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https://www.readbyqxmd.com/read/29552874/allergic-conjunctivitis-current-concepts-on-pathogenesis-and-management
#1
M Sacchetti, I Abicca, A Bruscolini, C Cavaliere, M Nebbioso, A Lambiase
Allergic conjunctivitis (AC) includes a wide spectrum of clinical entities characterized by different incidence, age of onset, natural course, clinical outcome and response to treatment. Taken together, they represent one of the most frequent ocular surface diseases affecting more than 30% of the young-adult population and show an increasing incidence over the years. Moreover, comorbidities with other systemic atopic conditions such as asthma, atopic dermatitis and rhinitis require a multidisciplinary approach...
January 2018: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/29528586/validity-of-specific-immunoglobulin-e-assay-in-tear-film-for-detection-of-allergens-inducing-different-types-of-allergic-conjunctivitis
#2
Randa S Abdel-Latif, Nissreen E ELBadawy, Basem M Ibrahim
This is a prospective interventional comparative study which aimed to investigate correlation between tear film allergen specific IgE levels and the skin prick test in diagnosing different types of allergic conjunctivitis. One hundred twenty patients with allergic conjunctivitis were included in this study and were classified into 4 groups based on the type of allergic conjunctivitis. Patients were subjected to skin prick test (SPT). Micro capillary method was used to collect tear samples for the quantitative assessment of specific IgE by Immune blot assay...
June 2017: Egyptian Journal of Immunology
https://www.readbyqxmd.com/read/29391772/vernal-keratoconjunctivitis
#3
REVIEW
Hampton Addis, Bennie H Jeng
Vernal keratoconjunctivitis (VKC) is a chronic allergic conjunctivitis that is most often seen in young, males. Although most types of allergic conjunctivitis do not affect vision, VKC is unusual in that damage to the cornea from the condition can result in vision loss. Although it is typically seasonal, year-round symptoms can be seen, which can lead to uncertain diagnoses being made. Although the pathophysiology of VKC is better understood in recent years, allowing more targeted therapies, management of these patients can still be very challenging, and complications can occur...
2018: Clinical Ophthalmology
https://www.readbyqxmd.com/read/29367201/corneal-staining-patterns-in-vernal-keratoconjunctivitis-the-new-vkc-clek-scoring-scale
#4
Andrea Leonardi, Daniela Lazzarini, Alvise La Gloria Valerio, Tania Scalora, Iva Fregona
AIM: To propose a new scoring system in the assessment of ocular surface epithelial damage in vernal keratoconjunctivitis (VKC). METHODS: 25 consecutive patients with VKC (50 eyes) were evaluated using the Quality of Life in children with VKC (QUICK) questionnaire and objective clinical measures: fluorescein and lissamine green staining and cornea confocal microscopy (Heidelberg Retina Tomography 3). Oxford, Van Bljsterweld and a new system, the VKC-Collaborative Longitudinal Evaluation of Keratoconus study (CLEK) (VKC-CLEK) scores, were used to evaluate the epithelial damage after staining...
January 24, 2018: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/29123375/sequential-keraring-implantation-and-corneal-cross-linking-for-the-treatment-of-keratoconus-in-children-with-vernal-keratoconjunctivitis
#5
Mortada A Abozaid
Purpose: The purpose of this study was to assess the safety and efficacy of femtosecond laser-assisted Keraring implantation followed by transepithelial accelerated corneal collagen cross-linking (CXL) for the treatment of keratoconus in children with vernal keratoconjunctivitis (VKC). Study design: This is a prospective interventional non-comparative case series. Patients and methods: Eighteen eyes of 11 children with keratoconus and VKC were included in this study...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/29118487/long-term-use-of-0-003-tacrolimus-suspension-for-treatment-of-vernal-keratoconjunctivitis
#6
Abdulrahman Mohammed Al-Amri, Sandra Flavia Fiorentini, Maan A Albarry, Ashjan Yousef Bamahfouz
PURPOSE: To evaluate the safety and efficacy of 0.003% tacrolimus suspension for the treatment of refractory vernal keratoconjunctivitis (VKC). MATERIALS AND METHODS: This prospective study included 40 eyes of 20 patients with severe VKC. After discontinuing all other medications, patients were treated with varying doses of 0.003% tacrolimus suspension. All were followed for at least 24 months. Changes in signs and symptoms after treatment were evaluated; adverse events were assessed...
