Conjunctiva Etiology

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Conjunctiva - Etiology

Normal Bacterial Flora	Acute mucopurulent conjunctivitis	Ophthalmia neonatorum
a.Resident flora ·         Coagulase negative staphylococci(mc) ·         Micrococci ·         Haemophilus ·         Corynebacterium b.Transient flora ·         Staphylococcus aureus ·         Pneumococcus ·         Streptococcus viridans ·         Pseudomonas ·         Bacillus ·         Propionibacterium	·         Staph.aureus ·         Pneumococcus ·         Strp.pyogenes ·         N.gonorrhoeae ·         H.influenza ·         H.aegyptiacus (koch-weeks bacillus) Adult inclusion conjunctivitis ·         Chlamydia Trachomatis D-K	Common ·         Gonococcus ·         Chlam.trachomatis D-K ·         HSV Others ·         Staph.aureus ·         Pneumococcus ·         Pseudomonas ·         Serratia ·         Klebsiella Chemical ·         Silver nitrate ·         Antibiotic prophylaxis with silver nitrate

Angular conjunctivitis	Pseudomembranous conjunctivitis	Viral conjunctivitis
·         Moraxella axenfeld(m.lacunata)(mc) ·         Staph.aureus(lc) Acute membranous conjunctivitis Coryne.diphtheriae Strp.hemolyticus(lc) Trachoma Chlamydia trachomatis A,B,Ba,C	a.Bacteria ·         C.diphtheriae ·         Staphylococcus ·         Streptococcus ·         N.gonorrhoeae ·         H.influenza b.Virus ·         HSV ·         Adenovirus c.Chemical ·         Acids ·         Ammonia ·         Lime ·         Silver nitrate ·         Copper sulphate	HSV Adenovirus picornavirus(entero-70,coxsackie A24) VZV Measles paramyxo(mumps,new castle conjunctivitis) Molluscum conjunctivitis Acute Hemorrhagic Conjunctivitis Picorna virus(entero 70(mc),coxsackie A24) Adeno type II(lc)

Phlyctenular KeratoConjunctivitis	Follicular Conjunctivitis
Delayed HSR(IV) to endogenous microbial proteins Staph. proteins(mc) TB proteins M. axenfeld proteins Certain parasitic proteins	a.Acute All viral(HSV,epidemic keratoconjunctivitis,pharyngo conjunctival fever,new castle conjunctivitis) Trachoma Adult inclusion conjunctivitis b.Chronic Molluscum contagiosum Chemical fumes,cigar smokes Topical preparations(atropine,mitotics) Chronic allergic follicular conjunctivitis