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Ophthalmology > Ophthalmology 3rd year Quiz > Flashcards

Ophthalmology 3rd year Quiz Flashcards

1
Q

6 extra ocular muscles attach to it

A

Sclera

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2
Q

Avascular structure, receives nutrients and oxygen from aqueous humour

A

Cornea

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3
Q

Responsible for aqueous humour drainage

A

Trabecular Meshwork

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4
Q

Produces aqueous humour

A

Ciliary Body

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5
Q

Reflects off anterior surface of the sclera to cover under sides of eyelids

A

Conjunctiva

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6
Q

Motor innervation of superior oblique muscle

A

CN 4 Trochlear

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7
Q

Motor innervation of superior rectus

A

CN 3 Oculomotor

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8
Q

Sensory innervation of the eye

A

CN 5 Trigeminal

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9
Q

Responsible for vision of the eye

A

CN 2 Optic

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10
Q

Motor innervation of lateral rectus muscle

A

CN 6 Abducens

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11
Q

Most likely condition?

Sudden painful eye, blurred vision, headache, nausea, red eye, hazy cornea, pupil semi-dilated, IOC >50mmHg

A

Acute angle closure Glaucoma

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12
Q

Most likely condition?

Red eye, very painful, patient wakes up from sleep, pain radiates to forehead/brow/jaw, pain worse on eye movement, reduced vision

A

Scleritis

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13
Q

Most likely condition?

Unilateral red eye, painful, photophobia, reduced blurred vision, constricted pupil, IOC normal or raised, lacrimation, keratic precipitates

A

Anterior Uveitis

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14
Q

Most likely condition?

Bilateral red eye gritty eye pain, discharge from eye, normal vision, pupil and IOC

A

Conjunctivitis

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15
Q

Most likely condition?

Itchy burning eye, inflamed lid margin, can be asymptomatic, normal vision

A

Blepharitis

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16
Q

Most likely condition?

Unilateral Red eye, reduced vision, discharge, sensation of foreign body, photophobia, lacrimation, normal pupil

A

Keratitis

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17
Q

Most likely condition?

Excessive tearing, red sclera, recurrent eye infection, painful swelling near coruncle, blurred vision

A

Blocked Nasolacrimal Duct

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18
Q

Class of drug for eyes:

Chloramphenicol and Levofloxacin

A

Antibiotics

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19
Q

Class of drug for eyes:

Aciclovir

A

Antiviral

20
Q

Class of drug for eyes:

Pilocarpine

A

Miotics

21
Q

Class of drug for eyes:

Timolol

A

Beta blocker

22
Q

Class of drug for eyes:

Prednisolone

A

Steroid

23
Q

Class of drug for eyes:

Acetazolamide

A

Carbonic anhydrase inhibitors

24
Q

Class of drug for eyes:

Atropine

A

Mydriatics

25
Q

Class of drug for eyes:

Briomidine

A

Sympathomimetics

26
Q

Commonest cause of Uveitis

A

idiopathic

27
Q

Commonest cause of Conjunctivitis

A

Adenovirus

28
Q

Common cause of conjunctivitis in AIDs patients

A

Molluscum Contagiosum

29
Q

Common cause of Blepharitis

A

Staph Aureus

30
Q

Common cause of Keratitis

A

Herpes Simplex

31
Q

Cause of blocked nasolacrimal duct

A

Tumour in the nose/injury/age

32
Q

Alternative bacterial causes of Uveitis

A

Syphilis and J: Lyme’ Disease

33
Q

Presentation of retinal detachment

A

Asymptomatic, painless, floaters, flashes, progressive visual field loss, RAPD positive

34
Q

Presentation of Amaurosis Fugax

A

Painless temporary loss of vision in 1 or both eyes

35
Q

Presentation of Diabetic eye disease

A

Gradual painless central vision loss

36
Q

Presentation of Thyroid eye disease

A

Pre-orbital aching, red irritated eye, diplopia, mild photphobia and painful eye movement

37
Q

Presentation of CN3 nerve palsy

A

Diplopia, ptosis and eye diverges

38
Q

Presentation of Horner’s syndrome

A

Miosis, partial ptosis, hemifacial anhidrosis

39
Q

Presentation of Optic Neuritis

A

Reduced vision, eye pain on movements, impaired colour vision, light flashes, RAPD positive, scotoma

40
Q

Diabetic Retinopathy staging description of: Background

A

Micro-aneurysms, dots and blots, hard exudate

41
Q

Diabetic Retinopathy staging description of: pre-proliferative

A

Soft exudate present

42
Q

Diabetic Retinopathy staging description of: proliferative

A

New vessels form around the optic disc

43
Q

Diabetic Retinopathy staging description of: diabetic maculopathy

A

Things encroach on the macula

44
Q

Hypertensive retinopathy: Stage 1

A

Vascular attenuation –narrowing, increased tortuosity

45
Q

Hypertensive retinopathy: Stage 2

A

Salu’s sign –AV nipping, silver copper wiring

46
Q

Hypertensive retinopathy: Stage 3

A

Retinal oedema, cotton wool spots, flame and splinter, hard and soft exudate

47
Q

Hypertensive retinopathy: Stage 4

A

Papilloedema

Ophthalmology (14 decks)

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