Acute Ophthalmological Emergencies
Transcript of Acute Ophthalmological Emergencies
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Acute Ophthalmological
EmergenciesAlexandra Brant (PA-MVR, BSc, MSc)
Physician Associate in General Surgery
East Surrey Hospital
Note: images used sourced from wikimedia
commons
An Associated University Hospital of
Brighton and Sussex Medical SchoolSlide 1
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Introduction
An Associated University Hospital of
Brighton and Sussex Medical SchoolSlide 2
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Why?
• Two!
• Increased demand on services
• Capacity reduction
Slide 3
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Intended learning outcomes
• Define “ocular emergency”
• Develop a safe diagnostic approach when faced with emergency
presentations
• Recognise and implement immediate management decisions required to
prevent clinical deterioration
• Establish an effective referral protocol
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LEARNING OUTCOME
IF UNSURE
REFERSlide 5
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Overview
• Definition of ophthalmic
emergency
• Ocular terminology
• History and examination skills
• Case presentations and their
management/referral:
– Red eye
– Painful eye
– Visual symptoms
– Trauma
– Post-operative complications
• Questions
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Definition
Slide 7
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Ocular terminology 1• Emmetropia: the normal refractive condition of the eye in which with
accommodation relaxed parallel rays of light are all brought accurately to a focus
upon the retina
• Refractive error: Common eye disorder whereby the eye cannot clearly focus
images from the outside world resulting in blurred vision (may cause visual
impairment in its severest form)
• Myopia (nearsightedness): difficulty in seeing distant objects clearly
• Hypermetropia (farsightedness): difficulty in seeing close objects clearly
• Astigmatism: distorted vision resulting from an irregularly curved cornea, the
clear covering of the eyeball
• Presbyopia: difficulty in reading or seeing at arm's length, linked to ageing
and occurs almost universally
• Visual acuity (VA): acuteness or clearness of vision, it is dependent on the
sharpness of the retinal focus within the eye, the sensitivity of the nervous
elements, and the interpretative faculty of the brain
• Fundus: aka retina, the interior surface of the eye opposite the lens and includes
the retina, optic disc, macula, fovea, and posterior pole
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Ocular terminology 2• Accommodation: the process by which the
vertebrate eye changes optical power to
maintain a clear image or focus on an
object as its distance varies
• Aphakia: is the absence of the lens of the
eye, due to surgical removal, a perforating
wound or ulcer, or congenital anomaly
• Pseudophakia: having an artificial lens
implanted after the natural eye lens has
been remove
• Uveal tract: layer of tissue located between
the outer layer (cornea and sclera) and the
inner layer (the retina) of the eye consisting
of the iris the choroid and the stroma of the
ciliary body
• Perimetery: measurement of a person's
field of vision
• OD: oculus dextrus the right eye
• OS: oculus sinister the left eye
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Ocular history
• PC/HPC
• PMHx
• POHx
• Medications
• Allergies
• SH
• FH
• RoS
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Ophthalmic examination
• Visual Acuity (VA)
• Visual fields
• Eye Movements
• Face, lids and orbit
• Conjunctiva and sclera
• Cornea
• Pupils
• Retina (aka Fundus)
• Miscellaneous (colour vision,
bionocular vision etc.)
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Case Presentations
An Associated University Hospital of
Brighton and Sussex Medical SchoolSlide 12
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Case presentations
• Red eye
• Painful eye
• Visual symptoms
• Trauma
• Contact lens problems
• Post-operative complications
Slide 13
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Red Eye
An Associated University Hospital of
Brighton and Sussex Medical SchoolSlide 14
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Red eye
• Acute onset, painful
• Unilateral
• Bilateral
• Acute onset, painless
• Unilateral
• Bilateral
• Chronic
• Trauma
Slide 15
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Red eye, Case 1Acute onset, painful, unilateral
Slide 16
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Red eye (acute onset, painful, unilateral)
Case 1
30 year old
HPC: acute onset pain/redness in RE, constant worse when eye open
Associated Sx: tearing and sensitivity to light OD and states it “feels as if there is
something in it.”