September 2017: Oman Journal of Ophthalmology
https://www.readbyqxmd.com/read/29090512/corneal-backward-scattering-and-higher-order-aberrations-in-children-with-vernal-keratoconjunctivitis-and-normal-topography
#7
Tommy C Y Chan, Emily S Wong, Jason C K Chan, Yumeng Wang, Marco Yu, Naoyuki Maeda, Vishal Jhanji
PURPOSE: To investigate the corneal backward scattering and higher-order aberrations (HOAs) in children with vernal keratoconjunctivitis (VKC) and normal topography. METHODS: Thirty-six eyes of 22 patients with VKC and 54 eyes of 34 normal subjects were included. All participants had clear cornea, absence of dry eyes and a normal corneal tomography. Scheimpflug imaging was used to measure corneal backward scattering in zones centred on the corneal apex (central 2-mm zone and paracentral 2- to 6-mm zone), and HOAs were compared between VKC and normal control...
November 1, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28832741/supratarsal-injection-of-triamcinolone-for-severe-vernal-keratoconjunctivitis-in-children
#8
Alexandre Xavier da Costa, José Álvaro Pereira Gomes, Leonardo Guedes Candido Marculino, Vera Lucia Liendo, Telma Pereira Barreiro, Myrna Serapião Dos Santos
PURPOSE: To evaluate the use of supratarsal injection of triamcinolone acetonide in severe vernal keratoconjunctivitis (VKC) in children. METHODS: Patients included in this open clinical trial were those with severe VKC-associated with keratitis, gelatinous limbal infiltrates, and/or giant papillae, with a history of recurrence and resistance to conventional topical antiallergic agents. Patients were treated with a supratarsal injection of 20 mg triamcinolone acetonide...
June 2017: Arquivos Brasileiros de Oftalmologia
https://www.readbyqxmd.com/read/28832739/tacrolimus-eye-drops-as-monotherapy-for-vernal-keratoconjunctivitis-a-randomized-controlled-trial
#9
RANDOMIZED CONTROLLED TRIAL
Eduardo Gayger Müller, Myrna Serapião Dos Santos, Denise Freitas, José Álvaro Pereira Gomes, Rubens Belfort
PURPOSE: To assess the efficacy of monotherapy using tacrolimus eye drops versus sodium cromoglycate for the treatment of vernal keratoconjunctivitis (VKC). METHODS: Randomized double-masked controlled trial comparing the efficacy of tacrolimus 0.03% eye drops t.i.d. (Group 1) with sodium cromoglycate 4% eye drops t.i.d. (Group 2) for the symptomatic control of VKC at days 0, 15, 30, 45, and 90 of follow-up. Visual acuity, intraocular pressure, and other complications were evaluated to assess safety and side effects...
June 2017: Arquivos Brasileiros de Oftalmologia
https://www.readbyqxmd.com/read/28803239/therapeutic-effect-of-0-1-tacrolimus-eye-drops-in-the-tarsal-form-of-vernal-keratoconjunctivitis
#10
Qi Wan, Jing Tang, Yu Han, Dan Wang, Hongquan Ye
OBJECTIVE: The purpose of this study was to evaluate the efficacy and safety of 0.1% tacrolimus eye drops in the tarsal form of vernal keratoconjunctivitis (VKC) and to survey the changes of dendritic cells at the palpebral conjunctiva in patients with VKC by in vivo confocal microscopy. METHODS: A total of 17 patients (34 eyes) with the tarsal form of VKC were enrolled in this prospective, nonrandomized case series. They were treated with 0.1% tacrolimus eye drops twice daily after discontinuation of all other topical medications...
