Vitamins: stop taking the pills
This article was corrected on 7 June 2013. During editing, a line in the fifth from last paragraph, beginning 'Another example is St John's wort…' was accidentally transposed, leading to the suggestion that serotonin was a medicine rather than a brain chemical.Alternative medicineHealth &wellbeingHealthCancerCancerMedical researchPharmaceuticals industryDepressionguardian.co.uk © 2013 Guardian News and Media Limited or its affiliated companies. All rights reserved. | Use of this content is subject to our Terms &Conditions | More Feeds
Abstract: Following identification of limbal stem cells, efforts have been devoted to restore and/or replace these essential progenitors of the corneal epithelium. Limbal stem cell deficiency, commonly a consequence of ocular chemical injury, results in clinically compromised vision consequent to corneal conjunctivalization. The insight of Kim and Tseng provided experimental proof of the concept that even in the presence of total limbal stem cell deficiency, amnion membrane overlay grafts can promote limbal recovery as a means of ocular surface reconstruction.
No abstract available
Conclusions: In this study, DSEK had a success rate of ∼60% at 5 years. Increased IOP post-DSEK is a significant risk factor for graft failure. Graft survival is not affected by the clinical variant of ICE syndrome.
Conclusions: These results support previous data reporting Bowman layer transplantation as a useful strategy in the treatment of advanced keratoconus and suggest greater attention may be focused on central or paracentral corneal changes.
Purpose: The purpose of this article was to study the clinical, optical, and morphological correlates of visual function in patients with Fuchs endothelial corneal dystrophy (FECD). Methods: The case records were analyzed for patients diagnosed with FECD between September 2019 and March 2020. The best-corrected visual acuity (BCVA) was recorded as decimal visual acuity and converted to the logarithm of the minimum angle of resolution units. Contrast sensitivity was measured with the Pelli–Robson contrast sensitivity test. Corneal alterations, including central corneal thickness, depression of the posterior...
Purpose: The aim of this study was to report on the feasibility of setting up a system of corneal transplants at rural outreach centers and report the outcomes of the first 111 cases. Methods: Retrospective analysis of the outcomes of corneal transplantation performed on patients with optical indications between March 2016 and September 2019 at 4 secondary (rural) centers. The centers are a part of a network in the pyramidal model developed by L V Prasad Eye Institute. The graft clarity and best-corrected visual acuity (BCVA) at 1-year follow-up were analyzed. Results: Of the 111 patients, 34.23% underwen...
Conclusions: In this study, postoperative SARS-CoV-2 infection was similar for individuals undergoing corneal transplantation or cataract surgery. Further research is required to evaluate the transmission of SARS-CoV-2 through corneal tissue.
Conclusions: The overall prevalence of SARS-CoV-2 was 1% (2% for conjunctival and 0% for corneal samples, P value = 0.5) in the donors who were found suitable for cornea recovery and transplantation. The findings of exceptionally low positive rates in our samples validate the criticality of history-based donor screening and do not support the necessity of postmortem PCR testing as a criterion for procurement and subsequent use for corneal transplantation.
Conclusions: The novel SARS-CoV-2 vaccine upregulates the immune system to produce an adaptive immune response. The SARS-CoV-2 vaccine may potentially be associated with increased risk of rejection in those with ocular surface transplants.
Conclusions: To the best of our knowledge, this case of full-thickness graft rejection after the Moderna SARS-CoV-2 mRNA vaccination is the first to be reported worldwide. The temporal relationship between vaccination and subsequent rejection is highly suggestive of causation due to the short interval (3 days) between vaccination and rejection and the lack of other inciting factors in an otherwise healthy graft. Patients with corneal transplants who plan to take the COVID-19 vaccinations should be counseled on symptoms and closely monitored, and an individualized plan should be made in discussion with the ophthalmologist.
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