
  • ciclosporin
  • tacrolimus
  • antibiotics
  • steroids
  • NSAIDS

Pregunta 19

Pregunta
If the bottom of the ulcer is not picking up dye then it is likely that the ulcer ahs reached which layer?
Respuesta
  • epithelial
  • stromal
  • endothelial
  • descements membrane

Pregunta 20

Pregunta
Which are true for uncomplicated ulcers?
Respuesta
  • Should heal in 7 days
  • NSAIDS
  • ANtibiotics - chloramphenicol or fusidic acid
  • All dogs need serum drops
  • Likely there is inadequate tear film
  • Needs to be debrided

Pregunta 21

Pregunta
If there is a ring around the ulcer (lip) which has a slightly different uptake of dye than the rest of the ulcer which ulcer do you think this is?
Respuesta
  • SCCED
  • melting ulcer
  • descemetocoele
  • uncomplicated ulcer

Pregunta 22

Pregunta
deep ulcers are more than [blank_start]1/2[blank_end] of the depth of the cornea which is more than [blank_start]0.3[blank_end]mm in depth needs [blank_start]hourly[blank_end] eye drops and plasma drops [blank_start]pain[blank_end] [blank_start]relief[blank_end] must be given consider [blank_start]referral[blank_end]
Respuesta
  • referral
  • pain
  • relief
  • hourly
  • 1/2
  • 0.3

Pregunta 23

Pregunta
If there is a yellow/ gelatinous appearance around the edge of the ulcer what would you be suspicious of and what should you give the animal
Respuesta
  • Deep ulcer + plasma/ serum drops
  • melting ulcer + steroids
  • melting ulcer + serum/plasma
  • SCCED + steroids

Pregunta 24

Pregunta
Which of the following can cause ulcers in cats that first appear as a spiderweb but can develop into very severe ulcers if not treated appropriately?
Respuesta
  • herpes virus
  • chlamydia
  • corneal sequestrum
  • uncomplicated ulcers

Pregunta 25

Pregunta
What should be done if these do not shed themselves/ they are painful?
Respuesta
  • Surgical removal

Pregunta 26

Pregunta
[blank_start]Crystalline stromal dystrophy[blank_end]: self-limiting, can bur it off for temporary relief if sore [blank_start]Lipid keratotomy[blank_end]: due to keratitis, check for hyperlipidemia [blank_start]Arcus lipoides[blank_end]: hypothyroid dogs, fix the hypothyroidism and it should dissipate
Respuesta
  • Arcus lipoides
  • Lipid keratotomy
  • Crystalline stromal dystrophy

Pregunta 27

Pregunta
Corneal oedema that is not due to uveitis or glaucoma should be treated with
Respuesta
  • NaCl ointment
  • Eye removal
  • steroids
  • antibiotics
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