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https://www.readbyqxmd.com/read/29161717/subconjunctival-prgf-fibrin-membrane-as-an-adjuvant-to-nonpenetrating-deep-sclerectomy-a-2-year-pilot-study
#1
Iñaki Rodríguez-Agirretxe, Vanesa Freire, Francisco Muruzabal, Gorka Orive, Eduardo Anitua, Elio Díez-Feijóo, Arantxa Acera
PURPOSE: To evaluate the potential role of the autologous PRGF (plasma rich in growth factors) fibrin membrane in tissue regeneration after glaucoma filtering surgery. MATERIALS AND METHODS: Ten patients with medically uncontrolled primary open-angle glaucoma underwent nonpenetrating deep sclerectomy and were treated with PRGF fibrin membrane as adjuvant. Intraocular pressure reduction was the primary outcome. This variable was measured preoperatively and also at each follow-up visit...
November 22, 2017: Ophthalmic Research
https://www.readbyqxmd.com/read/29158874/mitochondria-targeted-antioxidant-skq1-prevents-anesthesia-induced-dry-eye-syndrome
#2
Evgeni Yu Zernii, Olga S Gancharova, Viktoriia E Baksheeva, Marina O Golovastova, Ekaterina I Kabanova, Marina S Savchenko, Veronika V Tiulina, Larisa F Sotnikova, Andrey A Zamyatnin, Pavel P Philippov, Ivan I Senin
Dry eye syndrome (DES) is an age-related condition increasingly detected in younger people of risk groups, including patients who underwent ocular surgery or long-term general anesthesia. Being a multifactorial disease, it is characterized by oxidative stress in the cornea and commonly complicated by ocular surface inflammation. Polyetiologic DES is responsive to SkQ1, a mitochondria-targeted antioxidant suppressing age-related changes in the ocular tissues. Here, we demonstrate safety and efficacy of topical administration of SkQ1 at a dosage of 7...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/29158733/effect-of-ultraviolet-light-irradiation-combined-with-riboflavin-on-different-bacterial-pathogens-from-ocular-surface-infection
#3
Jing Shen, Qingfeng Liang, Guanyu Su, Yang Zhang, Zhiqun Wang, Hong Liang, Christophe Baudouin, Antoine Labbé
In order to study Staphylococcus epidermis and Staphylococcus aureus in vitro viability after the exposure to ultraviolet (UV) light and riboflavin, twelve strains of Staphylococcus epidermis and twelve strains of Staphylococcus aureus were isolated from patients with bacterial keratitis. The growth situation of Staphylococcus epidermidis and Staphylococcus aureus under different experimental conditions was qualitatively observed. The number of colonies surviving bacteria was counted under different UV light power and different exposure time...
2017: Journal of Biophysics
https://www.readbyqxmd.com/read/29156634/an-overview-of-chitosan-nanoparticles-and-its-application-in-non-parenteral-drug-delivery
#4
REVIEW
Munawar A Mohammed, Jaweria T M Syeda, Kishor M Wasan, Ellen K Wasan
The focus of this review is to provide an overview of the chitosan based nanoparticles for various non-parenteral applications and also to put a spotlight on current research including sustained release and mucoadhesive chitosan dosage forms. Chitosan is a biodegradable, biocompatible polymer regarded as safe for human dietary use and approved for wound dressing applications. Chitosan has been used as a carrier in polymeric nanoparticles for drug delivery through various routes of administration. Chitosan has chemical functional groups that can be modified to achieve specific goals, making it a polymer with a tremendous range of potential applications...
November 20, 2017: Pharmaceutics
https://www.readbyqxmd.com/read/29155856/treatment-with-solubilized-silk-derived-protein-sdp-enhances-rabbit-corneal-epithelial-wound-healing
#5
Waleed Abdel-Naby, Brigette Cole, Aihong Liu, Jingbo Liu, Pengxia Wan, Ryan Schreiner, David W Infanger, Nicholas B Paulson, Brian D Lawrence, Mark I Rosenblatt
There is a significant clinical need to improve current therapeutic approaches to treat ocular surface injuries and disease, which affect hundreds of millions of people annually worldwide. The work presented here demonstrates that the presence of Silk-Derived Protein (SDP) on the healing rabbit corneal surface, administered in an eye drop formulation, corresponds with an enhanced epithelial wound healing profile. Rabbit corneas were denuded of their epithelial surface, and then treated for 72-hours with either PBS or PBS containing 5 or 20 mg/mL SDP in solution four times per day...
