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BMC Ophthalmology

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https://www.readbyqxmd.com/read/30021633/comparative-evaluation-of-refractive-outcomes-after-implantation-of-two-types-of-intraocular-lenses-with-different-diopter-intervals-0-25-diopter-versus-0-50-diopter
#1
Minjung Kim, Youngsub Eom, Jong Suk Song, Hyo Myung Kim
BACKGROUND: Intraocular lenses (IOLs) with different diopter (D) intervals may have different tolerance, and may provide different accuracy of refractive outcome after cataract surgery. The aim of the study is to compare the accuracy of refractive outcome after implantation of IOLs with different D intervals after cataract surgery. METHODS: A total of 80 eyes from 40 patients who underwent phacoemulsification with implantation of a 0.50 D interval Akreos AO IOL in one eye and a 0...
July 18, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/30016942/combined-transepithelial-phototherapeutic-keratectomy-and-corneal-collagen-cross-linking-for-corneal-ectasia-after-small-incision-lenticule-extraction-preoperative-and-3-year-postoperative-results-a-case-report
#2
Qingman Ge, Chuanbo Cui, Jing Wang, Guoying Mu
BACKGROUND: Corneal ectasia after small-incision lenticule extraction (SMILE) is uncommon. To our knowledge, this is the first report of 3-year results of combined phototherapeutic keratectomy (PTK) and corneal collagen cross-linking (CXL) for corneal ectasia after SMILE. CASE PRESENTATION: Herein, we describe a case of prominent corneal ectasia after SMILE treated with PTK combined with CXL 3 years ago. After surgery, maximum corneal keratometry, mean corneal keratometry, spherical equivalent and uncorrected distance visual acuity were significantly improved at follow-up intervals...
July 17, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/30012105/optical-coherence-tomography-patterns-and-outcomes-of-contusion-maculopathy-caused-by-impact-of-sporting-equipment
#3
Danjie Li, Hideo Akiyama, Shoji Kishi
BACKGROUND: To describe the patterns and outcomes of contusion maculopathy after ocular contusions resulting from accidental impact with sporting equipment. METHODS: We conducted a retrospective study of interventional case series. PATIENT POPULATION: Twenty-one eyes of 21 patients who sustained blunt ocular trauma while playing a sport. Intervention/Observation Procedure(s): Surgery or observation by optical coherence tomography (OCT). MAIN OUTCOME MEASURE(S): The morphologic changes within the macula in the early stages after injury and changes in visual function in the early and recovery stages after injury...
July 16, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/30005697/intrapapillary-hemorrhage-with-concurrent-peripapillary-and-vitreous-hemorrhage-in-two-healthy-young-patients
#4
In Hee Moon, Sung Chul Lee, Min Kim
BACKGROUND: Cases of intrapapillary hemorrhage with adjacent peripapillary subretinal hemorrhage usually appear in myopic eyes with tilted optic discs, can improve without any specific treatment, and very rarely recur. But there has been no report of the use of advanced multimodal imaging such as spectral domain optical coherence tomography. We describe two rare cases of intrapapillary hemorrhage with adjacent peripapillary subretinal hemorrhage in an 11-year-old female and a 16-year-old male...
July 13, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/30005634/effect-of-incision-on-visual-outcomes-after-implantation-of-a-trifocal-diffractive-iol
#5
Shasha Xue, Guiqiu Zhao, Xiaoni Yin, Jing Lin, Cui Li, Liting Hu, Lin Leng, Xuejiao Yang
BACKGROUND: To evaluate visual acuity, corneal astigmatism and corneal higher-order aberrations (HOAs) after implantation of trifocal diffractive IOLs operated with either a corneal steep-axis incision or 135° incision. METHOD: This prospective study enrolled patients randomly assigned to different groups. According to preoperative corneal astigmatism, 101 eyes of 77 patients were assigned into group A1 (0 ~ 0.50 D) or A2 (0.51 ~ 1.00 D) with a corneal steep-axis incision or group B1 (0 ~ 0...
