1 Flashcards
Which part of the orbicularis is responsible for volitional eyelid closure?
Orbital
Which part of the orbicularis is responsible for unconscious blinking?
pretarsal and preseptal
Chronic angular blepharoconjunctivitis - cause
Moraxella lacunata
Cryptophthalmos
partial or complete failure of the eye to form
Pseudocryptophthalmos
eyelids fail to separate
Ankyloblepharon
eyelid margin fails to separate
Demodex in anterior blepharitis
folliculorum
Demodex in posterior blepharitis
brevis
% of tea tree oil
scrub with 50% TTO, lid massage with 5% ointment
Molluscum contagiosum - palogen
poxvirus
Extensive Molluscum contagiosum
workup for HIV
Which lymph nodes drain fluid from the medial eyelid ?
submandibular and submental
Which lymph nodes drain fluid from the conjunctiva ?
submandibular and submental
Which lymph nodes drain fluid from the lateral eyelid?
preauricular
How quickly do cilia typically take to regrow if cut?
2 weeks
How quickly do cilia typically take to regrow if pulled out?
2 months
What is the most common cause of viral dacryoadenitis?
EBV
Sebaceous glands - where
caruncle and within eyebrow hairs
Meibomian glands - what and where
modified sebaceous glands found in the tarsal plates
Glands of Zeis - what and where
sebaceous glands associated with lash follicles
Glands of Moll - what and where
modified apocrine sweat glands opening either into a lash follicle or directly onto the anterior lid margin between lashes; they are more numerous in the lower lid