NBEO Part 2 – Questions With Accurate Solutions
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Terms in this set (740)
Which type of chemical burn has a Base
worse prognosis: Acid or base?
Which type of chemical burn is more Base- 2x as common
common: Acid or base?
Which chemical is the most common Calcium hydroxide (Lye)
cause of alkali burns on the ocular
surface?
Is limbal blanching more common in Base
an acid or base chemical burn?
After a hyphema, gonioscopy should 1 month
not be performed for at least how
long to avoid rebleeds?
What is an 8-ball Hyphema? Black hyphema filling 100% of the anterior chamber
What is a Microhyphema? RBC's suspended in the anterior chamber without
accumulation at the inferior angle
What does a Vossius ring look like? Pigment ring on the anterior lens capsule
Describe how a Vossius ring is formed: Blunt trauma causes the back of the iris to hit the
anterior lens capsule, leaving behind a ring of
pigment
,When a patient has a Hyphema, how Elevate their head during sleep (approx 30 degrees)
do you manage their IOP? to make the RBC's settle in the inferior angle (and
leave the rest of the angle open)
When a patient presents with an Use of blood thinners
idiopathic hyphema, what should you
always ask about during history?
Which orbital bone is the most likely Maxillary bone
to break in a blowout fracture?
Hallmark clinical signs of a blowout Crepitus on palpation of medial orbital area or
fracture: crepitus after nose-blowing
Enophthalmos
Diplopia
Step-off of the orbital rim
Infraorbital hypoesthesia
What causes the infraorbital Entrapment of the infraorbital nerve (branch of V2)
hypoesthesia after a blowout fracture?
Prognosis for commotio retinae: Usually resolves without sequelae in 24-48 hrs
What is Commotio retinae? "Bruised" retina- disruption of RPE and
photoreceptor outer segments after trauma
Commotio retinae that occurs in the Berlin's edema
macula is called:
In iridodialysis, what structure Iris root detaches from ciliary body
detaches from what?
What is Iridodialysis? Peripheral iris hole where iris root has become
detached after trama
What causes Purtscher's retinopathy? Chest or neck compression (traumatic choking)
Acute pancreatitis
,Clinical findings of Purtscher's Diffuse retinal hemorrhages, exudates, CWS
retinopathy:
Choroidal rupture secondary to Temporal posterior pole
trauma is most likely to occur in which
location?
Potential complication of Choroidal CNVM development (CHBALA)
rupture secondary to trauma:
Conditions that can cause CNVM: CHBALA:
Choroidal rupture
Histoplasmosis
Best's vitelliform
ARMD
Lacquer Cracks
Angioid streaks
What causes prolapse of orbital fat Weakening of the orbital septum
(dermatochalaisis) with age?
Etiologies of Preseptal Cellulitis: Acute hordeolum
Dacryocystitis
Upper respiratory infection or middle ear infection
Skin puncture wounds
Etiologies of Orbital Cellulitis: Sinus infection (especially ethmoid)
Dacryoadenitis, dacryocystitis
Progression of preseptal cellulitis
Orbital fracture
Dental infection
Most common bacteria that cause Staph aureus in adults
orbital cellulitis- adults & children: Haemophilus influenzae in kids
, Signs/sx of Orbital cellulitis: APD
Proptosis
Diplopia
EOM restriction
Fever
Eyelid edema & redness
Potential complications of Orbital Cavernous sinus thrombosis
cellulitis: Brain abscess
Meningitis
Mucormycosis (diabetics & immunocompromised)
What is Mucormycosis? Fungal infection that causes orbital cellulitis in
diabetics & immunocompromised pts- hallmark sign
is "black eschar" in mouth and nose
What is the strongest risk factor for Cigarette smoking
development of thyroid eye disease?
What is the order of muscle IM SLO:
involvement in thyroid eye disease? IR, MR, SR, LR, Obliques
Thyroid eye disease occurs in 30-70%
___________% of patients with Graves'
disease.
The lid retraction in thyroid eye Muller's muscle
disease is due to contraction of which
lid muscle?
Grading system/progression of NO SPECS
thyroid-related Ophthalmopathy: No signs or sx
Only signs, no sx (lid retraction)
Soft tissue involvement
Proptosis
EOM involvement
Corneal involvement
Sight loss (due to optic nerve compression)
Save Groups
Terms in this set (740)
Which type of chemical burn has a Base
worse prognosis: Acid or base?
