Inflammation of the conjunctiva outermost layer of the eye and inner surface of the eyelids Classification Based on cause Viral conjunctivitis adenovirus Herpetic keratoconjuctivitis ID: 908506
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Slide1
CONJUNCTIVITIS
Also known as pink eye
Slide2Inflammation of the conjunctiva (outermost layer of the eye and inner surface of the eyelids)
Slide3Classification
Based on cause
Viral conjunctivitis
– adenovirus
Herpetic
keratoconjuctivitis
is caused by HSV
Bacterial conjunctivitis
– staphylococcus
aureus
, streptococcus
pneumoniae
,
heamophilus
influenzae
,
chlamydia
trachomatis
Allergic conjunctivitis
- pollen, perfumes, cosmetics, smoke, dust
chemical conjunctivitis - acid or alkali's
Neonatal conjunctivitis
Autoimmune
Slide4Neotrombicula
autumnalis
– conjunctivitis induced by a
trombiculid
mite – reported in 2013
Slide5Based on extent of involvement
Blepharoconjunctivitis
– inflammation of conjunctiva with
blepharitis
Keratoconjunctivitis
– inflammation of conjunctiva with
keratitis
Slide6Signs and symptoms
General symptoms
Red eye – hyperemia
Swelling of conjunctiva –
chemosis
Watering –
epiphora
Pupils and visual acuity will be normal
Slide7Viral
Associated with infection of upper respiratory tract infection
Excessive watering and itching, foreign body sensation and mild photophobia
The secretions are clear and thin
Infection starts in one eye and easily spread to other
Diffuse pinkness over the conjunctiva
Slide8Allergic
Redness (due to vasodilatation of the peripheral small blood vessels)
Oedema
, itching and increased
lacrimation
If it is combined with rhinitis – condition termed as allergic
rhinoconjucntivitis
Symptoms occurs due to the release of histamine.
Slide9Bacterial
Rapid onset of redness, swelling of the eyelid
Mucopurulent
discharge – opaque,
greyish
or yellowish color
Develop in one eye and spread to other within 2 -5 days
Severe crusting of the infected eye and the surrounding skin
Scratchy eye
Slide10Chemical
Burning sensation, marked redness, sloughing, necrosis of conjunctiva
Conjunctivitis of new born – acute purulent discharge and irritation - self healing
Slide11Diagnosis
History collection
Physical examination
Culture of secretions
Conjunctival
scrapes for cytology (rarely done) – detecting
chlamydial
and fungal infections
Conjunctival
incisional
biopsy
Slide12Management
65% of cases resolves without treatment.
Slide13Viral
Does not require any specific treatment.
Antihistamines or mast cell stabilizers – help to relive symptoms
Allergic
Cool water poured over the face
Artificial tears
NSAIDS and antihistamines
Slide14Bacterial
Topical antibiotics
Fluoroquinolones
, sodium
sulfacetamide
or
trimethoprim
for 7 to 10 days
Chemical
irrigation with ringer lactate or NS