Table 2: Frequency of sensitization to the selected allergens used in ophtalmologic products.
| Allergen | N | % | R/NR | Source | ||
|---|---|---|---|---|---|---|
| Cosm. | Opht. | Other | ||||
| Thimerosal | 182 | 9.7 | 1/182 | 0 | 1 | 181 |
| Neomycin | 48 | 2.6 | 20/48 | 0 | 20 | 28 |
| Benzalkonium chloride | 25 | 1.3 | 3/25 | 15 | 3 | 7 |
| Parabens | 11 | 0.6 | 0/11 | 8 | 0 | 3 |
Legend: N = Number of Positive Reactions to a Given Allergen; % = Frequency of Contact Sensitization in %; R = Relevant Reaction; NR = Non-Relevant Reaction; Cosm. = Cosmetic Product; Ppht. = Ophtalmologic Product.