PMHx: asthma, eczema, depression
POHx: myopic, monthly disposable contact lenses
Medications & allergies: citalopram 20mg OM, Salbutamol 200 micrograms PRN QDS,
hydrocortisone cream. NKDA.
SHx: non smoker, minimal EToH, legal secretary, lives alone, no assistance required
with ADLs
FHx: nil significant
RoS: systemically well
O/E: 6/5 LE, 6/9 RE, PERRLA, no gross visual field defect, full ROM in extraocular
muscles
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Red eye (acute onset, painful, unilateral)
Case 1
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Red eye (acute onset, painful,
unilateral)
Case 1
What is the most appropriate
management?
Slide 19
POLL
OPEN
1 Provide reassurance and discharge the patient
0%
2 Topical artifical tears and analgesia
0%
3 Non urgent referral to Opthalmology
0%
4 Urgent, same day referral to Opthalmology
0%
5 Topical chloramphenicol 1 drop BE every 2 hours
0%
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Red eye (acute onset, painful,
unilateral)
Case 1
What is the most likely diagnosis?
Slide 20
POLL
OPEN
1 Acute angle closure glaucoma
0%
2 Corneal ulcer
0%
3 Scleritis
0%
4 Corneal abrasion
0%
5 Conjunctivitis
0%
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Red eye (acute onset, painful, unilateral)
Commonly
• Corneal abrasion
• Corneal Foreign body/Subtarsal
foreign body
• Penetrating/blunt injury
• Ingrowing lashes (Entropian)
• Contact lens related
Less commonly
• Acute glaucoma
• Uveitis
• Orbital cellulitis
• Scleritis/episcleritis
• Previous surgery
• Corneal ulcer
• Shingles
• Thyroid eye disease
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Red eye (acute onset, painful, unilateral)
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Red eye (acute onset, painful, unilateral)
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Red eye (acute onset, painful, unilateral)
Slide 24
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Red eye, red flags
Slide 25
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Red eye, Case 2Acute onset, painful, bilateral
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Red eye (acute onset, painful, bilateral)
Case 2
28 year old male, presenting to A&E 9pm
HPC: acute onset pain BE, constant
Associated Sx: “feels like sand poured in my eyes”, refusal to open eyes
PMHx: nil
POHx: nil
Medications & allergies: nil regular medications, NKDA
SHx: smokes 10/day, welder, moderate EtOH 12-14 units/week
FHx: mother - acute angle closure glaucoma
RoS: Systemically well
O/E: clenching eyes closed
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Red eye (acute onset, painful,
bilateral)
Case 2
What is the most appropriate
management?
Slide 28
POLL
OPEN
1 Provide reassurance, analgesia and discharge the patient0%
2 Urgent referral to ophthalmologist within 24 hours0%
3 Non urgent referral to ophthalmologist0%
4 Timolol, one drop BE ON0%
5 Topical chloramphenicol 1 drop BE every 2 hours0%
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Red eye (acute onset, painful,
bilateral)
Case 2
What is the most likely diagnosis?
Slide 29
POLL
OPEN
1 Acute angle closure glaucoma0%
2 Dry eyes0%
3 Photokeratitis0%
4 Thyroid eye disease0%
5 Conjunctivitis0%
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Red eye (acute onset, painful, bilateral)
Commonly
• Conjunctivitis
• Allergy
• Chemical injury
• Welding
• Trauma
• Contact lens wear
Consider
• Dry eyes
• Thyroid eye disease
• Carotico-cavernous fistula
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Red eye, Case 3Acute onset, painless, unilateral
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Red eye (acute onset, painless, unilateral)
Case 3
46 year old female
2-3 week Hx of painless right red eye
Associated Sx: nil
PMHx: nil
POHx: Hyperopic, wears glasses, “lazy eye” as child patch therapy
Medications & allergies: citalopram 20mg OM, Salbutamol 200 micrograms PRN QDS,
hydrocortisone cream
SHx: non smoker, homemaker, minimal EtOH 4 units/week
FHx: aunt – thyroid eye disease
RoS: Systemically well
O/E: V/A 6/6 (OS & OD), no field defect, PERRLA, full ROM in extraocular muscles
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Red eye (acute onset, painless, unilateral)
Case 3
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Red eye (acute onset, painless,
unilateral)
Case 3
What is the most appropriate
management?
