Clinical and Histologic Comparison of Conjunctival Changes Induced by Antiglaucoma Beta Blockers, Carbonic Anhydrase Inhibitors, Alfa Agonists and Fixed Combinations with and without Preservatives

Heloisa Helena Russ^1*, Amalia Turner-Gianicco², Fabiano Montiani-Ferreira³ and Leandro Lima²

¹Federal University of Parana. Glaucoma Service. Centro da Visão/Hospital de Clinicas da Universidade Federal do Paraná, Brazil

²Veterinary Ophthalmolgy, Federal University of Parana, Brazil

³Veterinary Ophthalmolgy, Graduate School of Veterinary Sciences, SCA, Federal University of Parana, Brazil

^*Corresponding Author: Heloisa Helena Russ, Centro da Visão/ Hospital de Clinicas da Universidade Federal do Paraná, Rua Paster, 26- Batel. Curitiba, Paraná, CEP 80250080, Brazil, Tel: +55413523-0086 Email: ,