August 12, 2017: Ophthalmic Research
https://www.readbyqxmd.com/read/28712175/corneal-complications-and-visual-impairment-in-vernal-keratoconjunctivitis-patients
#11
Abdus Salam Arif, Bushra Aaqil, Afsheen Siddiqui, Zainab Nazneen, Umer Farooq
BACKGROUND: Vernal kerato-conjunctivitis (VKC) is an infrequent but serious form of allergic conjunctivitis common in warm and humid areas where air is rich in allergens. It affects both eyes asymmetrically. Although VKC is a self-limiting disease but visions affecting corneal complications influence the quality of life in school children. The aim of this study was to list the corneal complications due to this condition and to find out the extent of visual impairment among VKC patients...
January 2017: Journal of Ayub Medical College, Abbottabad: JAMC
https://www.readbyqxmd.com/read/28546880/kingella-kingae-keratitis-in-a-child-with-underlying-vernal-keratoconjunctivitis
#12
Salim Nurul-Laila, Khai-Siang Chai, Ahmad Tajudin Liza-Sharmini, Ismail Shatriah
Kingella kingae had rarely been reported as a causative organism for corneal ulcer and had not been described before in vernal keratoconjunctivitis (VKC). Generally regarded as commensals of respiratory tract particularly in young children, it had however been isolated from the corneal ulcer scraping of both adult and children. We report a case of bacterial ulcer with isolation of Kingella kingae from the corneal scraping in a young child with underlying VKC.
2017: Case Reports in Ophthalmological Medicine
https://www.readbyqxmd.com/read/28410873/under-the-superficial-dichotomy-pathogen-and-allergen-are-two-manifestations-of-same-immune-activation-and-pathogenesis-mechanisms
#13
S Patel
Pathogens and allergens are deemed as two contrasting facets of host immune status, deficiency and exuberant. In silico domain analysis of a diverse panel of pathogen and allergen proteins has revealed the shortcoming of this notion. Both the pathogen and allergen proteins elicit immune activation, with the outcome of immune agitation depending on the pathogen strain, allergen exposure duration, and host factors. Pathogens can replicate within the host and constantly irritate the immune system, leading to blood coagulation, respiratory collapse and death...
April 11, 2017: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/28399035/comparative-evaluation-of-tacrolimus-versus-interferon-alpha-2b-eye-drops-in-the-treatment-of-vernal-keratoconjunctivitis-a-randomized-double-masked-study
#14
RANDOMIZED CONTROLLED TRIAL
Habibollah Zanjani, Mohammad Naim Aminifard, Abdolhossein Ghafourian, Mohsen Pourazizi, Alireza Maleki, Mohammed Arish, Mahnaz Shahrakipoor, Mohammad Reza Rohani, Mojtaba Abrishami, Ehsan Khafri Zare, Farhad Barzegar Jalali
PURPOSE: Vernal keratoconjunctivitis (VKC) is a bilateral, chronic, external ocular inflammatory disorder that mainly affects patients in their first or second decade. This study was designed to compare tacrolimus and interferon alpha-2b (IFN alpha-2b) eye drops in the treatment of VKC. METHODS: In this randomized, double-masked clinical trial, 40 consecutive patients with VKC were sent to a referral eye hospital in a tropical region southeast of Iran. Patients were randomly assigned to receive either 0...
June 2017: Cornea
https://www.readbyqxmd.com/read/28391980/histamine-h1-and-h4-receptor-expression-on-the-ocular-surface-of%C3%A2-patients-with-chronic-allergic-conjunctival-diseases
#15
Noriko Inada, Jun Shoji, Yukiko Shiraki, Hiroshi Aso, Satoru Yamagami
BACKGROUND: This study investigated the histamine H1 and H4 receptors mRNA (H1R and H4R, respectively) expression on the ocular surface of patients with chronic forms of allergic conjunctival diseases to determine whether they can serve as biomarkers for allergic inflammation in the conjunctiva. METHODS: We examined 19 patients with vernal or atopic keratoconjunctivitis (AKC/VKC group) and 15 healthy volunteers (control group). The AKC/VKC group was divided into active and stable stage subgroups...