Slide 34
POLL
OPEN
1 Provide reassurance and discharge the patient
0%
2 Urgent, same day referral to ophthalmologist
0%
3 Non urgent referral to ophthalmologist
0%
4 Commence thyroid hormone replacement therapy and refer to
ophthalmologist
0%
5 Topical chloramphenicol 1 drop BE every 2 hours
0%
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Red eye (acute onset, painless,
unilateral)
Case 3
What is the most likely diagnosis?
Slide 35
POLL
OPEN
1 Episcleritis0%
2 Subconjunctival haemorrhage0%
3 Allergic reaction0%
4 Thyroid eye disease0%
5 Scleritis0%
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Red eye (acute onset, painless, unilateral)
• Conjunctivitis
• Subconjunctival haemorrhage
• Episcleritis
• Allergic reaction
Slide 36
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Red eye (acute onset, painless, unilateral)
Slide 37
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Red eye (acute onset, painless, unilateral)
Slide 38
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Red eye, Case 4Acute onset, painless, bilateral
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Red eye (acute onset, painless, bilateral)
Case 4
22 year old male
1 week Hx of painless red eyes
Associated Sx: dry, itchy
PMHx: nil
POHx: nil, emmetropic, can’t remember last eye test
Medications & allergies: nil regular medications, NKDA
SHx: non smoker, officeworker, teetotal
FHx: grandmother cataract
RoS: Systemically well
O/E: V/A 6/6 (OS & OD), no field defect, PERRLA, full ROM in extraocular muscles
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Red eye (acute onset, painless, bilateral)
Case 4
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Red eye (acute onset, painless,
bilateral)
Case 4
What is the most appropriate
management?
Slide 42
POLL
OPEN
1 Provide reassurance and discharge the patient0%
2 Urgent, same day referral to ophthalmologist0%
3 Non urgent referral to ophthalmologist0%
4 Provide advice on lid hygiene and discharge the patient0%
5 Topical ocular lubricants and refer to ophthalmologist0%
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Red eye (acute onset, painless,
bilateral)
Case 4
What is the most likely diagnosis?
Slide 43
POLL
OPEN
1 Blepharitis0%
2 Conjunctivitis0%
3 Allergic reaction0%
4 Thyroid eye disease0%
5 Orbital cellulitis0%
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Red eye (acute onset, painless, bilateral)
• Conjunctivitis
• Blepharitis
• Allergy
• Thyroid eye disease
Slide 44
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Red eye (acute onset, painless, bilateral)
Slide 45
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Red eye (acute onset, painless, bilateral)
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Painful eye
Slide 47
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Painful eye
• Painful eye normal appearance
• Painful red eye
• Already covered!
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Painful eye, Case 5
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Painful eye, normal appearance
Case 5
50 year old female
2/52 Hx of painful left eye, gradual onset, pain located behind eye, worse on movement
Associated Sx: blurred vision in LE
PMHx: T2DM, hypothyroidism
POHx: refractive surgery in 20s
Medications & allergies: metformin 1g BD, levothyroxine 125 micrograms OM, codeine –
“nausea and vomiting”
SHx: smokes 20/day (60 pack years), teacher, teetotal
FHx: father - wet AMD
RoS: Systemically well
O/E: V/A 6/6 OD, 6/9 OS, no gross field defect, PERRLA, full ROM in extraocular
muscles, pain in LE reported on movement
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Painful eye, normal appearance
Case 5
What is the most appropriate
management?
