Common Conditions Involving the Lids Flashcards
The upper lid is slow to react as the eye looks down exposing the sclera between the lid margin and iris.
Lid (sag) retraction
Lid (lag) retraction suggests what?
Hyperthyroidism (early exophthalmos)
If lid (lag) retraction is due to a tumor what C.N. is involved?
C.N. 7
Upper lid droops compared to the other eye. Called?
Lid (sag) ptosis
Is lid (sag) ptosis is congenital or acquired?
Could be either.
Is lid (sag) ptosis is weakness of what muscle? Or it is paresis of a branch of which C.N.?
Levator palpebrae superioris
III
Inflammation of the eyelash follicles and Meibomian glands.
Blephaitis
Blephaitis is inflammation of what?
Eyelash follicles and Meibomian glands
Blephaitis results in what?
Red, swollen, crusty lid margins
Blephaitis may be associated with what?
Allergies, seborrheic dermatitis, and psoriasis
A bacterial infection of a gland in an eyelash follicle causing a well-circumcised red, swollen pustule.
Sty(e)
Another name for a sty is?
hordeolum
A sty is what kind of bump?
pustue
A hordeolum affects what?
Gland in an eyelash follicle
A sty(e) is what kind of infection?
bacterial
A hard painless posture on the eyelid due to an obstruction of a Meibomian (oil) gland.
chalazion
A chalazion is like what elsewhere on the body?
Sebaceous cyst
Is the chalazion painful?
no
The chalazion obstructs what kind of gland?
meibomian
The loss of the orbicularis muscle tone with aging causing the lower lid to turn out.
ectropion
Ectropion interferes with what?
Proper tear drainage
Ectropion may result in what?
C.N. 7 palsy
Ectropion is loss of which muscle tone?
Orbicularis oris
An inversion of the lower lid due to scar tissue formation on the inner surface of the lid.
Entropion
What results from entropion?
Eyelashes then irritate the conjunctiva and cornea
Entropion is due to what?
Scar tissue formation
Inflammation of the tear sac secondary to chronic obstruction or narrowing of the nasolacrimal duct.
dacryocystitis
Dacryocystitis usually occurs in which population?
infants
What is the narrowing of the nasolacrimal duct called?
dacryostenosis
What visual signs happen with dacryocystitis?
Painful swollen nodule develops between the nose and eye with accompanying tearing and discharge.
Is dacryocystitis painful?
yes
Dacryocystitis is secondary to what?
Chronic obstruction or narrowing of the nasolacrimal duct. (dacryostenosis)
Dacryocystitis is inflammation of what?
The tear sac
