Comparison between automatic refraction with and without cycloplegia in Brazilian children and youth of school age

• Grant number: 11/21773-2
• Support Opportunities: Scholarships in Brazil - Scientific Initiation
• Start date: May 01, 2012
• End date: April 30, 2013
• Field of knowledge: Health Sciences - Medicine
• Principal Investigator: Rodrigo Pessoa Cavalcanti Lira
• Grantee: Gustavo Lima Do Valle Astur
• Host Institution: Faculdade de Ciências Médicas (FCM). Universidade Estadual de Campinas (UNICAMP). Campinas , SP, Brazil

Abstract

Cycloplegia is paralysis of the eye ciliary muscle, resulting in the loss of visual accommodation. It can be caused by cycloplegic drugs such as Cyclopentolate (1%) and Tropicamide (1%). These two most used drugs had already been compared by several studies, including subjective and objectives analysis. Cyclopentolate (1%) has been considered the best accommodation inhibitor and a recent study showed that there is no difference in refractions' measures between both cycloplegic agents. The aim of this project is to compare the refraction measurement of children with and without cycloplegia. Will be included in this project are Brazilian children and youth of school age, divided into four groups: 5-6 years (1º year of primary school); 9-10 years (5º year of primary school), 13-14 years (9º year of primary school) e 17-18 years (3º year of high school). Will be analyzed approximately 1000 children of Campinas public schools using tests for visual acuity and automated refraction. The null hypothesis of this study says that for population triage, the automated refraction test without cycloplegia is not worse than the same test performed in patients with cycloplegia. The children with refractive errors will receive eyeglasses prescriptions and/or all the orientation needed. This project was approved by the Faculdade de Ciências Médicas (FCM - UNICAMP) Ethics Committee. (AU)

Scientific publications

(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)

CAVALCANTI LIRA, RODRIGO PESSOA; LEITE ARLETA, CARLOS EDUARDO; MOREIRA PASSOS, THAIS HELENA; MAZIERO, DIANA; DO VALLE ASTUR, GUSTAVO LIMA; DO ESPIRITO SANTO, ITALO FERNANDES; BERTOLANI, ANA CLAUDIA; POZZI, LUIS FERNANDO; DE CASTRO, ROSANE SILVESTRE; BANDEIRA FERRAZ, ALVARO ANTONIO. Distribution of Ocular Component Measures and Refraction in Brazilian School Children. OPHTHALMIC EPIDEMIOLOGY, v. 24, n. 1, p. 29-35, FEB 2017. (11/19835-0, 11/09514-1, 11/21773-2)

RODRIGO PESSOA CAVALCANTI LIRA; ITALO FERNANDES DO ESPÍRITO SANTO; GUSTAVO LIMA DO VALLE ASTUR; DIANA MAZIERO; THAIS HELENA MOREIRA PASSOS; CARLOS EDUARDO LEITE ARIETA. Refractive error in school children in Campinas, Brazil. Arquivos Brasileiros de Oftalmologia, v. 77, n. 3, p. 203-204, Jun. 2014. (11/21773-2, 11/09514-1, 11/19835-0)