October 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28352150/clinical-and-allergological-analysis-of-ocular-manifestations-of-sick-building-syndrome
#16
Yusuke Saeki, Kazuaki Kadonosono, Eiichi Uchio
PURPOSE: The disease concept of sick building syndrome (SBS) is still unclear. Ocular mucous membrane irritation is one of the major symptoms of SBS. However, the immunological aspects of the ocular complications of SBS are not yet clarified. The clinical and allergological aspects of SBS cases with ocular disorders with special reference to allergic conjunctival diseases (ACD) were analyzed, especially with respect to local immunological features. METHODS: Twelve cases of SBS with ocular findings and 49 cases of ACD (allergic conjunctivitis [AC], atopic keratoconjunctivitis [AKC], and vernal keratoconjunctivitis [VKC]) for comparison were evaluated...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/27909980/omalizumab-in-severe-refractory-vernal-keratoconjunctivitis-in-children-case-series-and-review-of-the-literature
#17
Serge Doan, Flore Amat, Eric Gabison, Sarah Saf, Isabelle Cochereau, Jocelyne Just
INTRODUCTION: Vernal keratoconjunctivis (VKC) is a severe form of pediatric ocular allergy, characterized by acute and chronic corneoconjunctival inflammation that may lead to visual sequelae. Although topical immunosuppressive drugs such as cyclosporine are usually effective, some severe forms may be refractory and require prolonged steroid therapy. Very few papers report the use of omalizumab in VKC in the literature. In the present study, we describe our clinical experience with omalizumab in severe VKC children...
June 2017: Ophthalmology and Therapy
https://www.readbyqxmd.com/read/27897453/clinical-usefulness-of-simultaneous-measurement-of-the-tear-levels-of-ccl17-ccl24-and-il-16-for-the-biomarkers-of-allergic-conjunctival-disorders
#18
Jun Shoji, Hiroshi Aso, Noriko Inada
PURPOSE: This study investigated the clinical usefulness of a multiple tear cytokine/chemokine test by simultaneously determining tear levels of CC chemokine ligand 17 (CCL17)/thymus and activation-regulated chemokine (TARC), CCL24/eotaxin-2, and interleukin-16 (IL-16) for assessing acute and chronic allergic inflammation in allergic conjunctival disorders (ACDs). SUBJECTS AND METHODS: This study included 37 patients with ACD and 11 healthy adults (controls). Patients with ACDs were divided into the following three groups; patients with allergic conjunctivitis (AC group, n = 17), patients with atopic keratoconjunctivitis (AKC group, n = 6), and patients with vernal keratoconjunctivitis (VKC group, n = 14)...
May 2017: Current Eye Research
https://www.readbyqxmd.com/read/27786545/vitamin-d-levels-in-children-affected-by-vernal-keratoconjunctivitis
#19
Anna Maria Zicari, Arianna Cafarotti, Francesca Occasi, Valeria Lollobrigida, Marcella Nebbioso, Irene Pecorella, Giovanna De Castro, Alberto Spalice, Lorenzo Loffredo, Maria Pia Villa, Marzia Duse
BACKGROUND: Vernal keratoconjunctivitis (VKC) is a chronic and often severe bilateral conjunctivitis. VKC etiology still remains unclear although endocrine, genetic, neurogenic and environmental factors have been implicated. Vitamin D is a fat-soluble prohormone whose main function is the regulation of calcium and phosphate metabolism. The aim of this study was to evaluate serum vitamin D in children affected by VKC compared to the healthy children and investigate the relationship between its levels and disease severity...
February 2017: Current Medical Research and Opinion
https://www.readbyqxmd.com/read/27775457/serum-vitamin-d-levels-in-children-with-vernal-keratoconjunctivitis
#20
Banu Bozkurt, Hasibe Artac, Hulya Ozdemir, Ali Ünlü, Mete Kaan Bozkurt, Murat Irkec
PURPOSE: To evaluate serum 25-hydroxyvitamin D [25(OH)D3] levels of vernal keratoconjunctivitis (VKC) children. METHODS: A total of 62 non-atopic healthy children (64.5% male, mean age 10.79 ± 3.3 years) and 29 VKC children (75.9%, mean age 12.17 ± 2.7 years) were included in the study. Serum 25(OH)D3 levels measured by HPLC were compared between the two groups and a p value of <0.05 was considered as statistically significant. RESULTS: The mean serum 25(OH)D3 level of VKC group was significantly lower than in the control group (11...
2018: Ocular Immunology and Inflammation
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