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- Title
Estudo comparativo entre as medidas da pressão ocular dos tonômetros de rebote, pneumático e de Goldmann.
- Authors
Adachi Araujo, Hilkias; Vedovelli de Araujo, Joao Pedro; Beltrão de Medeiros, Felipe; Bernardo Ferreira Rebelo, Paulo; Gonçalves de Medeiros, Hilton Arcoverde
- Abstract
Objective: To compare the result between two types of tonometres, using as gold standard the aplanation tonometry, relating to the corneal thickness and its validations as instruments of population screening. Methods: A comparative cross-sectional study was carried out with 400 eyes from the ophthalmology clinic of Adachi Ophthalmology, in Macapá (Amapá), between the mean values of ocular pressure measured by the Icare® tonometro, the Pneumatic Tonometer and the Goldmann Flattening Tonometro as a function of corneal thickness. They were divided according to ECC in 3 groups. Group 1: 260 eyes with ECC <530μ; group 2: 217 eyes with ECC between 530μ and 590μ; and, group 3: 157 eyes with ECC> 590μ. Results: The mean ECC obtained in pachymetry was 557μ, ranging from 651μ to 477μ (standard deviation of 32.9). The mean IOP obtained by PT was 19.4 mmHg (with a standard deviation of 2.32); by Icare® was 16.7mmHg (standard deviation of 2.12); and in the TAG it was 15.5 mmHg (standard deviation of 2.02). For pachymetry less than 530μ and greater than 590μ, PIOm did not differ significantly between TAG and Icare® (p = 0.232), and a statistically significant difference was obtained for corneas with ECC between 530 and 590 μ. The IOP obtained by the PT was significantly higher than the mean ocular pressure of the TAG and Icare® (p <0.001 for both) in all groups. Conclusions: All three methods can be used in screening campaigns, but Icare® proved to be more reliable than TP, with values obtained statistically more reliable when compared to TP. There is sufficient agreement between Icare and TAG to recommend its use.
- Publication
Revista Brasileira de Oftalmologia, 2019, Vol 78, Issue 3, p162
- ISSN
0034-7280
- Publication type
Article
- DOI
10.5935/0034-7280.20190120