Disorders of the Conjunctiva & Sclera Flashcards
What is the bulbar conjunctiva?
- conjunctiva on surface of eye
What is the palpebral conjunctiva?
- conjunctiva on surface of eyelid
What is the medical terminology for ‘pink eye’?
- viral conjunctivitis
viral conjunctivitis (symptoms)
- acute onset
- redness
- watery d/c
- soreness
- general ocular discomfort
viral conjunctivitis (signs)
- diffuse injection of conjunctiva
- erythema and edema of lids
- follicles on palpebral conjunctiva
- pre-auricular lymphadenopathy
viral conjunctivitis (etiology)
- adenovirus
viral conjunctivitis (tx)
- self-limiting
- cold compress
- pt education: HIGHLY CONTAGIOUS
How are bacterial and viral conjunctivitis ddx’d?
- bacterial has pus, viral has watery discharge
- viral will have pre-auricular adenopathy, viral will not
bacterial conjunctivitis (symptoms)
- red
- irritation
- adhesion of lids, worse in am
bacterial conjunctivitis (signs)
- mucopurulent exudate in fornix and lid margins
bacterial conjunctivitis (etiology)
- bacteria (i.e. staph, haemophilus, strep)
bacterial conjunctivitis (workup)
- gram stain
- culture if ? Neisseria
bacterial conjunctivitis (tx)
- broad spec abx drops
Define keratoconjunctivitis sicca
- no tear production or excessive production of poor quality tears
keratoconjunctivitis sicca (symptoms)
- FB sensation
- dry eye
- irritation
- symptoms worsen as day progresses
keratoconjunctivitis sicca (signs)
- mild erythema
- bilateral
- excessive mucus
- punctate staining of cornea w/ fluorescein dye
keratoconjunctivitis sicca (risk factors)
- contact wearers
- collagen diseases
- sarcoidosis
- anticholinergic property drugs
keratoconjunctivitis sicca (workup)
- Schirmer test
Describe Schirmier test
- time it takes for tears to diffuse up the test paper dipped into the eye
keratoconjunctivitis sicca (tx)
- artificial tears (i.e. Restasis)
Describe pinguecula
- elevated fleshy conjunctival mass
- mostly found on medial conjunctiva
pinguecula (symptoms)
- asymptomatic
pinguecula (signs)
- yellow to light brown fleshy mass on sclera, adjacent to cornea
pinguecula (etiology)
- chronic exposure to dry windy conditions
pinguecula (tx)
- none necessary
- if any, it will be cosmetic
What is the episclera?
- fascial sheet that encases the eye
Define episcleritis
- inflammation of the episclera
What is the most common primary tumor of the eye?
- melanoma
melanoma of the eye (S&S)
- asymptomatic
- discoloration over cornea or iris
Why is a workup of suspected eye melanoma needed?
- r/o metastasis
eye melanoma tx
- resection v. enucleation
- radiation
- refer