2017: PloS One
https://www.readbyqxmd.com/read/29150990/prevalence-of-dry-eye-disease-and-its-association-with-dyslipidemia
#6
Krishnamoorthy Rathnakumar, Kaliaperumal Ramachandran, Durairaj Baba, Venkatachalam Ramesh, Velusamy Anebaracy, Ramachandran Vidhya, Rajamanickam Vinothkumar, Ramamurthy Poovitha, Rajagopalan Geetha
BACKGROUND: Dry eye disease (DED) is a common ocular surface disease significantly affecting the quality of life of patients. The aim of our study is to focus on the prevalence of DED and to determine the relationship between dyslipidemia and DED. METHODS: The study was performed with the age group of 25-70 years, who attended the ophthalmology outpatient department at Sri Lakshmi Narayana Institute of Medical Sciences with complaints of dry eye. A standard questionnaire was taken, and tear film tests were performed to diagnose dry eye...
November 18, 2017: Journal of Basic and Clinical Physiology and Pharmacology
https://www.readbyqxmd.com/read/29150765/finite-element-design-optimization-of-a-hyaluronic-acid-based-hydrogel-drug-delivery-device-for-improved-retention
#7
Jourdan Colter, Barbara Wirostko, Brittany Coats
Drug-loaded hydrogel devices are emerging as an effective means of localized and sustained drug delivery for the treatment of corneal conditions and injuries. One such device uses a novel, thiolated crosslinked carboxymethylated, hyaluronic acid-based hydrogel (CMHA-S) film to deliver drug to the ocular surface upon placement into the inferior fornix of the eye. While proven to be very safe and effective, the CMHA-S film tends to dislodge in the highly-lubricated ocular environment, thereby reducing drug delivery efficiency and drug efficacy...
November 17, 2017: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/29150029/-fungal-keratitis
#8
REVIEW
T Bourcier, A Sauer, A Dory, J Denis, M Sabou
Fungal keratitis, or keratomycoses, are corneal infections which must be considered in cases of corneal trauma, prior corneal surgery, chronic ocular surface disease, topical corticosteroids or contact lens wear. Filamentous fungi or yeasts may be involved. Presenting clinical features such as corneal infiltrates with feathery edges and/or raised surface, intact epithelium with deep stromal involvement, satellite lesions, endothelial plaques, lack of improvement with antibiotics and worsening with steroids are suggestive of fungal keratitis...
November 14, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/29148532/the-royal-college-of-ophthalmologists-guidelines-on-serum-eye-drops-for-the-treatment-of-severe-ocular-surface-disease-full-report
#9
S Rauz, S-Y Koay, B Foot, S B Kaye, F Figueiredo, M A Burdon, E Dancey, A Chandrasekar, R Lomas
No abstract text is available yet for this article.
November 17, 2017: Eye
https://www.readbyqxmd.com/read/29148531/the-royal-college-of-ophthalmologists-guidelines-on-serum-eye-drops-for-the-treatment-of-severe-ocular-surface-disease-executive-summary
#10
S Rauz, S-Y Koay, B Foot, S B Kaye, F Figueiredo, M A Burdon, E Dancey, A Chandrasekar, R Lomas
No abstract text is available yet for this article.
