Purpose: To evaluate the use of optical coherence tomography in differentiating between melanocytoma and choroidal melanoma.
Methods: Case reports. Three consecutive patients with melanocytoma were scanned using optical coherence tomography.
Results: Optical coherence tomography showed lesions with a high reflectance signal anteriorly and optical shadowing behind, corresponding to the melanocytomas. The high signal was continuous with the retinal nerve fiber layer, consistent with known growth patterns of melanocytoma.
Conclusion: Optical coherence tomography may be useful in differentiating melanocytoma from choroidal melanocytic lesions.
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http://dx.doi.org/10.1016/s0002-9394(00)00629-2 | DOI Listing |
Acta Ophthalmol
January 2025
Neuropsychiatric Epidemiology Unit, Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden.
Purpose: To explore the potential correlation between subjective and measured visual function, as well as to analyse the influence of eye disease, socioeconomic factors and emotional dimensions.
Methods: Semi-structured interviews, physical examinations and functional tests (n = 1203). Demographics covered sex, marital status, education, household economy, smoking and alcohol.
Cardiovasc Interv Ther
January 2025
Department of Cardiovascular Medicine, Nishinomiya Watanabe Cardiovascular Cerebral Center, Nishinomiya, Japan.
In this updated expert consensus document, the methods for the quantitative measurement and morphologic assessment of optical coherence tomography (OCT) / optical frequency domain imaging images (OFDI) are briefly summarized. The focus is on the clinical application and the clinical evidence of OCT / OFDI to guide percutaneous coronary interventions.
View Article and Find Full Text PDFInvest Ophthalmol Vis Sci
January 2025
School of Graduate, Dalian Medical University, Dalian City, China.
Purpose: To investigate the effect of Ca2+/calmodulin-dependent protein kinase II (CAMKII) δ subtypes (CAMK2D) on sodium iodate (NaIO3)-induced retinal degeneration in mice.
Methods: Bioinformatics analysis and Western blot experiments were used to screen the significantly differentially expressed genes in age-related macular degeneration (AMD) disease. CAMK2D knockdown and overexpression models were constructed by lentivirus (LV) infection of adult retinal pigment epithelial cell line-19 (ARPE-19) cells in vitro.
J Opt Soc Am A Opt Image Sci Vis
August 2024
In this paper, a new theoretical model of a partially coherent Laguerre-Gaussian (LG) beam carrying multiple off-axis vortex phases was established. The evolution properties of the focused intensity of the beam after passing through a thin lens were theoretically studied, and then the modulation effect of multiple off-axis vortex phases on the beam with multiring structured intensity was explored. The results indicate that the multiple off-axis vortex phases can reconstruct the multiring structured intensity within the LG beam, thus generating a structured intensity with multilobe and multiring patterns.
View Article and Find Full Text PDFJ Dent Sci
January 2025
School of Dentistry, National Yang Ming Chiao Tung University, Taipei, Taiwan.
Background/purpose: Identifying crestal bone level (CBL) on the buccal and lingual aspects poses challenges in conventional dental radiographs. Given that optical coherence tomography (OCT) has the capability to non-invasively provide in-depth information about the periodontium, this in vitro study aimed to assess whether OCT can effectively identify periodontal landmarks and measure CBL in the presence of gingiva.
Materials And Methods: An in-house handheld scanning probe connected to a 1310-nm swept-source OCT (SS-OCT) system, along with self-developed algorithms were employed to measure the CBL in dental models with artificial gingiva.
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