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Review Article

Riboflavin-UVA collagen cross-linking for the treatment of acanthamoeba keratitis

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Abstract: In this review, recent studies regarding riboflavin-ultraviolet A (UVA) collagen cross-linking for the treatment of acanthamoeba keratitis (AK) were reviewed. English written studies about acanthamoeba, keratitis, riboflavin and collagen cross-linking were retrieved from PubMed search engine (www.ncbi.nlm.nih.gov/pubmed). Although there were significant numbers of cases reporting the effectiveness of riboflavin-UVA collagen cross-linking in AK, experimental studies (in vivo and in vitro) failed to verify amoebicidal or cysticidal effect of riboflavin-UVA collagen cross-linking. In conclusion, the efficacy of riboflavin-UVA collagen cross-linking for the treatment of AK is still debatable. It is necessary to conduct a prospective case-control study for clear guidance for clinicians.

Review Article

Multifocal and extended depth of focus intraocular lenses

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Abstract: Advances in intraocular lens (IOL) design have rendered cataract surgery a refractive procedure. Newer IOL types include bifocal, trifocal and extended depth of focus (EDOF) IOLs. Their basic difference nestles in the number of focal points that each lens provides, which in turn leads to different visual outcomes. Familiarity of surgeons with the various characteristics of each lens is of utmost importance for accurate IOL selection to match each patient’s needs. In this review, we aim to compare the clinical outcomes after implantation of multifocal and EDOF IOLs in terms of distance, intermediate and near vision, contrast sensitivity, and reading performance. Finally, we discuss the defocus curve and the optical and photic phenomena associated with each type of IOL.

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    Executive director:Ministry of Education of the People's Republic of China
    Host: Sun Yat-sen University
    Undertake: Zhongshan Ophthalmic Center, Sun Yat-sen University
    Editors-in-Chief: 林浩添
    Executive director:Ministry of Education of the People's Republic of China
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    Executive director:Ministry of Education of the People's Republic of China
    Host: Sun Yat-sen University
    Undertake: Zhongshan Ophthalmic Center, Sun Yat-sen University
    Editors-in-Chief: 林浩添
    Executive director:Ministry of Education of the People's Republic of China
    Host: Sun Yat-sen University
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