Which type of chemical burn is more Base- 2x as common
common: Acid or base?
Which chemical is the most common Calcium hydroxide (Lye)
cause of alkali burns on the ocular
surface?
Is limbal blanching more common in Base
an acid or base chemical burn?
After a hyphema, gonioscopy should 1 month
not be performed for at least how
long to avoid rebleeds?
What is an 8-ball Hyphema? Black hyphema filling 100% of the anterior chamber
What is a Microhyphema? RBC's suspended in the anterior chamber without
accumulation at the inferior angle
What does a Vossius ring look like? Pigment ring on the anterior lens capsule
Describe how a Vossius ring is formed: Blunt trauma causes the back of the iris to hit the
anterior lens capsule, leaving behind a ring of
pigment
,When a patient has a Hyphema, how Elevate their head during sleep (approx 30 degrees)
do you manage their IOP? to make the RBC's settle in the inferior angle (and
leave the rest of the angle open)
When a patient presents with an Use of blood thinners
idiopathic hyphema, what should you
always ask about during history?
Which orbital bone is the most likely Maxillary bone
to break in a blowout fracture?
Hallmark clinical signs of a blowout Crepitus on palpation of medial orbital area or
fracture: crepitus after nose-blowing
Enophthalmos
Diplopia
Step-off of the orbital rim
Infraorbital hypoesthesia
What causes the infraorbital Entrapment of the infraorbital nerve (branch of V2)
hypoesthesia after a blowout fracture?
Prognosis for commotio retinae: Usually resolves without sequelae in 24-48 hrs
What is Commotio retinae? "Bruised" retina- disruption of RPE and
photoreceptor outer segments after trauma
Commotio retinae that occurs in the Berlin's edema
macula is called:
In iridodialysis, what structure Iris root detaches from ciliary body
detaches from what?
What is Iridodialysis? Peripheral iris hole where iris root has become
detached after trama
What causes Purtscher's retinopathy? Chest or neck compression (traumatic choking)
Acute pancreatitis
,Clinical findings of Purtscher's Diffuse retinal hemorrhages, exudates, CWS
retinopathy:
Choroidal rupture secondary to Temporal posterior pole
trauma is most likely to occur in which
location?
Potential complication of Choroidal CNVM development (CHBALA)
rupture secondary to trauma:
Conditions that can cause CNVM: CHBALA:
Choroidal rupture
Histoplasmosis
Best's vitelliform
ARMD
Lacquer Cracks
Angioid streaks
What causes prolapse of orbital fat Weakening of the orbital septum
(dermatochalaisis) with age?
Etiologies of Preseptal Cellulitis: Acute hordeolum
Dacryocystitis
Upper respiratory infection or middle ear infection
Skin puncture wounds
Etiologies of Orbital Cellulitis: Sinus infection (especially ethmoid)
Dacryoadenitis, dacryocystitis
Progression of preseptal cellulitis
Orbital fracture
Dental infection
Most common bacteria that cause Staph aureus in adults
orbital cellulitis- adults & children: Haemophilus influenzae in kids
, Signs/sx of Orbital cellulitis: APD
Proptosis
Diplopia
EOM restriction
Fever
Eyelid edema & redness
Potential complications of Orbital Cavernous sinus thrombosis
cellulitis: Brain abscess
Meningitis
Mucormycosis (diabetics & immunocompromised)
What is Mucormycosis? Fungal infection that causes orbital cellulitis in
diabetics & immunocompromised pts- hallmark sign
is "black eschar" in mouth and nose
What is the strongest risk factor for Cigarette smoking
development of thyroid eye disease?
What is the order of muscle IM SLO:
involvement in thyroid eye disease? IR, MR, SR, LR, Obliques
Thyroid eye disease occurs in 30-70%
___________% of patients with Graves'
disease.
The lid retraction in thyroid eye Muller's muscle
disease is due to contraction of which
lid muscle?
Grading system/progression of NO SPECS
thyroid-related Ophthalmopathy: No signs or sx
Only signs, no sx (lid retraction)
Soft tissue involvement
Proptosis
EOM involvement
Corneal involvement
Sight loss (due to optic nerve compression)
