眼敏感（學名﹕過敏性結膜炎），是由致敏原和刺激物引起（例如﹕花粉、塵埃、動物皮屑、霉菌等）。當眼結膜接觸致敏原時，便會產生過敏反應。眼敏感與鼻敏感息息相關，鼻敏感患者通常會伴隨眼睛過敏的症狀，嚴重影響日常生活。

參考資料：

1. National Library of Medicine. Relationship between allergic rhinitis and allergic conjunctivitis (allergic rhinoconjunctivitis) – review. Available at: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9022158/
2. Mount Sinai. Allergic conjunctivitis. Available at: https://www.mountsinai.org/health-library/diseases-conditions/allergic-conjunctivitis
3. Johns Hopkins Medicine. Allergic Conjunctivitis. Available at: https://www.hopkinsmedicine.org/health/conditions-and-diseases/allergic-conjunctivitis
4. Healthline. Allergic Conjunctivitis. Available at: https://www.healthline.com/health/allergic-conjunctivitis
5. Australasian Society. Available at: https://www.allergy.org.au/patients/allergic-rhinitis-hay-fever-and-sinusitis/allergic-conjunctivitis
6. Zyrtec Hong Kong prescribing information, HK082018 (NCDS05/eMC20180628)