Detection and characterisation of visual field defects using Octopus perimetry in congenital glaucoma

To detect and characterise visual field (VF) defects using static Octopus perimetry in patients with primary congenital glaucoma (PCG) and to determine VF quality and time duration. Eighty-eight eyes of 70 patients diagnosed with PCG were included. Assessments were performed using an Octopus 900 and...

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Bibliographic Details
Published in:Archivos de la Sociedad Española de Oftalmología (English ed.) 2024-03, Vol.99 (3), p.91-97
Main Authors: Morales-Fernández, L., Martínez-de-la-Casa, J.M., Sáenz-Francés, F., Perez-García, P., Borrego-Sanz, L., García-Feijóo, J.
Format: Article
Language:English
Subjects:
Child
Congenital glaucoma
Defectos del campo visual
Glaucoma - diagnosis
Glaucoma congénito
Humans
Octopus
Perimetry
Perimetría
Scotoma - diagnosis
Scotoma - etiology
Vision Disorders
Visual field defects
Visual Field Tests - methods
Visual Fields
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Summary:To detect and characterise visual field (VF) defects using static Octopus perimetry in patients with primary congenital glaucoma (PCG) and to determine VF quality and time duration. Eighty-eight eyes of 70 patients diagnosed with PCG were included. Assessments were performed using an Octopus 900 and each eye was assessed with the tendency-oriented perimetry (G-TOP) algorithm. Quantitative VF data were collected: quality data (false positive and negative response, and time duration) and results of mean deviation (MD) and square root of loss variance (sLV). Qualitative data were collected: the presence of diffuse and localized defects, the affected hemifield and grade of defects using the Aulhorn and Karmeyer classification. Correlations between perimetric results and clinical variables were analysed. Median age was 11 (8–17) years. 65.9% (58/88) of PCG eyes showed VF defects. Diffuse defects were observed in 10/58 eyes (16.94%) (mean MD = 23.92 [SD: 2.52]) dB) and localized defects in 48/58 eyes (82.75%). The most frequent defect was spot-like/stroke-like/incipient paracentral scotoma (n = 15), nasal step (n = 8), adding arcuate defect (n = 2), half ring-shaped (n = 13) and concentric defect with a central island (n = 9). And the most frequent affected visual hemifield was inferior hemifield. Mean test duration was 2 min 12 s (SD: 21.6 s). MD and sLV values were correlated with best corrected visual acuity (BCVA), cup to disc ratio and number of antiglaucoma surgeries (all P 
ISSN:2173-5794
2173-5794
DOI:10.1016/j.oftale.2023.11.015