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Table 1 Grading of the clinical inflammatory features of alkali chemical injury on cornea [4, 18].

From: Anti-inflammatory and antioxidant effects of Tualang honey in alkali injury on the eyes of rabbits: Experimental animal study

Clinical

features

Grade

 

normal

mild

moderate

severe

Conjunctival

hyperemia

absent

mild or sectoral engorgement of the conjunctival vessels

diffuse engorgement of the conjunctival vessels

significant engorgement of conjunctival vessels

Corneal edema

absent

present with visible iris details

present without iris details

present without

visible pupil

Corneal epithelial defect

absent

defect involving less than one quarter of the corneal surface

defect involving one quarter to one half of the corneal surface

defect involving more than one half of the corneal surface