Difinition : The infection of soft cellular tissue of the
orbit , behind the
orbital septum is called orbital cellulitis.
Causes :
1. Sinus problem ( e.g.
sinusitis )-- 58 to 60 per cent.
2.
Lid or face infection , 28 to 30 per cent.
3. Foreign body , 11 to 15 per cent
4. Haematogenous, 4 per cent.
5. Dental infection
6. Truma
7. Dacryocystisis
8. Dacryoadenitis
9. Endophthalmitis
Signs and symptoms :
-- unilateral
--tenderness
--warm sensation
--lid oedema
--protosis
--restrict
ocular motility
--decreased vision
--dilated pupil
--rapd ( relative afferent pupillary defect )
--ophthalmoplegia
--severe pain
--raised IOP ( intra ocular pressure )
-- it may be purulent.
Systemic symptoms malaise
--fever
--sometimes vomoting
--nauseaq
--sinusitis ( mostly common )
Management :
-- hospitalization
--
antibiotic theraphy
--systemic antibiotic
--NSAID
--broad sprectrum antibiotic eye drop
-- surgical treatment.
Investigation :
--WBC count
--Blood culture
--CT for brain.
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