Conjunctiva Flashcards
What are the 3 that make up the conjunctiva?
Palpebral, Forniceal and Bulbar
What nerve supplies the conjunctiva?
Optic Nerve main supplier
Inferior conjunctiva - Infraorbital nerve
Limbus - Long ciliary nerve + Nasocilllary nerve brance
What arteries supply the bulbar conjunctiva
Anterior + Posterior conjunctival arteries
A - Ant. ciliary artery
P - Arterial arcades of eyelid
What arteries supply the palpebral and forneceal part of the conjunctiva?
Peripheral and Marginal arterial arcades of eyelids
Which lymph nodes drain the conjunctiva?
Submandibular (Medial)
Periauricular (lateral)
What area does the conjunctiva cover?
Anterior globe
Terminates at the coreneoscleral limbus
3 main pathogens for acute bacterial conjunctivitis?
S. Pneumonia, S. Aureus, Haemophilus influenzae
Main clinical features with Acute bacterial conjunctivitis
Unilateral initially then bilateral (later on) Conjunctival injection (Redness) Sticky eye upon wakening Purulent discharge, grittiness NO LYMPHADENOPATHY
Mainly self limiting if severe use - chloramphenicol / fusidic acid.