Resumo

HERNANDEZ, Amanda Cristina Guerrero; SAMUDIO, Margarita; SCALAMOGNA, Miguel  e  CORREA, Fatima. Size of the optic nerve detected by optic coherence tomography in healthy patients in an ophthalmological center of Paraguay. Mem. Inst. Investig. Cienc. Salud [online]. 2016, vol.14, n.3, pp.52-61. ISSN 1812-9528.  https://doi.org/10.18004/mem.iics/1812-9528/2016.014(03)52-061.

The objective of this study was to determine the size of the optic nerve by optical coherence tomography (TCO) in a population older than 40 years old who attended routine ophthalmological control from November 2015 to February 2016 and did not have known records of glaucoma or systemic. Fifty two patients were included in the study who atended the external consulting room of ophthalmology of the Foundation Vision for a routine control. A full medical history was completed, where the systemic and ocular pathologic records were investigated. Visual acuity test was performed using Snellen chart in each patient separately at 6 meters from the patinet. Automatic refraction, retraction test, slit lamp biomicroscopy with emphasis in the anterior chamber depth were also performed. Patients with narrow or panda anterior chambers (using the mini 4 mirror gonioscope and high intraocular pressure were excluded. After instillation of tropicamide 0.5%/phenylephrine HCL 5% in each eye and evaluation of the posterior pole in slit lamp with 90D Superfield lens, the optic coherence tomography was made using a ZEISS Cirrus(tm) HD-TCO Model 4000 (Cirrus HD-TCO).

Palavras-chave : TCO; optic nerve head; disc size.

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