ArticleMolecular vision2026
Nanobacterial detection in aqueous humor and its effect on postphacoemulsification visual acuity among highly myopic patients.
Article in Molecular vision, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
This study aimed to investigate factors affecting visual outcomes after phacoemulsification in highly myopic patients with cataracts, based on the detection of nanobacteria (NB) in aqueous humor. Fifty highly myopic patients with cataracts who underwent phacoemulsification surgery at The First People's Hospital of Ziyang from December 2022 to June 2023 were enrolled. Aqueous humor samples were gathered from patients before surgery, and NB were isolated and cultured from the aqueous humor. They were identified using scanning electron microscopy and transmission electron microscopy. The calcium-phosphorus ratios in NB cultures (NB group) and nanohydroxyapatite (nHA) cultures (nHA group) were determined by energy-dispersive X-ray spectroscopy. Cell inhibition was compared using a CCK-8 assay. The expressions of calcification-related proteins, bone morphogenetic protein 2, osteopontin, apoptosis-related proteins, B-cell lymphoma 2 (Bcl-2), and Bcl-2-associated X protein in cells were examined by western blot. Based on the best-corrected visual acuity (VA) 3 months after surgery, patients were classified into a normal vision (NV) group (best-corrected VA ≥0.3) and an abnormal vision (AV) group (best-corrected VA <0.3). The factors influencing postoperative VA and efficacy were analyzed. Results revealed that the characteristics of the aqueous humor cultures were consistent with the features of NB described in the literature, with NB measuring approximately 90 to 340 nm in transmission electron microscopy. Energy-dispersive X-ray results indicated no remarkable difference in calcium-phosphorus ratios between the NB and nHA groups (
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