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BMC Ophthalmology

Alemayehu Desalegn, Asamer Tsegaw, Destaye Shiferaw, Haile Woretaw
BACKGROUND: Refractive error is the main cause of visual impairment in the world. Spectacles are the most frequently used options for correcting refractive errors. In addition, they can be used for protection and fashion. It is the simplest, cheapest and only method used in developing countries like Ethiopia. This study aims to explore the knowledge, attitude, practice and associated factors towards spectacles use among adult population of Gondar town, northwest Ethiopia. METHODS: Community based cross sectional study was conducted on 780 participants using a pre-tested structured questionnaire in Gondar...
October 21, 2016: BMC Ophthalmology
Yuichiro Ishida, Yasuhiro Takahashi, Emiko Takahashi, Yoshiyuki Kitaguchi, Hirohiko Kakizaki
BACKGROUND: This is the third reported case of a steatocystoma simplex in the lacrimal caruncle. CASE PRESENTATION: A 60-year-old male presented with a history of a slowly progressing mass in the right lacrimal caruncle since several years before his initial visit. At the first examination, a yellowish, relatively smooth surface mass was observed in the right lacrimal caruncle. The caruncular mass was completely removed under local anesthesia. The pathological findings of this mass were consistent with a steatocystoma...
October 19, 2016: BMC Ophthalmology
Mo Yang, Wei Wang, Quangang Xu, Shaoying Tan, Shihui Wei
BACKGROUND: The aim of this study was to determine the interocular differences in the peripapillary retinal nerve fibre layer (RNFL), peripapillary choroidal thickness (PCT) and subfoveal choroidal thickness (SFCT) in healthy adults with isometropia, using enhanced depth imaging optical coherence tomography (EDI SD-OCT). METHODS: One hundred healthy Chinese adults with spherical equivalents of ≤ ±3 dioptres and interocular differences of <0.5 dioptres were prospectively enrolled in this study...
October 19, 2016: BMC Ophthalmology
Haiying Jin, Qi Zhang, Peiquan Zhao
BACKGROUND: To introduce a modified surgical technique, the "parafoveal multiple curvelinear internal limiting membrane (ILM) peeling", to preserve epi-foveal ILM in myopic foveoschisis surgery. METHODS: Consecutive patients with myopic foveoschisis were enrolled in the present prospective interventional case series. The surgeries were performed using transconjunctival 23-gauge system. The macular area was divided into quadrants. ILM was peeled off in a curvilinear manner centered around the site that was away from the central fovea in each quadrant...
October 18, 2016: BMC Ophthalmology
Malik Y Ghannam, Mohammed Naseemuddin, Peter Weiser, John O Mason
BACKGROUND: Acute Multifocal Hemorrhagic Retinal Vasculitis (AMHRV) is a rare disease with unknown incidence that presents with abrupt onset of visual loss associated with retinal vasculitis, retinal hemorrhage, non-confluent posterior retinal infiltrates, vitreous cellular inflammation and papillitis in, otherwise, healthy adult individuals. The reported treatment options for Acute Multifocal Hemorrhagic Retinal Vasculitis are oral corticosteroids, intravitreal ganciclovir and laser photocoagulation or vitrectomy...
October 18, 2016: BMC Ophthalmology
Young Cheong Kim, Mi Sun Sung, Hwan Heo, Sang Woo Park
BACKGROUND: To compare refractive outcomes after cataract surgery between patients with closed-angle and open-angle glaucoma and evaluate the influence of preoperative factors on refractive outcomes in patients with glaucoma. METHODS: Patients diagnosed with glaucoma and who underwent uncomplicated cataract surgery were enrolled in this retrospective observational study. We collected data including age, history of prior laser peripheral iridotomy and trabeculectomy, type of glaucoma, manifest refraction, intraocular pressure, axial length, and various anterior segment parameters using anterior-segment optical coherence tomography...
October 18, 2016: BMC Ophthalmology
Takashi Suzuki, Naoyuki Morishige, Reiko Arita, Shizuka Koh, Tohru Sakimoto, Rika Shirakawa, Kazunori Miyata, Yuichi Ohashi
BACKGROUND: Phlyctenular keratitis is a hypersensitivity reaction of the cornea, and a complication of eyelid margin disease in children and young adults. In this study, we compared the morphology of the meibomian glands in eyelids between phlyctenular keratitis patients and healthy young adults, using noncontact meibography. METHODS: The study included 16 eyes of 13 patients diagnosed with phlyctenular keratitis and 17 eyes of 17 healthy volunteers. Slit-lamp observations of the cornea and eyelid were performed on all subjects...
