Morphology of optic disc through heidelberg retina tomograph in retinal vein occlusions alone or in combination with primary open angle glaucoma
| Autor: | R. Penna, Beatrice Brogliatti, A. G. Actis, Teresa Rolle, Laura Dallorto, L. Belli |
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| Jazyk: | angličtina |
| Rok vydání: | 2013 |
| Předmět: |
medicine.medical_specialty
Retinal Vein genetic structures Open angle glaucoma business.industry Glaucoma Optic cup (anatomical) medicine.disease Article eye diseases Ophthalmology glaucoma medicine.anatomical_structure Retinal vein occlusions Occlusion retinal vein occlusion (RVO) medicine Optic nerve sense organs business HRT Optic disc |
| Zdroj: | The Open Ophthalmology Journal |
| Popis: | Purpose: To evaluate the morphology of optic discs in eyes suffering from retinal vein occlusion (RVO) alone or in combination with primary open-angle glaucoma (POAG). Methods: Prospective, observational study. 48 consecutive patients were enrolled, 30 with unilateral RVO diagnosis, 18 with unilateral retinal vein occlusion (RVO) associated with POAG. We divided RVOs on the basis of occlusion site: arterio-venous crossing (AV-RVO), optic cup (OC-RVO), optic nerve (ON-RVO) with head nerve swelling (ONHS-RVO) or without it (NONHS-RVO). A control group of 25 patients who were sex and age matched was selected. Results: Comparing the fellow eyes of the patients with RVO and control healthy eyes, no differences emerged in cup/disc ratio but they came out for the HRT values in Rim Area, cup shape measure and height variation contour (p The most frequent occlusion site was at the level of an arteriovenous crossing in patients not suffering from POAG (36.7%) and at the level of the optic cup in patients with RVO and POAG (50%). In the RVO group without POAG, the OC-RVO subgroup has shown an higher cup area (0.366±0.094) and cup/disc area ratio (0.184±0.063), a lower rim volume (0.374±0.021) and a different cup shape measure (-0.221±0.066) (p Conclusions: Classification of the analyzed parameters on the basis of the occlusion site provides a basis for which clinical decisions and research on causal factors in future studies can be based on. |
| Databáze: | OpenAIRE |
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