November 17, 2017: Eye
https://www.readbyqxmd.com/read/29144869/ocular-redness-measured-with-the-keratograph-5m-in-patients-using-anti-glaucoma-eye-drops
#11
Francisco Pérez Bartolomé, Jose María Martínez de la Casa, Pedro Arriola Villalobos, Cristina Fernández Pérez, Vicente Polo, Ruben Sánchez Jean, Julián García Feijoó
PURPOSE: To examine correlations between ocular redness measured with the new topographer Keratograph 5M and the use of topical anti-glaucoma medication. METHODS: A total of 211 eyes of 211 patients with open-angle glaucoma or ocular hypertension on topical medication and 51 eyes of 51 healthy volunteers were recruited over 10 months. Outcome variables were keratograph redness scores (RS): overall, bulbar temporal (BT), bulbar nasal (BN), limbar temporal (LT), and limbar nasal (LN)...
November 16, 2017: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/29144832/postoperative-complications-of-dermis-fat-autografts-in-the-anophthalmic-socket
#12
Victoria Starks, Suzanne K Freitag
Reconstruction of the anophthalmic socket allows the use of an ocular prosthesis and rehabilitation of facial appearance. Dermis-fat grafting is one option in volume augmentation of the anophthalmic socket and presents unique benefits, including increased surface area within the socket and the ability to grow with pediatric patients. Postoperative complications of this procedure are relatively common. Minor complications, such as graft hirsutism, keratinization, and conjunctival cysts or granulomas, are managed easily by observation or simple intervention...
November 16, 2017: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/29144603/hyaluronic-acid-based-micelles-as-ocular-platform-to-modulate-the-loading-release-and-corneal-permeation-of-corticosteroids
#13
Flavia Bongiovì, Giulia Di Prima, Fabio S Palumbo, Mariano Licciardi, Giovanna Pitarresi, Gaetano Giammona
The aim of this work is to prepare hyaluronic acid-based micelles as a platform to load corticosteroid drugs and to improve their corneal permeation after administration on the ocular surface. Three amphiphilic derivatives of hyaluronic acid (HA) are synthesized using different amounts of hexadecylamine (C16 -NH2 ). HAC16 a, HAC16 b, and HAC16 c derivatives are able to form micelles by the cosolvent evaporation method and to entrap corticosteroids (dexamethasone, triamcinolone, triamcinolone acetonide). HAC16 a and HAC16 b micelles show the best results in terms of drug loading and particle size...
November 16, 2017: Macromolecular Bioscience
https://www.readbyqxmd.com/read/29140823/single-center-retrospective-study-on-meibomian-gland-loss-in-patients-with-ocular-chronic-graft-versus-host-disease
#14
Lijuan Que, Xiaofeng Zhang, Mengmeng Li
OBJECTIVES: This study aimed to analyze the influencing factors of meibomian gland loss in patients with ocular chronic graft-versus-host disease (GVHD) and its correlation with other clinical ocular surface assessment indexes. METHODS: The clinical data of patients with ocular chronic GVHD from the ocular surface and corneal outpatient clinic of the First Affiliated Hospital of Soochow University were reviewed from June 2012 to June 2016. The relationship between the percentage of meibomian gland acinar area and the influencing factors, such as patient's sex, age, transplantation method, human leukocyte antigen (HLA) matching, the time when eye discomfort appeared after transplantation (month), and the severity of ocular chronic GVHD, was investigated...
November 14, 2017: Eye & Contact Lens
https://www.readbyqxmd.com/read/29135738/efficacy-of-rebamipide-instillation-for-contact-lens-discomfort-with-dry-eye
#15
Tsutomu Igarashi, Maika Kobayashi, Chiemi Yaguchi, Chiaki Fujimoto, Hisaharu Suzuki, Hiroshi Takahashi
OBJECTIVE: To examine the effects of rebamipide ophthalmic solution on the symptoms, signs, and cytokine concentrations in tear fluid among soft contact lens (SCL) wearers with Dry eye disease (DED). METHODS: From November 2015 to June 2017, this open-label, single-arm study examined 40 eyes of 20 SCL wearers with DED who had been using daily disposable SCLs for >3 months (mean age, 30.0±8.33 years; range, 20-47 years). Signs, symptoms, and cytokine concentrations were assessed before and 4 weeks after starting 2% rebamipide ophthalmic solution 4 times/day...
November 10, 2017: Eye & Contact Lens
https://www.readbyqxmd.com/read/29135602/ocular-surface-alterations-in-the-context-of-corneal-in-vivo-confocal-microscopic-characteristics-in-patients-with-fibromyalgia
#16
Kadriye Erkan Turan, Sibel Kocabeyoglu, Isin Unal-Cevik, Figen Bezci, Aysen Akinci, Murat Irkec
PURPOSE: To quantify the morphology of corneal basal epithelium and subbasal nerves and to evaluate the ocular surface alterations in patients with fibromyalgia (FM). METHODS: Patients with FM (n = 34) and healthy controls (n = 42) were enrolled. All participants underwent ocular surface tests in the following order: corneal sensitivity, tear film breakup time, lissamine green staining, Schirmer test, and the Ocular Surface Disease Index questionnaire. Basal epithelial cells and subbasal nerves were evaluated using in vivo confocal microscopy (IVCM)...
November 9, 2017: Cornea
https://www.readbyqxmd.com/read/29134276/-novel-current-and-future-therapy-options-for-treatment-of-dry-eye-disease
#17
REVIEW
E M Messmer
Dry eye disease was redefined by the dry eye workshop (DEWS II) in May 2017. According to the new definition "dry eye is a multifactorial disease of the ocular surface characterized by a loss of homeostasis of the tear film and accompanied by ocular symptoms". The current definition encompasses etiological factors, such as instability and hyperosmolarity of the tear film, ocular surface inflammation and damage as well as a new aspect compared to the former definition, neurosensory abnormalities. Recent and future therapeutic options for dry eye focus on treatment of the aforementioned pathogenetic events...
November 13, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/29134185/infiltrative-intraocular-conjunctival-squamous-cell-carcinoma-after-local-resection-and-brachytherapy-clinical-and-pathological-findings
#18
Magnolia Trinidad Cano-Suárez, María Antonia Saornil-Álvarez, Ciro García-Álvarez, Francisco López-Lara, Jesús María Frutos-Baraja, Elena García-Lagarto
A pseudophakic 70-year-old man presented to the clinic with a slow-growing conjunctival mass in the left eye. He was diagnosed with a conjunctival exophytic lesion suspicious of invasive conjunctival squamous cell carcinoma (CSCC). Excisional biopsy showed a well-differentiated CSCC with positive margins and the patient underwent adjuvant brachytherapy. Six weeks later, examination of the anterior segment revealed cells in the anterior chamber and a neurotrophic corneal ulcer with corneal perforation. Considering the high suspicion of intraocular invasion of CSCC, the left eye was enucleated...
September 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29128682/randomized-double-masked-trial-of-eyelid-cleansing-treatments-for-blepharitis
#19
Justin Sung, Michael T M Wang, Sang H Lee, Isabella M Y Cheung, Salim Ismail, Trevor Sherwin, Jennifer P Craig
PURPOSE: To compare the efficacy of a dedicated eyelid cleanser and diluted baby shampoo in the management of blepharitis. METHODS: Forty-three participants with clinical blepharitis signs were enrolled in a prospective, randomized, double-masked, paired-eye trial. A dedicated eyelid cleanser (TheraTears(®) SteriLid(®)) was applied to the eyelids of one eye (randomized) and diluted baby shampoo (Johnson's(®) No More Tears(®)) to the fellow eye, twice daily for 4 weeks...
November 8, 2017: Ocular Surface
https://www.readbyqxmd.com/read/29128574/conjunctivochalasis-a-systematic-review
#20
REVIEW
Anna Marmalidou, Ahmad Kheirkhah, Reza Dana
Conjunctivochalasis (CCH) is a conjunctival condition characterized by loose, redundant conjunctival folds, most typically in the inferior bulbar conjunctiva of both eyes. Although CCH is a common cause of ocular irritation and discomfort, especially in the elderly, it is often overlooked in clinical practice. Conjunctivochalasis may be associated with various ocular and non-ocular conditions; however, the most important risk factor is aging. Although often asymptomatic, CCH may cause symptoms related to tear film instability and/or delayed tear clearance...
November 8, 2017: Survey of Ophthalmology
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