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Table 1 Ocular signs suggestive of endogenous endophthalmitis [13, 42]

From: Endogenous endophthalmitis: diagnosis, management, and prognosis

Positive Possible Probable
Uveal tissue abscesses Hypopyon ≤ 1.5 mm Conjunctival injection/chemosis
Hypopyon ≥ 1.5 mm Vitreous haze but no visible exudates Anterior chamber inflammation but no hypopyon
Vitreous exudates Non-necrotizing, focal, discrete chorioretinal lesions Absence of vitreous haze
Visible arteriolar septic emboli Optic neuritis Lid edema
Necrotizing retinitis Intra-retinal hemorrhages Fever
Perivascular hemorrhages with inflammatory infiltrate Neonate with white reflexa  
Panophthalmitis Scleritis  
Corneal infiltrates or ulcer   
  1. Varying combination of symptoms may be present
  2. aIn a neonate presenting with white reflex, endogenous endophthalmitis can be considered in the differential diagnosis