Slide 51
POLL
OPEN
1 Provide reassurance and discharge the patient0%
2 Urgent, same day referral to ophthalmologist0%
3 Non urgent referral to ophthalmologist0%
4 Commence corticosteroid therapy and refer to neurology0%
5 Recheck TFTs and increase levothyroxine0%
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Painful eye, normal appearance
Case 5
What is the most likely diagnosis?
Slide 52
POLL
OPEN
1 Temporal arteritis0%
2 Optic neuritis0%
3 Incorrect refractive correction0%
4 Ocular migraine0%
5 Sinusitis0%
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Painful eye, normal appearance
• Temporal arteritis
• Sinusitis
• Neuralgia
• Incorrect refractive correction
• Migraine
• Ischemia
• Optic neuritis
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Visual symptoms
Slide 54
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Visual symptoms
• Loss or reduction of vision
• Acute total loss of vision
• Acute partial loss of vision
• Chronic loss of vision
• Flashes, floaters and cobwebs
• Diplopia (double vision)
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Visual symptoms,
Case 6
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Visual symptoms,
Case 6
80 year old male
2 hour history of decreased vision RE
Associated Sx: nil significant, denies pain
PMHx: T2DM, HTN, dyslipidemia
POHx: cataract surgery RE ~ 10 years ago
Medications & allergies: metformin 1g BD, amlodipine 5mg ON, atorvastatin 40mg ON,
NKDA
SHx: non smoker, retired naval officer, 7 units/week EtOH, lives alone
FHx: nil significant
RoS: Systemically well
O/E: V/A HM OD, 6/9 OS, unable to assess fields, RAPD RE, full ROM in extraocular
muscles
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Visual symptoms,
Case 6
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Visual symptoms,
Case 6
What is the most appropriate
management?
Slide 59
POLL
OPEN
1 Provide reassurance and discharge the patient
2 Urgent, same day referral to ophthalmologist
3 Non urgent referral to ophthalmologist
4 Commence corticosteroid therapy and refer to neurology
5 Measure ESR and CRP, consider commencement of steroid
therapy
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Painful eye, normal appearance
Case 5
What is the most likely diagnosis?
Slide 60
POLL
OPEN
1 Non-arteritic ischaemic optic neuropathy
2 Temporal arteritis
3 Central retinal vein occlusion
4 Central retinal artery occlusion
5 Retinal detachment
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Visual symptoms,
Case 6
• Differential diagnosis:
• giant cell arteritis
• Central or branch retinal artery
occlusion
• Non-arteritic ischaemic optic
neuropathy
• Retinal detachment
• Central or branch retinal vein
occlusion
• Vitreous haemorrhage
Slide 61
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Visual symptoms (diplopia)
Slide 62
• Refer all acute third nerve
palsies if pupil involvement or
pain
• Tim root: super eye palsies;
https://youtu.be/FKrCh6BnTR4
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Trauma
• Chemical injury
• Acid vs alkali
• Foreign body/abrasion
• Thermal injury
• Blunt injury
• Globe rupture
• Orbital haematoma
(with/without view of eye)
• Blow out fracture
• Hyphema
• Sharp injury
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Contact lens problems
• Overwear
• Accidental instillation of cleaning
fluid into eye
• “Lost lenses”
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Post-operative complications
• Discomfort/pain
• Visual disturbance
• Reduced vision
• Red eye
• Foreign body sensation
• Gradual blurring
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Referral summary
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Intended learning outcomes
• Define “ocular emergency”
• Develop a safe diagnostic approach when faced with emergency
presentations
• Recognise and implement immediate management decisions required to
prevent clinical deterioration
• Establish an effective referral protocol
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Resources
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