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https://www.readbyqxmd.com/read/28922308/large-retinal-pigment-epithelial-rip-associated-with-bullous-retinal-and-choroidal-detachment
#1
Jesse T McCann, Michael Engelbert
PURPOSE: To report a giant retinal pigment epithelium rip in a patient with a bullous retinal and choroidal detachment. METHODS: Case report with widefield imaging, fundus autofluorescence, and optical coherence tomography of the retina. RESULTS: This 62-year-old patient had a history of advanced glaucoma, trabeculectomy, blebitis, and endophthalmitis. He had cataract surgery 6 weeks before presentation. He was found to have a large bullous retinal and choroidal detachment with a large retinal pigment epithelium tear at the limit of the choroidal detachment...
October 2017: Retinal Cases & Brief Reports
https://www.readbyqxmd.com/read/28922055/nance-horan-syndrome-in-females-due-to-a-balanced-x-1-translocation-that-disrupts-the-nhs-gene-familial-case-report-and-review-of-the-literature
#2
Laura Gómez-Laguna, Alejandro Martínez-Herrera, Alejandra Del Pilar Reyes-de la Rosa, Constanza García-Delgado, Karem Nieto-Martínez, Fernando Fernández-Ramírez, Tania Yanet Valderrama-Atayupanqui, Ariadna Berenice Morales-Jiménez, Judith Villa-Morales, Susana Kofman, Alicia Cervantes, Verónica Fabiola Morán-Barroso
The Nance-Horan syndrome is an X-linked disorder characterized by congenital cataract, facial features, microcornea, microphthalmia, and dental anomalies; most of the cases are due to NHS gene mutations on Xp22.13. Heterozygous carrier females generally present less severe features, and up to 30% of the affected males have intellectual disability. We describe two patients, mother and daughter, manifesting Nance-Horan syndrome. The cytogenetic and molecular analyses demonstrated a 46,X,t(X;1)(p22.13;q22) karyotype in each of them...
September 18, 2017: Ophthalmic Genetics
https://www.readbyqxmd.com/read/28921670/circular-circular-regression-model-with-a-spike-at-zero
#3
Jayant Jha, Atanu Biswas
With reference to a real data on cataract surgery, we discuss the problem of zero-inflated circular-circular regression when both covariate and response are circular random variables and a large proportion of the responses are zeros. The regression model is proposed, and the estimation procedure for the parameters is discussed. Some relevant test procedures are also suggested. Simulation studies and real data analysis are performed to illustrate the applicability of the model.
September 18, 2017: Statistics in Medicine
https://www.readbyqxmd.com/read/28920779/ocular-findings-and-select-ophthalmic-diagnostic-tests-in-captive-american-white-pelicans-pelecanus-erythrorhynchos
#4
Matthew E Kinney, Aaron C Ericsson, Craig L Franklin, Rebecca E H Whiting, Jacqueline W Pearce
The aim of this study was to establish normal ophthalmic parameters for select diagnostic tests in American white pelicans (Pelecanuserythrorhynchos). Twenty-one zoo-housed American white pelicans were manually restrained for noninvasive ocular diagnostic testing and complete ophthalmic examination. Tear production quantification using the phenol red thread test (PRTT), fluorescein staining, and intraocular pressure (IOP) evaluation were performed. In addition, conjunctival aerobic bacterial culture and culture-independent 16S rRNA amplicon sequencing were performed on select eyes...
September 2017: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28919577/some-properties-of-three-%C3%AE-b-crystallin-mutants-carrying-point-substitutions-in-the-c-terminal-domain-and-associated-with-congenital-diseases
#5
Evgenia S Gerasimovich, Sergei V Strelkov, Nikolai B Gusev
Physico-chemical properties of G154S, R157H and A171T mutants of αB-crystallin (HspB5) associated with congenital human diseases including certain myopathies and cataract were investigated. Oligomers formed by G154S and A171T mutants have the size and apparent molecular weight indistinguishable from those of the wild-type HspB5, whereas the size of oligomers formed by R157H mutant is slightly smaller. All mutants are less thermostable and start to aggregate at a lower temperature than the wild-type protein...
September 14, 2017: Biochimie
https://www.readbyqxmd.com/read/28918826/islamic-medicine-in-the-middle-ages
#6
EDITORIAL
Hawa Edriss, Brittany N Rosales, Connie Nugent, Christian Conrad, Kenneth Nugent
The Islamic culture flourished between the 9th and 13th centuries. Scholars from this era made significant contributions in mathematics, science and medicine. Caliphs and physicians built hospitals that provided universal care and the foundation for medical education. Physician-scientists made significant advances in medical care, surgery and pharmacology. Notable authorities include al-Razi (865-925 CE) who wrote the Kitab al-Hawi fi al-tibb (The Comprehensive Book on Medicine), a 23-volume textbook that provided the main medical curriculum for European schools into the 14th century...
