Don't swim while wearing contact lenses, study warns

EXCLUSIVE: Acanthamoeba keratitis, a parasite found in water across the world, is picked up by lenses, researchers at the Royal Victorian Eye and Ear Hospital in Melbourne say.
Source: the Mail online | Health - Category: Consumer Health News Source Type: news

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Nick Humphreys, of Shropshire, noticed a scratch on his right eye in January 2018. By March, he had gone blind because of Acanthamoeba keratitis, a parasitic infection.
Source: the Mail online | Health - Category: Consumer Health News Source Type: news
Species of Acanthamoeba are facultative pathogens which can cause sight threatening Acanthamoeba keratitis and a rare but deadly brain infection, granulomatous amoebic encephalitis. Due to conversion of Acanthamo...
Source: Parasites and Vectors - Category: Microbiology Authors: Tags: Research Source Type: research
WARNING: GRAPHIC CONTENT Traci Lawson, 50, from Lansing, Michigan, was diagnosed with Acanthamoeba keratitis, a parasitic infection from poor contact lens hygeine.
Source: the Mail online | Health - Category: Consumer Health News Source Type: news
Acanthamoeba spp. are the causative agents of a severe keratitis occurring mainly in contact lens wearers. The genus comprises more than 24 species that are currently divided into 20 different genotypes (T1-T20) ...
Source: Parasites and Vectors - Category: Microbiology Authors: Tags: Short report Source Type: research
CONCLUSIONS: Time-dependent amoebstatic in vitro effects were demonstrated for all agents, in particular, the results of assays with povidone iodine are promising. No significant stimulation of encystation appeared; however, as cysticidal efficacy of chemicals is expected, complementary research is needed on different Acanthamoeba strains with modified agent concentrations and method application. PMID: 30586959 [PubMed - in process]
Source: Annals of Agricultural and Environmental Medicine : AAEM - Category: Environmental Health Authors: Tags: Ann Agric Environ Med Source Type: research
Acanthamoeba spp. can cause serious human infections, including Acanthamoeba keratitis, granulomatous amoebic encephalitis and cutaneous acanthamoebiasis. Cysteine biosynthesis and the L-serine metabolic pathway ...
Source: Parasites and Vectors - Category: Microbiology Authors: Tags: Research Source Type: research
We report an Acanthamoeba keratitis case associated with the use of contact lens in a 28-year-old female from Bras ília, Brazil. Samples from corneal scraping and contact lens case were used for culture establishment, PCR amplification, and partial sequencing (fragments of ~400kb) of small subunit rDNA; both culture and PCR were positive. The sequence analyses of the cornea and of isolates from the contact lens case showed similarity with the T4 genotype. To the best of our knowledge, this is the first report of T4 Acanthamoeba keratitis case from the Midwest region of Brazil.
Source: Revista da Sociedade Brasileira de Medicina Tropical - Category: Tropical Medicine Source Type: research
(Reuters Health) - UK researchers have confirmed an uptick in cases of Acanthamoeba keratitis, an eye infection that most often affects contact lens wearers.
Source: Reuters: Health - Category: Consumer Health News Tags: healthNews Source Type: news
Authors: Eroğlu F Abstract The free living amoebae cause various infections such as Acanthamoeba keratitis, granulomatous amoebic encephalitis, primer amoebic meningoencephalitis in humans and animals. The free living amoebae Acanthamoeba, Balamuthia mandriallis, Naegleria fowleria and Sappinia species that cause disease in humans have been isolated from many environmental materials until today. However, no isolation has been reported from the filters of the air conditions from the houses used for ventilation. The aim of this study was toinvestigate the existence of free living amoebae using molecular methods in t...
Source: Mikrobiyoloji Bulteni - Category: Microbiology Tags: Mikrobiyol Bul Source Type: research
Authors: Baldemir A, Karaman Ü, Yusufbeyoğlu S, Eken A, Ildız N, İlgün S, Çolak C, Kaçmaz G, Öçsoy İ, Çankaya S Abstract Pathogenic Acanthamoeba species often cause infection known as Acanthamoeba keratitis among people who use contact lenses. It is a type of infection that can result in corneal ulceration, visual loss or even blindness, if not treated. There are various therapeutic options available in the treatment of Acanthamoeba infections but they are usually tough treatments with limited efficacy. For instance, hydrogen peroxide (H2O2) is a commonly used contact ...
Source: Mikrobiyoloji Bulteni - Category: Microbiology Tags: Mikrobiyol Bul Source Type: research
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