October 10, 2016: BMC Ophthalmology
Ji-Sun Paik, Su-Ah Kim, Shin Hae Park, Suk-Woo Yang
BACKGROUND: We examined the effect of surgical repair on the pattern of refractive errors in Korean patients with congenital blepharoptosis. METHODS: We reviewed the clinical records of 54 patients with congenital blepharoptosis who attended our hospital from 2006 to 2012 and underwent a detailed refractive examination before and after ptosis repair surgery. Among them, 21 of the patients whose refractive data was available for both before and after the surgery were included in order to observe the effect of ptosis repair surgery on refractive error characteristics...
October 8, 2016: BMC Ophthalmology
Sang-Mok Lee, Hyuk Jin Choi, Heejin Choi, Mee Kum Kim, Won Ryang Wee
: BACKGROUND: Though the development and fitting of scleral contact lenses are expanding steadily, there is no simple method to provide scleral metrics for scleral contact lens fitting yet. The aim of this study was to establish formulae for estimation of the axial radius of curvature (ARC) of the anterior sclera using ocular biometric parameters that can be easily obtained with conventional devices. METHODS: A semi-automated stitching method and a computational analysis tool for calculating ARC were developed by using the ImageJ and MATLAB software...
October 7, 2016: BMC Ophthalmology
Jun Shimazaki, Chika Shigeyasu, Yumiko Saijo-Ban, Murat Dogru, Seika Den
BACKGROUND: To assess the efficacy of bandage contact lens (BCL) application to promote epithelialization and alleviate pain following corneal transplantation. METHODS: Twenty-six consecutive patients who underwent corneal transplantation were randomly assigned to undergo BCL application (BCL group, n = 14) or no BCL application (control group, n = 12) at the end of the surgery. Corneal epithelialization was analyzed by photography using fluorescein staining, and ocular pain was measured using a visual analog scale...
October 6, 2016: BMC Ophthalmology
Ping-Bo Ou-Yang, Xin Qi, Xuan-Chu Duan
BACKGROUND: The giant filtering bleb encroaching onto the corneal surface is a rare occurrence in our and other's clinical experience (Kapoor and Syed, Int. Ophthalmol 31(5):403-404, 2011), even in patients having had a trabeculectomy with mitomycin C, and how it developed is debated. In this paper, we report a patient who developed a huge overhanging filtering bleb after trabeculectomy, and present our intraoperative photographs, histopathology and immunohistochemistry results. CASE PRESENTATION: A 62-year-old female visited our hospital due to the giant filtering bleb encroaching onto the corneal surface which was about 6 mm × 8 mm × 3 mm...
October 6, 2016: BMC Ophthalmology
Ma'an Abdullah Al-Barry, Alia M Albalawi, Mohammed Abu Sayf, Abdulrahman Badawi, Sibtain Afzal, Muhammad Latif, Mohammed I Samman, Sulman Basit
BACKGROUND: VKH is a rare autoimmune disease. Decreased level of vitamin D has recently been found to be involved in the pathogenesis of Vogt-Koyanagi-Harada (VKH) disease. This study was designed to screen the vitamin D pathway genes for pathogenic mutations, if any, in VKH patients. METHODS: Genomic DNA was extracted from blood samples collected from patients with VKH disease and healthy controls. Entire coding region, exon-intron junctions of four genes were sequenced in DNA from 39 Saudi VKH patients and 50 ethnically matched healthy individuals...
October 4, 2016: BMC Ophthalmology
Ke Zheng, Tian Han, Xingtao Zhou
BACKGROUND: To investigate accommodative response and accommodative lag changes after femtosecond laser small incision lenticule extraction (SMILE) for moderate to high myopia correction. METHODS: A total of 32 eyes of 32 patients with no strabismus who underwent SMILE were enrolled in this prospective clinical study. The accommodative response was obtained viewing monocularly with spherical equivalent refractive error corrected, using an open-field autorefractor at different stimulus levels (2...