September 2017: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/28917414/chemical-and-physical-analysis-of-phaco-handpiece-tip-surfaces-before-and-after-cataract%C3%A2-surgery
#7
Paolo Cecchini, Rossella D'Aloisio, Manlio Antonuccio, Gianluca Turco, Federica Bondino, Elena Magnano, Marta Di Nicola, Daniele Tognetto
PURPOSE: To evaluate the surface chemical composition and roughness of different phaco tips before and after their use during cataract surgery. SETTING: Eye Clinic, University of Trieste, Trieste, Italy. DESIGN: Experimental study. METHODS: Of the 66 tips studied, 33 (15 new, 15 after single use, and 3 after multiple uses) were studied with X-ray photoemission spectroscopy and 33 (15 new, 15 after single use, and 3 after multiple uses) were examined using scanning electron microscopy with energy dispersive X-ray spectroscopy analysis and contact profilometry...
August 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28917409/methods-for-assessing-forward%C3%A2-and%C3%A2-backward-light-scatter%C3%A2-in%C3%A2-patients-with%C3%A2-cataract
#8
Alja Crnej, Nino Hirnschall, Con Petsoglou, Oliver Findl
PURPOSE: To compare objective methods for assessing backward and forward light scatter and psychophysical tests in patients with cataracts. SETTING: Moorfields Eye Hospital NHS Foundation Trust, London, United Kingdom. DESIGN: Prospective case series. METHODS: This study included patients scheduled for cataract surgery. Lens opacities were grouped into predominantly nuclear sclerotic, cortical, posterior subcapsular, and mixed cataracts...
August 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28917406/comparison-of-the-mechanical-properties-of-the-anterior-lens-capsule-in-senile-cataract-senile-cataract-with-trypan-blue-application-and-pseudoexfoliation-syndrome
#9
Cem Simsek, Sibel Oto, Gursel Yilmaz, Dilek Dursun Altinors, Ahmet Akman, Sirel Gur Gungor
PURPOSE: To evaluate the elastic modulus, hardness, and mechanical properties of the anterior lens capsule in different types of cataract and to assess the correlation with age. SETTING: Baskent University Hospital, Department of Ophthalmology, Ankara, Turkey. DESIGN: Prospective comparative study. METHODS: Patients were divided into 3 groups. Group 1 comprised patients with senile cataract, Group 2 patients had pseudoexfoliation (PXF) syndrome, and Group 3 patients had dye-enhanced cataract surgery...
August 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28917405/comparison-of-refractive-and-keratometric-astigmatism-after-microincision-cataract%C3%A2-surgery
#10
Atsushi Kawahara, Yoshinori Takayanagi
PURPOSE: To measure the correlation between refractive and keratometric astigmatism after microincision cataract surgery (MICS). SETTING: Takayanagi Clinic, Kushiro, Hokkaido, Japan. DESIGN: Retrospective case series. METHODS: This study evaluated patients having phacoemulsification and intraocular lens implantation through a 2.0 mm temporal clear corneal incision. Refractive astigmatism and keratometric astigmatism were described by Jackson cross-cylinder with-the-rule (J0) and oblique (J45) components and compared using linear regression analysis...
August 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28917404/clinical-course-and-outcomes-in-patients-with-mooren-ulcer-who-had-cataract-surgery
#11
Shilpa Das, Ashik Mohamed, Virender S Sangwan
PURPOSE: To report outcomes of cataract surgery in patients with Mooren ulcer. SETTING: L.V. Prasad Eye Institute, Hyderabad, India. DESIGN: Retrospective case series. METHODS: The medical records of patients with Mooren ulcer who had cataract surgery between 2000 and 2015 were assessed. The main outcome measures were the role of preoperative immunosuppression and disease inactivity, cataract surgery safety, visual outcomes, and postoperative ulcer recurrence...
August 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28917403/cataract-surgery-in-patients-with-late-onset-retinal-degeneration
#12
Vasileios T Papastavrou, Shyamanga Borooah, Jill M O'Brien, Neeta Ray-Chaudhuri, Baljean Dhillon, Rute V Vieira, Andrew C Browning
PURPOSE: To review the outcomes in a series of patients with long anterior lens zonular fibers associated with late-onset retinal degeneration who had phacoemulsification cataract surgery. SETTING: Newcastle Eye Centre, Newcastle upon Tyne, United Kingdom. DESIGN: Retrospective case series. METHODS: Inclusion criteria were patients with genetically confirmed late-onset retinal degeneration requiring cataract surgery...
August 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28917402/intracameral-mydriatics-versus-topical%C3%A2-mydriatics-in-pupil-dilation-for%C3%A2-phacoemulsification-cataract-surgery
#13
Amelia Lim Lay Suan, Jemaima Che Hamzah, Tan Soo Ken, Vanessa Naseem Mansurali
PURPOSE: To evaluate the efficacy and safety of intracameral mydriatics (lidocaine 1.0% and phenylephrine 1.5%) versus topical mydriatics (phenylephrine 2.5% and tropicamide 1.0%) in pupil dilation for phacoemulsification surgery in Malaysians. SETTING: Department of Ophthalmology, Penang General Hospital, Georgetown Penang, Malaysia. DESIGN: Prospective comparative case series. METHOD: Patients with immature cataract were randomized to the topical mydriatic group (topical group) or intracameral mydriatic group (intracameral group)...