July 13, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/30005628/evaluation-of-peripapillary-choroidal-distribution-in-children-by-enhanced-depth-imaging-optical-coherence-tomography
#6
Yi Zha, Jinfei Zhuang, Yixia Du, Jianqiu Cai, Haihua Zheng
BACKGROUND: To evaluate the peripapillary choroidal thickness (PPCT) in Chinese children aged 6 to 12 years old and to analyze correlative factors. METHODS: PPCT was measured with enhanced depth imaging optical coherence tomography (EDI-OCT) in 154 children (76 myopes and 78 emmetropia) aged 6 to 12 years, with spherical equivalent refractive errors between + 0.50 and - 5.50 diopters(D). Peripapillary choroidal imaging was performed using circular scans of a diameter of 3...
July 13, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/30005593/phospholipase-c%C3%AE-2-is-critical-for-ca-2-flux-and-cytokine-production-in-anti-fungal-innate-immunity-of-human-corneal-epithelial-cells
#7
Xudong Peng, Guiqiu Zhao, Jing Lin, Jianqiu Qu, Yingxue Zhang, Cui Li
BACKGROUND: Fungal keratitis (FK) is a sight-threatening disease, accounting for a significant portion with its complex presentation, suboptimal efficacy of the existing therapies and uncontrollable excessive innate inflammation. Phospholipase C-γ2 (PLCγ2) is a non-receptor tyrosine kinase that plays an important role at the early period of innate immunity. This study aimed to identify the role of PLCγ2 in Dectin-1-mediated Ca2+ Flux and its effect on the expression of proinflammatory mediators at the exposure to Aspergillus fumigatus (A...
July 13, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29996804/assessment-of-the-effect-of-age-on-macular-layer-thickness-in-a-healthy-chinese-cohort-using-spectral-domain-optical-coherence-tomography
#8
Qian Xu, Ying Li, Ying Cheng, Yi Qu
BACKGROUND: To determine the effect of age on the thickness of individual retinal and choroidal vascular layers in the macula in an ophthalmologically healthy Chinese cohort by using spectral-domain optical coherence tomography (SD-OCT). METHODS: In all, 525 health eyes of 525 subjects were examined with SD-OCT. The instrument automatically obtained the regional retinal thickness of 8 layers. Subfoveal choroidal vascular layers' thickness was measured using enhanced depth imaging mode...
July 11, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29996798/comparison-of-different-settings-for-yellow-subthreshold-laser-treatment-in-diabetic-macular-edema
#9
Jay Chhablani, Rayan Alshareef, David Ta Kim, Raja Narayanan, Abhilash Goud, Annie Mathai
BACKGROUND: To assess the safety and efficacy of two subthreshold parameters (5 and 15% duty cycle (DC)) compared to standard ETDRS (early treatment of diabetic retinopathy study) continuous wave (CW) laser. METHODS: In this prospective randomized study, 30 eyes from 20 patients with non-center involving macular edema were randomized into 3 different groups: 5% DC, 15% DC and CW navigated modified ETDRS laser treatment. Titration in subthreshold groups was performed with 30% of the threshold power, decided with microsecond pulses...
July 11, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29996791/preoperative-preparation-of-eye-with-chlorhexidine-solution-significantly-reduces-bacterial-load-prior-to-23-gauge-vitrectomy-in-swedish-health-care
#10
Nasser J Gili, Torbjörn Noren, Eva Törnquist, Sven Crafoord, Anders Bäckman
BACKGROUND: Bacteria in the conjunctiva present a potential risk of vitreous cavity infection during 23-gauge pars plana vitrectomy (PPV). Current preoperative procedures used in Sweden include irrigation with chlorhexidine solution (CHX) 0.05% only and no iodine solutions. We evaluated the bacterial diversity and load before and after this single antibacterial measure. METHODS: In a prospective, consecutive cohort we investigated bacterial growth in samples from 40 eyes in 39 consecutive individuals subjected to vitrectomy...
