ArticleOman journal of ophthalmology
Ocular perfusion in primary angle-closure suspect and primary angle-closure eyes without prior acute angle closure.
Article in Oman journal of ophthalmology. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
1 citing paper in PubMed.
- Long-term optic nerve head microvascular impairment after acute primary angle closure: an OCTA study.Graefe's archive for clinical and experimental ophthalmology = Albrecht von Graefes Archiv fur klinische und experimentelle Ophthalmologie · 2026Article
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundAcute intraocular pressure (IOP) spike in acute primary angle closure (APAC) decreases ocular blood flow. It is not known if this is true in primary angle-closure (PAC) eyes without prior APAC who may have had subacute attacks. Hence, we aimed to assess the ocular perfusion using optical coherence tomography angiography (OCTA) characteristics in normal, PAC suspect (PACS), and PAC eyes without APAC. MATERIALS AND
methodsThis was a prospective cross-sectional study, which determined patients' (40-80 years) optic nerve peripapillary perfusion, flux, and macular vessel density (6 mm × 6 mm and 3 mm × 3 mm) in the superficial retinal layer on OCTA.
resultsWe included 135 eyes of 135 patients (45 per subgroup). The mean age was 59.7 ± 8.3 years. The mean peripapillary perfusion was 44.4% ±1.5% in normal, 44.2% ±1.7% in PACS, and 44.1% ±1.5% in PAC eyes. There was no significant difference between OCTA parameters among normal, PACS, and PAC eyes (
conclusionSimilar OCTA parameters were seen in normal, PACS, and PAC eyes without prior APAC, suggestive of absence of vascular factors in eyes without APAC in angle-closure disease. Functional impairment, despite similar structural and perfusion parameters in PAC eyes compared to PACS eyes, may be suggestive of ganglion cell dysfunction prior to loss.
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