Easily visible translucent areas, details 2 mild 50% to 75% 3 of iris slightly obscure Opalescent areas, no details of iris 3 Greater than 75% 4 visible, size of pupil barely discernible moderate Opaque, iris invisible 4 severe CONJUNCTIVAE Redness Rating Chemosis Rating Discharge Rating Vessels normal 0 none No swelling 0 none No discharge 0 none Vessels definitely 1 Any swelling above 1 slight Any amount different 1 slight injected above normal slight normal from normal 2 mild More diffuse, deeper 2 mod. Obvious swelling with Discharge with 2 mod. 3 mod. crimson red with partial eversion of lids moistening of lids and 3 severe 3 severe 4 severe individual vessels not adjacent hairs Swelling with lids easily discernible Discharge with Diffuse beefy red moistening of lids and Swelling with lids and considerable closed to completely area around eye IRIS Values Rating Normal 0 none Folds above normal, congestion, swelling, circumcorneal injection, iris reacts to light 1 slight No reaction to light, haemorrhage, gross destruction 2 severe Draize, J. H., Woodward, G., Calvery, H. O. (1944) Methods for the Study of Irritation and Toxicity of Substances Applied Topically to the Skin and Mucous Membranes, J. Pharmacol. Exp. Ther. 82 : 377-390. Draize J. H. (1959) Appraisal of the Safety of Chemicals in Drugs and Cosmetics. Association of Food and Drug Officials of the US, 49 : 2-56.
Easily visible translucent areas, details of iris slightly obscure 2 mild 50% to 75% 3 Opalescent areas, no details of iris visible, size of pupil barely discernible 3 moderate Greater than 75% 4 Opaque, iris invisible 4 severe CONJUNCTIVAE Redness Rating Chemosis Rating Discharge Rating Vessels normal Vessels definitely injected above normal More diffuse, deeper crimson red with individual vessels not easily discernible Diffuse beefy red 0 none 1 slight 2 mod. 3 severe No swelling Any swelling above normal Obvious swelling with partial eversion of lids Swelling with lids Swelling with lids to completely closed 0 none 1 slight 2 mild 3 mod. 4 severe No discharge Any amount different from normal Discharge with moistening of lids and adjacent hairs Discharge with moistening of lids and and considerable area around eye 0 none 1 slight 2 mod. 3 severe IRIS Values Rating Normal 0 none Folds above normal, congestion, swelling, circumcorneal injection, iris reacts to light 1 slight No reaction to light, haemorrhage, gross destruction 2 severe Draize, J. H., Woodward, G., Calvery, H. O. (1944) Methods for the Study of Irritation and Toxicity of Substances Applied Topically to the Skin and Mucous Membranes, J. Pharmacol. Exp. Ther. 82 : 377-390. Draize J. H. (1959) Appraisal of the Safety of Chemicals in Drugs and Cosmetics. Association of Food and Drug Officials of the US, 49 : 2-56.
NA883FR.docx