October 4, 2016: BMC Ophthalmology
Koji Komatsu, Tsutomu Sakai, Toshikatsu Kaburaki, Hideki Tsuji, Hiroshi Tsuneoka
BACKGROUND: In 2014, Pang et al. reported three cases with vitelliform submaculopathy as a preceding lesion of primary intraocular lymphoma (PIOL). Here, we report a case with an atypical presentation of PIOL who initially presented with vitelliform submaculopathy, vitreous haze and preripheral retinal focus. CASE PRESENTATION: A 73-year-old female initially visited another hospital with a chief complaint of acute reduced vision in the right eye. Funduscopic examination of the right eye showed a yellowish retinal lesion at the fovea with vitreous haze and retinal foci scattered in the peripheral region...
October 3, 2016: BMC Ophthalmology
Menelaos G Kanakis, Helen Michelakakis, Petros Petrou, Chrysanthi Koutsandrea, Ilias Georgalas
BACKGROUND: Maple syrup urine disease (MSUD) is a rare metabolic disorder, affecting the metabolism of branched chain amino-acids (Valine, Leukine, Isoleukine). We present a rare case of rhegmatogenous retinal detachment (RRD) in a MSUD patient. CASE PRESENTATION: We performed amino acid analysis of aqueous humour, vitreous and serum samples obtained during surgery from a 24 year old female MSUD patient successfully operated on RRD. Serum values for a-amino-butyric acid, valine, isoleucine, leucine, tyrosine, phenylalanine, ornithine and histidine were low, while values for citrulline, methionine and lysine were borderline low, all attributed to the patient's special diet...
October 3, 2016: BMC Ophthalmology
Dordi Austeng, Tora Sund Morken, Stine Bolme, Turid Follestad, Vidar Halsteinli
BACKGROUND: Intravitreal injections (IVI) of anti-vascular endothelial growth factor (anti-VEGF) now improve or stabilize visual acuity in a number of previously untreatable eye diseases, of which the main are age-related macular degeneration, retinal vein occlusion and diabetic macular edema. Most patients require multiple injections over lengthy periods of time and the prevalence of treatable conditions is increasing. Anti-VEGF IVI normally administered by physicians, therefore represent a considerable workload on ophthalmologic clinics and will continue to do so in the near future...
October 1, 2016: BMC Ophthalmology
Dereje Hayilu, Kbrom Legesse, Natinael Lakachew, Mulusew Asferaw
BACKGROUND: Vernal keratoconjunctivitis (VKC) is a common cause of ocular morbidity in children in warm dry climates such as Sub-Saharan Africa and accounts for about 3 % of serious ophthalmic cases in tropical countries. The purpose of this study was to assess the prevalence and associated factors of vernal keratoconjunctivitis among children living in Gondar City, Ethiopia. METHODS: A Cross Sectional Design study was carried out in 737 children under the age of 18 years in Gondar City from April to May 2015...
September 29, 2016: BMC Ophthalmology
Hongxu Zhang, Jianguang Zhong, Zhenyu Bian, Xiang Fang, You Peng, Yongping Hu
BACKGROUND: Evidences have identified the correlation of 8-oxoguanine DNA glycosylase-1 (OGG1) and eph-receptor tyrosine kinase-type A2 (EPHA2) polymorphisms in age-related cataract (ARC) risk. However, the results were not consistent. The objective of this study was to examine the role of these two gene polymorphisms in ARC susceptibility. METHODS: Eligible case-control studies published between January 2000 and 2015 were searched and retrieved in the electronic databases...
September 29, 2016: BMC Ophthalmology
Tihtina Kibret, Adane Bitew
BACKGROUND: Fungal keratitis is an important cause of corneal blindness all over the world. Although there are several reports on fungal keratitis from developing and developed countries, fungal keratitis in Ethiopia is poorly known. The aim of this study was to determine the prevalence of fungal keratitis and spectrum of fungi implicated in causing the infection. METHODS: The present study was a single institutional cross-sectional study carried out in Minilik II Memorial Hospital eye clinic, Addis Ababa, Ethiopia from September 2014 to August 2015...
August 30, 2016: BMC Ophthalmology
Yaoyao Sun, Yong Liang, Peng Zhou, Huijuan Wu, Xianru Hou, Zeqin Ren, Xiaoxin Li, Mingwei Zhao
BACKGROUND: To present a comprehensive approach for the management of patients with neovascular glaucoma (NVG) aiming to preserve visual function and complement pan-retinal photocoagulation (PRP) by anti-vascular endothelial growth factor (anti-VEGF) treatment and anti-glaucoma surgery. METHODS: This study includes a prospective, interventional case series. A process flow chart for NVG management was designed. Totally 50 patients (51 eyes) with NVG were included...
August 30, 2016: BMC Ophthalmology
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