Sistema eletrônico para validação da aferição e calibração dos tonômetros tipo Goldmann

• Ano de defesa: 2016
• Autor(a) principal: Oliveira, Amaro Aparecido de [UNIFESP]
• Tipo de documento: Dissertação
• Tipo de acesso: Acesso aberto
• Idioma: por
• Instituição de defesa: Universidade Federal de São Paulo (UNIFESP)
• Palavras-chave em Português: Glaucoma; Intraocular pressure; Tonometry; Calibration; Pressão; Tonometria; Calibração
• Link de acesso: https://sucupira.capes.gov.br/sucupira/public/consultas/coleta/trabalhoConclusao/viewTrabalhoConclusao.jsf?popup=true&id_trabalho=4108147; https://repositorio.unifesp.br/handle/11600/46886

The purpose of this study was to develop a digital device for the assessment of accuracy of the Goldmann tonometer for calibration purposes. The current method uses a graded metal rod attached to the tonometer where a correlation between its displacement and the pressure exerted by the human eye is verified. The physical variable (pressure) was measured by an indirect non-invasive sensor. Analog signals received by the equipment were converted into digital information and shown in an alphanumeric display. This study showed the potential development of a digital device for calibration of Goldmann tonometers. The results may also serve as basis for creation of new policies for measurement control and calibration of tonometers in Brazil.