Ophthalmic research · 2013
Comparison of functional and morphological diagnostics in glaucoma patients and healthy subjects.
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Klamann M K J, Grünert A, Maier A-K B, Gonnermann J, Joussen A M, Huber K K
Аннотация
PURPOSE: To evaluate the diagnostic value of microperimetry (MP), blue-on-yellow perimetry (B/YP), confocal scanning laser ophthalmoscopy (Heidelberg Retina Tomograph, HRT, III) and optical coherence tomography (OCT) in discriminating eyes with early glaucoma from healthy subjects.
MATERIAL AND METHODS: Prospective examination of 22 eyes of subjects with early primary open-angle glaucoma and 24 eyes of healthy control subjects. After a complete ophthalmological examination, B/YP, MP, OCT and HRT III were determined. Morphological and functional parameters were analysed.
RESULTS: Mean sensitivity threshold values obtained with B/YP and MP did not show significant differences between glaucoma patients and the control group (p = 0.321 and p = 0.281). Retinal nerve fibre layer (RNFL) thickness was significantly decreased in patients with glaucoma with both HRT III and OCT (p = 0.018 and p < 0.001).
CONCLUSIONS: While B/YP and MP had no ability to discriminate between subjects with early glaucoma and healthy subjects, RNFL thickness measured with HRT III and OCT showed a significant difference. In early primary open-angle glaucoma, morphological changes like RNFL thickness seem to occur prior to functional defects in the visual field.
MATERIAL AND METHODS: Prospective examination of 22 eyes of subjects with early primary open-angle glaucoma and 24 eyes of healthy control subjects. After a complete ophthalmological examination, B/YP, MP, OCT and HRT III were determined. Morphological and functional parameters were analysed.
RESULTS: Mean sensitivity threshold values obtained with B/YP and MP did not show significant differences between glaucoma patients and the control group (p = 0.321 and p = 0.281). Retinal nerve fibre layer (RNFL) thickness was significantly decreased in patients with glaucoma with both HRT III and OCT (p = 0.018 and p < 0.001).
CONCLUSIONS: While B/YP and MP had no ability to discriminate between subjects with early glaucoma and healthy subjects, RNFL thickness measured with HRT III and OCT showed a significant difference. In early primary open-angle glaucoma, morphological changes like RNFL thickness seem to occur prior to functional defects in the visual field.