July 11, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29986674/phacoemulsification-with-hydrodelineation-and-ovd-assisted-hydrodissection-in-posterior-polar-cataract
#11
Xia Hua, Yongxiao Dong, Jianying Du, Jin Yang, Xiaoyong Yuan
BACKGROUND: To evaluate the results and complications of phacoemulsification with hydrodelineation and ophthalmic viscosurgical device (OVD)-assisted hydrodissection for posterior polar cataract (PPC). METHODS: Medical records of 24 eyes from 17 patients with clinical diagnosis of PPC, who underwent phacoemulsification with hydrodelineation and OVD-assisted hydrodissection, were retrospectively reviewed. RESULTS: The incidence of posterior capsule rupture (PCR) was 16...
July 9, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29986671/influence-of-pterygium-size-on-corneal-higher-order-aberration-evaluated-using-anterior-segment-optical-coherence-tomography
#12
Keiichiro Minami, Tadatoshi Tokunaga, Keiichiro Okamoto, Kazunori Miyata, Tetsuro Oshika
BACKGROUND: The prospective observation study aimed to evaluate changes in corneal higher-order aberrations induced by advancement of pterygium using an anterior-segment optical coherence tomography (AS-OCT) and Zernike aberration analysis. METHODS: The corneal topography of 284 eyes with primary pterygia originating from the nasal region was measured using an AS-OCT (SS-1000, Tomey). With anterior corneal elevation data, Zernike polynomial coefficients were calculated in diameters of 1...
July 9, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29981573/a-comparison-between-topical-and-retrobulbar-anesthesia-in-27-gauge-vitrectomy-for-vitreous-floaters-a-randomized-controlled-trial
#13
Rong Han Wu, Rui Zhang, Zhong Lin, Qi Hua Liang, Nived Moonasar
BACKGROUND: To compare the safety and efficacy of topical anesthesia versus retrobulbar anesthesia in 27-gauge pars plana vitrectomy (PPV) for vitreous floaters. METHODS: 30 patients with vitreous floaters were randomized into Group T (topical anesthesia, proparacaine eye drop) and Group R (retrobulbar anesthesia), and underwent 27-gauge PPV. A 5-point visual analogue pain scale (VAPS) was used to assess patients' pain experience of anesthesia and surgery procedure (during surgery, 2 h and 1 day after surgery)...
July 7, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29980187/analysis-of-pre-operative-factors-affecting-range-of-optimal-vaulting-after-implantation-of-12-6-mm-v4c-implantable-collamer-lens-in-myopic-eyes
#14
Hun Lee, David Sung Yong Kang, Jin Young Choi, Byoung Jin Ha, Eung Kweon Kim, Kyoung Yul Seo, Tae-Im Kim
BACKGROUND: To evaluate clinical factors affecting postoperative vaulting in eyes that had achieved optimal vaulting within the range of 250-750 μm following implantation of 12.6-mm V4c implantable collamer lenses (ICL). METHODS: A total of 236 eyes of 236 patients that had achieved optimal vaulting following implantation of a 12.6-mm V4c ICL were retrospectively analyzed. Associations between postoperative vaulting and age, preoperative anterior chamber depth (ACD), preoperative axial length (AL), preoperative white-to-white diameter, preoperative pupil size, preoperative sulcus-to-sulcus diameter, and preoperative manifest refraction spherical equivalent were investigated using simple regression, stepwise multiple regression, and multinomial logistic regression analyses...
July 6, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29970067/femtosecond-laser-assisted-cataract-surgery-with-implantation-of-a-diffractive-trifocal-intraocular-lens-after-laser-in-situ-keratomileusis-a-case-report
#15
Wei Wang, Shuang Ni, Xi Li, Xiang Chen, Yanan Zhu, Wen Xu
BACKGROUND: We report for the first time, a case of femtosecond laser-assisted cataract surgery (FLACS) with implantation of a diffractive trifocal intraocular lens (IOL) after laser in situ keratomileusis (LASIK). CASE PRESENTATION: A 60-year-old man underwent FLACS uneventfully 15 years after myopic LASIK. An AT Lisa tri 839MP IOL was implanted with the expectation of spectacle independence. The Haigis-L formula was chosen for calculation of the IOL power and it provided reliable results...
