inward turning of the lower lid

cause: age, cicatricial, congenital

sagging & eversion of the lower lid usually bilat. in older pt.

cause: aging or VII nerve palsy

types: viral, bacterial, allergic

causse: mattering on the lid margins, in AM

contagious

allergic = airborne allergens

nonallergin= fb dust smoe fumes chemical

S&S of

conjunctivitis

allergic= pruritus, watery discharge, chemosis,papillary hyperplasia

infectious= fb sensation, photophobia, purulent discharge (blurred vision)

sever eye pain= scleritis

highly contagious, acute

caued by adenovirus or enteroviruses

sx= irritation, lacrimation, photophobia, mucoid or purulent discharge

infection is self-limiting.

causes= s.aureus, n,gonorrhoeae, s.pneumoniae, c. trachomatis, hemophilis. sp.

sx= acute hyperemia, lid edema, lacrimation, discharge, irritation

causes= airborne allergens

sx= pruritus, discharge,lacrimation,conjunctival hyperemia

allergic conjunctivitis

A type I hypersensitivity rxn to a specfic antigen

seasonal allergic= hay fever conjunctivitis is due to airborne pollen of trees, grass & weeds

perennial allergic