Efficacy of Sublingual Use of Ketorolac Tromethamine in Reducing Pain During Treatment with Laser Photocoagulation in Patients with Diabetic Retinopathy Double Blind, Randomized, Sham-Controlled Study

Luiz Guilherme Azevedo De Freitas^*, Roberta Albuquerque De Azevedo Paiva, Thais Maria Pinheiro Callou, Danielle De Albuquerque Carrera Araújo, Clovis Arcoverde De Freitas Neto, Tania Cursino De Menezes Couceiro, Theophilo José De Freitas Neto and Marcos Pereira De Ávila

^*Corresponding Author: Luiz Guilherme Azevedo De Freitas, MD, Ophthalmologist and Retina and Vitreous specialist, Hospital de Olhos Santa Luzia/ Funda'c ~ ao Santa Luzia, Road Pipeline 909, Eye Hospital Santa Luzia, PE, Brazil, Tel: 558197354140 Email: