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Keratopathy

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https://www.readbyqxmd.com/read/28924439/corneal-neovascularization-with-associated-lipid-keratopathy-in-a-patient-with-obstructive-sleep-apnea-hypopnea-syndrome-using-a-continuous-positive-airway-pressure-machine
#1
Konstantinos Oikonomakis, Myrsini Petrelli, Konstantinos Andreanos, Andreas Mouchtouris, Petros Petrou, Ilias Georgalas, Dimitrios Papaconstantinou, George Kymionis
OBJECTIVE: To report a case of corneal neovascularization with secondary lipid keratopathy in a patient treated with continuous positive airway pressure (CPAP) for obstructive sleep apnea-hypopnea syndrome (OSAHS). CASE REPORT: A 49-year-old male had been diagnosed with obstructive sleep apnea syndrome 10 years ago and has been treated with the application of a CPAP machine during night sleep ever since. For the past year, the patient had been complaining for ocular irritation and excessive tearing of the left eye on awakening...
May 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28923585/the-genetics-of-congenital-aniridia-a-guide-for-the-ophthalmologist
#2
Erlend S Landsend, Øygunn A Utheim, Hilde R Pedersen, Neil Lagali, Rigmor C Baraas, Tor P Utheim
Congenital aniridia is a rare panocular disease caused by fundamental disturbances in the development of the eye, characterized primarily by hypoplasia of the iris and the retinal fovea. Severe secondary complications such as keratopathy, cataract, and glaucoma are common and often lead to considerable visual impairment or blindness. Many complications in aniridia patients are difficult to treat and present a challenge for the ophthalmologist. Increasingly, associated non-ocular features of the disease are also being recognised...
September 15, 2017: Survey of Ophthalmology
https://www.readbyqxmd.com/read/28910175/neurotrophic-keratopathy-therapeutic-approach-using-a-novel-matrix-regenerating-agent
#3
Marta Guerra, Sara Marques, João Quadrado Gil, Joana Campos, Paula Ramos, Andreia Martins Rosa, Maria João Quadrado, Joaquim Neto Murta
PURPOSE: To evaluate the efficacy and tolerance of a new matrix-regenerating agent (RGTA), Cacicol(®), a polymer that mimics heparan sulfates bound to extracellular matrix proteins, avoiding its proteolysis, to treat neurotrophic keratopathy (NK). METHODS: Uncontrolled prospective clinical study performed between January 2014 and May 2016. Twenty-five patients (25 eyes) with corneal neurotrophic ulcers, nonresponsive to at least 2 weeks of conservative therapy, were treated with Cacicol, instilled once/twice a week...
September 14, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28906020/diagnostic-impact-of-anterior-segment-angiography-of-limbal-stem-cell-insufficiency-in-pax6-related-aniridia
#4
Barbara Käsmann-Kellner, Lorenz Latta, Fabian Fries, Arne Viestenz, Berthold Seitz
BACKGROUND: PAX6 is a master gene of ocular development and postnatal ocular equilibrium. Congenital aniridia is the hallmark of PAX6 gene haploinsufficiency (Chr. 11 p. 13), but PAX6-associated aniridia is a profound, progressive pan-ocular developmental disorder often leading to blindness. Limbal stem cell insufficiency and corneal findings in PAX6 syndrome: There is congenital visual impairment with advancing loss of vision mainly due to secondary glaucoma and to corneal blindness caused by limbal stem cell insufficiency (LSCI)...
September 14, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/28885362/the-protective-efficacy-and-safety-of-bandage-contact-lenses-in-children-aged-5-to-11-after-frontalis-muscle-flap-suspension-for-congenital-blepharoptosis-a-single-center-randomized-controlled-trial
#5
RANDOMIZED CONTROLLED TRIAL
Lin Chen, Lianhong Pi, Ning Ke, Xinke Chen, Qing Liu
BACKGROUND: Postoperative complications, lagophthalmos and exposure keratopathy sometimes occur after surgery for congenital blepharoptosis. Bandage contact lenses (BCL) can help prevent some ocular surface disorders. The study aims to evaluate the efficacy and safety of BCL for protection of the ocular surface in children aged 5 to 11 years after frontalis muscle flap suspension for congenital blepharoptosis. METHODS: We conducted a prospective randomized clinical study of 30 eyes of 30 patients with congenital blepharoptosis consecutively enrolled at the Ophthalmology Ward of the Children's Hospital of Chongqing Medical University, China from September 1, 2016, to February 30, 2017...
September 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28885249/innovations-in-treatment-of-lagophthalmos-and-exposure-keratopathy
#6
Natalie Wolkow, James Chodosh, Suzanne K Freitag
No abstract text is available yet for this article.
2017: International Ophthalmology Clinics
https://www.readbyqxmd.com/read/28879639/nitisinone-induced-keratopathy-in-alkaptonuria-a-challenging-diagnosis-despite-clinical-suspicion
#7
Andrew White, Michel C Tchan
Alkaptonuria is a rare disorder of amino acid metabolism that causes premature large joint and spine arthropathy and cardiac valvular disease. It is characterised by elevated levels of homogentisic acid. Nitisinone (NTBC) is a benzoylcyclohexane-1,3-dione that reversibly inhibits the activity of the enzymatic step immediately prior to homogentisate dioxygenase, hence reducing the production of homogentisic acid. Thus it is thought that nitisinone might be a treatment for alkaptonuria. A side effect of NTBC therapy is elevation of plasma tyrosine levels in a manner analogous to tyrosinemia type 2, another related condition which causes a painful palmoplantar hyperkeratosis and eye pathology described as conjunctivitis and herpetic-like corneal ulceration...
September 7, 2017: JIMD Reports
https://www.readbyqxmd.com/read/28860908/meibography-for-eyes-with-posterior-blepharitis
#8
Abdulrahman AlDarrab, Mohammed Alrajeh, Adel H Alsuhaibani
PURPOSE: To study the effect of posterior blepharitis on meibomian glands using infrared meibography and to correlate the results with tear film parameters. METHODS: This is a prospective cohort study. The study included eyes from two groups: 86 eyes of healthy volunteers' eyes and 72 eyes with posterior blepharitis. Participants were examined, and diagnosis of posterior blepharitis was achieved clinically based on signs of posterior blepharitis. Clinical assessment of dryness was performed including slit lamp examination looking for signs of posterior blepharitis, tear breakup time (TBUT), superficial punctate keratopathy (SPK), Schirmer II test (with anesthesia) and meibum score...
July 2017: Saudi Journal of Ophthalmology: Official Journal of the Saudi Ophthalmological Society
https://www.readbyqxmd.com/read/28843653/characterization-of-folate-receptor-alpha-fr%C3%AE-expression-in-archival-tumor-and-biopsy-samples-from-relapsed-epithelial-ovarian-cancer-patients-a-phase-i-expansion-study-of-the-fr%C3%AE-targeting-antibody-drug-conjugate-mirvetuximab-soravtansine
#9
Lainie P Martin, Jason A Konner, Kathleen N Moore, Shelly M Seward, Ursula A Matulonis, Raymond P Perez, Ying Su, Anna Berkenblit, Rodrigo Ruiz-Soto, Michael J Birrer
PURPOSE: To characterize folate receptor alpha (FRα) expression in archival and fresh biopsy tumor samples from relapsed ovarian cancer patients. METHODS: Patients with ovarian tumors amenable to biopsy were eligible to enroll. Eligibility included a minimum requirement of FRα positivity in archival tumor samples (≥25% of cells with ≥2+ staining intensity). Patients received mirvetuximab soravtansine at 6mg/kg once every 3weeks. Core needle biopsies were collected before and after treatment and FRα levels assessed by immunohistochemistry...
August 24, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28834817/promotion-of-corneal-epithelial-wound-healing-in-diabetic-rats-by-the-fibronectin-derived-peptide-phsrn
#10
Naoyuki Morishige, Aiko Uemura, Yukiko Morita, Teruo Nishida
PURPOSE: Topical application of the fibronectin-derived peptide PHSRN facilitates corneal epithelial wound healing in healthy animals and in patients with nonhealing epithelial defects. We have now examined the effect of PHSRN eye drops on the healing of corneal epithelial wounds in diabetic rats. METHODS: Wistar rats were injected intraperitoneally with streptozotocin to induce diabetes or with a vehicle as a control. Four weeks after confirmation of the corresponding presence or absence of glycosuria, a 3-mm-diameter portion of the corneal epithelium of the right eye was excised and eye drops containing PHSRN (200 μM) or phosphate-buffered saline (PBS) vehicle were administered to the injured eye every 6 hours...
August 22, 2017: Cornea
https://www.readbyqxmd.com/read/28834813/recovery-from-amiodarone-induced-cornea-verticillata-by-application-of-topical-heparin
#11
Andreas Frings, Marc Schargus
PURPOSE: To report a case of amiodarone-induced vortex keratopathy-associated anatomical findings and subjective visual perception before and after treatment with topical heparin eye drops. METHODS: Case report. RESULTS: A 76-year-old man complained of halos in his vision in both his eyes due to prominent bilateral cornea verticillata. For treatment of cornea verticillata, we prescribed unpreserved eye drops of a sterile, phosphate-free solution of 0...
August 22, 2017: Cornea
https://www.readbyqxmd.com/read/28831305/changes-in-ocular-surface-characteristics-after-switching-from-benzalkonium-chloride-preserved-latanoprost-to-preservative-free-tafluprost-or-benzalkonium-chloride-preserved-tafluprost
#12
Naoto Tokuda, Yasushi Kitaoka, Akiko Matsuzawa, Ayaka Tsukamoto, Kana Sase, Shinsuke Sakae, Hitoshi Takagi
PURPOSE: The aim of the present study was to examine the effects of switching from Latanoprost ophthalmic solution containing a preservative to preservative-free Tafluprost ophthalmic solution or Tafluprost containing a preservative on ocular surfaces. MATERIALS AND METHODS: Forty patients (40 eyes) with glaucoma (mean age: 62.0 ± 10.9 years) using Latanoprost with preservative for six months or longer were assigned either to a Tafluprost-containing-preservative group (20 eyes) or preservative-free-Tafluprost group (20 eyes)...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28827027/unravelling-the-stromal-nerve-interactions-in-the-human-diabetic-cornea
#13
Shrestha Priyadarsini, Tyler G Rowsey, Jian-Xing Ma, Dimitrios Karamichos
Corneal defects due to diabetes mellitus (DM) may cause severe vision impairments. Current studies focus on the corneal epithelium and nerve defects neglecting the corneal stroma. The aim of this study was to develop a 3D in vitro model to examine the interactions between corneal stroma and nerves in the context of DM. Primary human corneal stromal fibroblasts isolated from healthy (HCFs), Type 1 (T1DM) and Type 2 (T2DM) patients were stimulated with stable ascorbic acid to secrete and assemble an extracellular matrix (ECM)...
August 5, 2017: Experimental Eye Research
https://www.readbyqxmd.com/read/28825920/rabbit-model-of-corneal-endothelial-injury-established-using-the-nd-yag-laser
#14
Weijie Zhang, Yang Hu, Linna Lu, Yan Liu, Xiaodan Yang, Hao Sun, Jing Ruan, Junzhao Chen, Qinke Yao, Chenxi Yan, Ping Gu, Yao Fu, Chunyi Shao, Xianqun Fan
PURPOSE: To develop a new rabbit model of corneal endothelial injury using a neodymium-doped yttrium aluminum garnet (Nd:YAG) laser. METHODS: The corneal endothelia of 2 groups of New Zealand white rabbits were treated with an Nd:YAG laser in a uniformly scattered fashion. Rabbits in group A underwent laser burns on the whole corneal endothelium, including the limbus area, whereas rabbits in group B were subjected to laser burns in the central 9-mm diameter zone of the endothelium...
October 2017: Cornea
https://www.readbyqxmd.com/read/28820764/severe-case-of-renal-coloboma-syndrome-in-long-term-follow-up
#15
Lise Sels, Werner Dirven, Koenraad Devriendt, Anita Leys
PURPOSE: To characterize the ocular features of a severe case of renal coloboma syndrome in a long-term follow-up. METHODS: Observational case report over a period of 45 years. Examination under anesthesia at the age of 3 months, repeated ophthalmologic examination (age 7, 14, 25, 45 years), fluorescein and indocyanine green angiography, electroretinography, ocular ultrasound, optical coherence tomography, computed tomography scan orbits, and magnetic resonance imaging of the brain...
August 17, 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28820753/prevention-of-exposure-keratopathy-in-critically-ill-patients-a-single-center-randomized-pilot-trial-comparing-ocular-lubrication-with-bandage-contact-lenses-and-punctal-plugs
#16
Itai Bendavid, Inbal Avisar, Irena Serov Volach, Amir Sternfeld, Idit Dan Brazis, Lewaa Umar, Yiftach Yassur, Pierre Singer, Jonathan David Cohen
OBJECTIVES: To compare the effectiveness of bandage contact lenses and punctal plugs with ocular lubricants in preventing corneal damage in mechanically ventilated and sedated critically ill patients. DESIGN: Single-center, prospective, randomized, pilot study. SETTING: Sixteen-bed, general ICU at a tertiary academic medical center. PATIENTS: Adults admitted to the ICU and anticipated to require mechanical ventilation and continuous sedation for greater than or equal to 4 days...
August 17, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28817391/tacrolimus-eye-drops-as-adjunct-therapy-in-severe-corneal-endothelial-rejection-refractory-to-corticosteroids
#17
Reza Ghaffari, Hamed Ghassemi, Mehran Zarei-Ghanavati, Golshan Latifi, Shima Dehghani, Zeeshan Haq, Ali R Djalilian
PURPOSE: To evaluate the safety and efficacy of tacrolimus eye drops as adjunctive therapy in the treatment of severe corneal endothelial rejection after penetrating keratoplasty refractory to corticosteroids. METHODS: In this prospective interventional case series, 11 eyes of 11 patients assessed for severe corneal endothelial rejection, with an inadequate response to topical, local, and systemic corticosteroids, were treated with either 0.01% or 0.05% tacrolimus eye drops 4 times daily...
October 2017: Cornea
https://www.readbyqxmd.com/read/28791059/risk-factors-for-pterygium-in-ilam-province-iran
#18
Parviz Malekifar, Hamed Esfandiari, Nazanin Behnaz, Fatemeh Javadi, Sima Azish, Mohammad Ali Javadi, Masumeh Kalantarion
PURPOSE: To evaluate the risk factors for pterygium in the dry, high altitude province of Ilam, Iran. METHODS: The study included patients who presented to ophthalmology clinic. The patients were divided into two groups: 210 diagnosed with pterygium or pinguecula (unilateral or bilateral), and 210 healthy controls. Demographic variables, living environment, disease type, disease laterality, family history of pterygium as well as history of smoking, working outdoors, baking, welding, ocular conditions (trachoma keratopathy, glaucoma, refractive error, and dry eye), use of glasses, ultraviolet light exposure, and systemic conditions were collected from both groups and compared for risk assessment...
July 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28790802/the-signs-of-ocular-surface-disorders-after-switching-from-latanoprost-to-tafluprost-timolol-fixed-combination-a-prospective-study
#19
Hideaki Okumichi, Yoshiaki Kiuchi, Tetsuya Baba, Takashi Kanamoto, Tomoko Naito, Shunsuke Nakakura, Hitoshi Tabuchi, Hiroki Nii, Chie Sueoka, Yosuke Sugimoto
PURPOSE: To evaluate the ocular-surface safety of a 0.001% benzalkonium chloride-containing tafluprost/timolol fixed combination (TTFC) in patients with primary open-angle glaucoma (POAG) or ocular hypertension who have inadequate intraocular pressure (IOP) control with latanoprost monotherapy. METHODS: This study is a multicenter, prospective, single-arm, open-label clinical study. Patients with POAG or ocular hypertension who have inadequate IOP control with latanoprost monotherapy were considered eligible...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28790232/corneal-sensitivity-as-a-potential-marker-of-diabetic-neuropathy
#20
Ratna Sitompul
Diabetes mellitus (DM) is a complex and chronic metabolic disorder leading to many complications. One of the most common complications of DM is diabetic neuropathy. There are many studies exploring corneal sensitivity as a potential marker of diabetic neuropathy. This review aims to explore association between corneal sensitivity and diabetic neuropathy. In diabetic neuropathy, corneal sensitivity is impaired due to low level of corneal nerve trophic factors, impaired sensory nerve fibers, and lost communication of dendtritic cell...
April 2017: Acta Medica Indonesiana
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