adnexa lids orbit lacrimal 2 NBEO.txt

Home

Get App

Create

What bones make up the floor of the orbit?
- Zygomatic
- Maxillary
- Palatine
What bones make up the orbital roof?
- Frontal
- Lesser wing of sphenoid
What bones make up the lateral wall of the orbit?
- Greater wing of sphenoid
- Zygomatic
What bones make up the medial wall of the orbit?
- Maxillary
- Lacrimal
- Ethmoid
- Sphenoid
What is the normal avg tear volume?

6-8 uL
What is the typical demographic of ocular rosacea

Middle-aged women
What triggers the facial flushing in ocular rosacea?
- Alcohol
- Spicy foods
- Caffeine
- Increased sun exposure
What is the typical demographic in ocular cicatricial pemphigoid?

Females 60+
Where are internal hordeolums located?

Meibomian glands
Where are external hordeolums located?
- Glands Zeiss
- Glands of Moll
Where is a chalazion derived from?

Meibomian glands
What muscles are involved in benign essential blepharospasm?
- Orbicularis oculi
- Procerus
- Corrugator
- Lower face
What is the difference between myokymia and blepharospasm?
- Myokymia is unilateral
- Myokymia only involves orbicularis oculi
What main signs differentiate preseptal cellulitis from orbital cellulitis?

Fever, pain on eye movement and EOM found in orbital cellulitis
What is mucormycosis?
- Aggressive fungal infection in the immunocompromised
- Black eschar
What are the signs associated with grave's ophthalmopathy?
- Kocher's sign = staring
- Von Graefe's sign = lid lag in down gaze
- Corneal exposure signs
- EOM swelling
- Possible APD
- Possible reduced VF and color
What contributes the most to ophthalmic findings in Grave's Disease?

Cigarette smoking
What is carotid-cavernous fistula?
- High pressure outside the globe from cavernous sinus
- Pulsatile proptosis
- CN6 palsy
What is the most common benign orbital tumor in adults?

Cavernous hemangioma
What is the most common benign orbital tumor of children?

Capillary hemangioma
What is the most common primary pediatric orbital malignancy?

Rhabdomyosarcoma
What is the most common secondary pediatric orbital malignancy?

Neuroblastoma
What is a localized neurofibroma?

Benign yellow-white tumor of astrocytes
What is a neurilemmoma?

Benign tumor of schwann cells
What is the triad for meningiomas?
- Vision loss
- Optic atrophy
- Optocilliary shunt vessels
What is the most common intrinsic tumor of ONH?

ONH glioma
What orbital tumor is associated with neurofibromatosis type 1?

ONH glioma
What is seborrheic keratosis?
- Brown benign papilloma
- "stuck on" appearance
What is the most common eyelid cancer?

Basal cell carcinoma
What typical signs occur in basal cell carcinoma?
- Shiny, firm pearly nodule
- Superficial telangiectasia
- Rodent ulcer
What is the 2nd most common eyelid cancer?

Squamous cell carcinoma
What are typical signs of squamous cell carcinoma?

Erythematous plaques, rough, scaly, ulcerated plaques
What does actinic keratosis turn into?

Squamous cell carcinoma
What is keratoacanthoma?

Central plaque/ulcer that grows very quickly, then shrinks and resolve spontaneously
What is the 3rd most common orbital disorder in adults?

Orbital pseudotumor
If orbital pseudotumor is bilateral what should you suspect?
- Wegener's granulomatosis
- Polyarteritis nodosa
- Lymphoma
What is Tolosa-hunt syndrome?

Idiopathic orbital inflammation that affects cavernous sinus and superior orbital fissure
What lacrimal system disorder typically is associated with a pouting puncta?

Canaliculitis
What does actinomyces israelii typically cause?

Canaliculitis
What is the primary lateral depressor of the eyebrow?

Orbicularis Oculi
What does the Procerus muscle do?
- Medial depressor
- Pulls medial portion of brow inferiorly
- Gives look of menace or aggression
What facial muscle gives a look of concentration?

Corrugator
What muscle gives a look of surprise?

Frontalis
What muscle moves brow medially?

Corrugator
What facial muscle is the main elevator of eyebrows and forehead?

Frontalis
What disease has s-shaped ptosis?

dacryoadenitis

Author

cjensen20

296037

Card Set

adnexa lids orbit lacrimal 2 NBEO.txt

Description

adnexa lids orbit lacrimal 2 NBEO Optometry

Updated

2015-07-17T11:59:30Z

Show Answers