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Table 6 The opacity and permeability assessments of the cornea

From: Efficacy and local irritation evaluation of Eriobotrya japonica leaf ethanol extract

In vitro irritancy score (IVIS)

UN GHS

≤ 3

No Category

>  3; ≤ 55

No prediction can be made

>  55

Category 1

  1. IVIS = mean opacity value + (15 × mean permeability value)
  2. UN GHS United nations globally harmonized system of classification and labelling of chemicals