BACKGROUND The aim of this study was to assess the clinical course and distinctive features of different white dot syndromes (WDS) in patients attending the Ophthalmology Department, Medical University of Warsaw in the years 1995-2015. MATERIAL AND METHODS Sixty-two (62) patients (43 females and 19 males), aged 18 to 77 years, referred with a WDS were included in this prospective study, with observation period ranging from 5 months to 16 years. All patients underwent a complete ophthalmological examination and multimodal imaging studies. RESULTS In this cohort of 62 patients, the following WDS entities were identified: multifocal choroiditis with panuveitis (MFCPU), multifocal choroiditis (MFC), punctate inner choroidopathy (PIC), birdshot, acute posterior multifocal placoid pigment epitheliopathy (APMPPE), subretinal fibrosis and uveitis, multiple evanescent white dot syndrome (MEWDS), serpiginous choroiditis, and single cases of acute annular outer retinopathy (AAOR). CONCLUSIONS The study was performed at a Polish referral center and may to some extent reflect the varied geographical distribution of white dot syndromes, as none of the subjects was found to suffer from acute zonal occult outer retinopathy (AZOOR), acute macular neuroretinopathy (AMN), or diffuse unilateral subacute neuroretinitis (DUSN). Long-term follow-up is warranted by the evolution of lesions in the eye fundus, while management depends on correct diagnosis of WDS. When the posterior pole is involved in some cases of the WDS an immunosuppressive treatment, the use of the PDT or anti-VEGF injections were necessary.
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http://dx.doi.org/10.12659/msm.901744 | DOI Listing |
Micromachines (Basel)
December 2024
Department of Semiconductor Engineering, Gachon University, 1342 Seongnam-Daero, Soojung-gu, Seongnam 13120, Republic of Korea.
White organic light-emitting diodes (OLEDs) represent a significant technology in the display industry for the achievement of full color. However, sophisticated technologies are required for white light emission. In this paper, we developed a simple white light-emitting display device using a quantum-dot (QD) film and a greenish-blue OLED.
View Article and Find Full Text PDFCureus
November 2024
Department of Ophthalmology, Unidade Local de Saúde (ULS) Santa Maria, Lisbon, PRT.
Benign yellow dot maculopathy (BYDM) is a recently described rare, asymptomatic, early onset, and non-progressive macular phenotype. It is characterized by the presence of multiple white-yellow dots encircling the fovea, which are hyperautofluorescent on fundus autofluorescence. Here, we expand on the few reports available by presenting a case series of five Portuguese patients with clinical BYDM phenotype and congruent multimodal imaging, including the second reported unilateral case.
View Article and Find Full Text PDFAustralas J Dermatol
December 2024
Department of Medical Area, Institute of Dermatology, University of Udine, Udine, Italy.
Introduction: Ultraviolet-based dermoscopy may support the recognition of scabies, yet neither accuracy analyses nor data on skin of colour are available. The aim of this multicentric observational retrospective was to investigate the diagnostic accuracy of polarised and ultraviolet-induced fluorescence (UVF) dermoscopic examination in both fair and dark skin, also assessing possible differences according to the skin tone.
Methods: Consecutive patients with a diagnosis of scabies were eligible.
ACS Appl Mater Interfaces
December 2024
School of Chemistry and Molecular Engineering, Nanjing Tech University, Nanjing 211816, P. R. China.
Developing hybrid fluorescence (FL)/room-temperature phosphorescent (RTP) materials in dry-state, aqueous, and organic solvents holds paramount importance in broadening their applications. However, it is extremely challenging due to dissolved oxygen and solvent-assisted relaxation causing RTP quenching in an aqueous environment and great dependence on SiO-based materials. Herein, an efficient endogenetic carbon dot (CD) strategy within melamine-formaldehyde (MF) microspheres to activate RTP of CDs has been proposed through the pyrolysis of isophthalic acid (IPA) molecules and branched-chain intra-microspheres.
View Article and Find Full Text PDFJ Phys Chem Lett
December 2024
Key Laboratory of Colloid and Interface Chemistry of Ministry of Education and School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China.
Carbon dots (CDs) with circularly polarized afterglow (CPA) materials have drawn increasing attention as cutting-edge research in the field of chiral luminescence owing to their promising applications in various fields. However, due to the weak optical activity of chiral CDs and the limited afterglow color of phosphorescent CDs, it is still a formidable challenge to construct multicolor CD-based CPA materials with a high luminescence dissymmetry factor (). Herein, positively charged aggregation-induced emission (AIE) CDs were prepared using dithiosalicylic acid and ionic liquid as precursors.
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