July 3, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29970061/igg4-related-ophthalmic-disease-involving-extraocular-muscles-case-series
#16
Namju Kim, Hee Kyung Yang, Jae Hyoung Kim, Jeong-Min Hwang
BACKGROUND: To elucidate the clinical features of strabismus associated with IgG4-related ophthalmic disease (IgG4-ROD). All of the four patients with IgG4-ROD showed marked enlargement of the extraocular muscles, however, two patients showed orthotropia with full ductions and versions. One patient showed a small angle of exotropia and hypertropia of less than 5 prism diopters. One remaining patient showed orthotropia, full ductions and versions despite marked enlargement of the extraocular muscles, then developed hypertropia up to 35 prism diopters with activation of inflammation, which promptly improved after treatment with oral steroids...
July 3, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29970057/the-increasing-prevalence-of-myopia-and-high-myopia-among-high-school-students-in-fenghua-city-eastern-china-a-15-year-population-based-survey
#17
MULTICENTER STUDY
Min Chen, Aimin Wu, Lina Zhang, Wei Wang, Xinyi Chen, Xiaoning Yu, Kaijun Wang
BACKGROUND: Myopia is the leading cause of preventable blindness in children and young adults. Multiple epidemiological studies have confirmed a high prevalence of myopia in Asian countries. However, fewer longitudinal studies have been performed to evaluate the secular changes in the prevalence of myopia, especially high myopia in China. In the present study, we investigated trends in the prevalence of myopia among high school students in Fenghua city, eastern China, from 2001 to 2015...
July 3, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29970039/evaluation-of-the-effectiveness-of-combined-femtosecond-laser-assisted-cataract-surgery-and-femtosecond-laser-astigmatic-keratotomy-in-improving-post-operative-visual-outcomes
#18
Jing Wang, Jiangyue Zhao, Jun Xu, Jinsong Zhang
BACKGROUND: To determine postoperative refractive and visual outcomes and astigmatic changes after femtosecond laser astigmatic keratotomy in femtosecond laser-assisted cataract surgery (FLACS). METHODS: This was a prospective interventional case series. Patients with age-related cataract and corneal astigmatism (1.0-3.0D) were treated with FLACS and femtosecond laser astigmatic keratotomy (FSAK). All patients underwent examinations before and 3 months after surgery; visual acuity, subjective and objective refraction, and corneal astigmatism were evaluated and recorded for all patients by using an OPD-Scan III topographer...
July 3, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29954361/prevalence-of-depression-and-anxiety-among-participants-with-glaucoma-in-a-population-based-cohort-study-the-gutenberg-health-study
#19
J Rezapour, S Nickels, A K Schuster, M Michal, T Münzel, P S Wild, I Schmidtmann, K Lackner, A Schulz, N Pfeiffer, M E Beutel
BACKGROUND: To investigate the prevalence of depression and anxiety among subjects with self-reported glaucoma and the association between self-reported glaucoma and depression respectively anxiety in a European cohort. METHODS: A study sample of 14,657 participants aged 35 to 74 years was investigated in a population-based cohort study. All participants reported presence or absence of glaucoma. Ophthalmological examinations were carried out in all participants and demographic and disease related information were obtained by interview...
June 28, 2018: BMC Ophthalmology
https://www.readbyqxmd.com/read/29954352/highly-suspected-primary-intraocular-lymphoma-in-a-patient-with-rheumatoid-arthritis-treated-with-etanercept-a-case-report
#20
Woo Keun Song, Ah Ran Cho, Young Hee Yoon
BACKGROUND: To describe a case of highly suspected primary intraocular lymphoma (PIOL) in a patient using etanercept for the treatment of rheumatoid arthritis. CASE PRESENTATION: A 50-year-old female patient presented with decreased vision in her left eye that lasted for a week. She had a 15-year history of seropositive rheumatoid arthritis (RA), and had been taking weekly etanercept for the preceding 8 months. Funduscopic examination and SD-OCT showed a swollen ellipsoid zone (EZ) and a retinal pigment epithelium (RPE) irregularity of the right eye...
June 28, 2018: BMC Ophthalmology
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