August 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28917399/variability-in-angle-%C3%AE%C2%BA-and-its-influence-on%C3%A2-higher-order-aberrations-in%C3%A2-pseudophakic-eyes
#14
Annette Harrer, Nino Hirnschall, Juan Tabernero, Pablo Artal, Petra Draschl, Sophie Maedel, Oliver Findl
PURPOSE: To observe the variability in angle κ in pseudophakic patients and assess its correlation with optical biometry measurements and higher-order aberrations (HOAs). SETTING: Hanusch Hospital, Vienna, Austria. DESIGN: Prospective case series. METHODS: This study included patients who had cataract surgery 3 months to 1 year before study recruitment. In all cases, Purkinje meter images were taken. In addition, partial coherence interferometry measurement (IOLMaster) of the axial intraocular lens (IOL) position was performed...
August 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28917398/hydrogel-ocular-sealant-for-clear-corneal-incisions-in-cataract-surgery
#15
Nambi Nallasamy, Karen E Grove, Gary L Legault, Melissa B Daluvoy, Terry Kim
PURPOSE: To assess the relationship between use of a hydrogel ocular sealant (Resure) to secure clear corneal incisions (CCIs) in cataract surgery and surgeon efficiency, patient symptomatology, and postoperative results. SETTING: Duke University Eye Center, Durham, North Carolina, USA. DESIGN: Retrospective case series. METHODS: A 1:1 matched cohort of hydrogel sealant exposure-discordant eyes of cataract surgery patients was retrospectively generated...
August 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28916480/factors-associated-with-zonular-instability-during-cataract-surgery-in-eyes-with-acute-angle-closure-attack
#16
Junki Kwon, Kyung Rim Sung
PURPOSE: To compare the demographics and ocular characteristics, including anterior segment optical coherence tomography images and zonular instability in eyes with a history of acute angle closure (AAC) attack and subsequent cataract surgery. DESIGN: Retrospective, case-control study METHODS: Total 68 eyes of 56 patients with a history of AAC attack who underwent cataract surgery were enrolled. Fourteen eyes were assigned to the zonular instability (+) group and 54 were assigned to the zonular instability (-) group based on the presence of zonular instability during cataract surgery...
September 12, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28915807/descemet-membrane-detachment-in-femtosecond-laser-assisted-cataract-surgery-a-case-report
#17
Peiqing Chen, Yanan Zhu, Ke Yao
BACKGROUND: Femtosecond laser-assisted cataract surgery (FLACS) has grown in popularity among ophthalmologists as a novel technique. However, descemet membrane detachment (DMD) began to be found as the complication after FLACS. We report a case of serious DMD following FLACS due to the inappropriate incision design. CASE PRESENTATION: An 85-year-old man with apparent cornea arcus senilis underwent femtosecond laser-assisted cataract surgery in his right eye. A biplanar model was chosen for the main incision...
September 16, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28915799/analysis-of-various-factors-affecting-pupil-size-in-patients-with-glaucoma
#18
Ji Woong Park, Bong Hui Kang, Ji Won Kwon, Kyong Jin Cho
BACKGROUND: Pupil size is an important factor in predicting post-operative satisfaction. We assessed the correlation between pupil size, measured by Humphrey static perimetry, and various affecting factors in patients with glaucoma. METHODS: In total, 825 eyes of 415 patients were evaluated retrospectively. Pupil size was measured with Humphrey static perimetry. Comparisons of pupil size according to the presence of glaucoma were evaluated, as were correlations between pupil size and various factors, including age, logMAR best corrected visual acuity (BCVA), retinal nerve fiber layer (RNFL) thickness, spherical equivalent, intraocular pressure, axial length, central corneal thickness, white-to-white, and the kappa angle...
September 16, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28914688/femtosecond-laser-assisted-versus-phacoemulsification-for-cataract-extraction-and-intraocular-lens-implantation-clinical-outcomes-review
#19
Shaun Y Ewe, Robin G Abell, Brendan J Vote
PURPOSE OF REVIEW: Femtosecond laser-assisted cataract surgery (FLACS) has gained popularity in recent years with the new technology suggesting potential improvements in clinical and safety outcomes over conventional phacoemulsification cataract surgery (PCS). A decade since the advent of FLACS has given time and experience for laser technology to develop in maturity, and better quality evidence to become available. This review evaluates current evidence on the clinical and safety outcomes for FLACS in comparison to PCS...
September 12, 2017: Current Opinion in Ophthalmology
https://www.readbyqxmd.com/read/28914687/prevention-of-macular-edema-after-cataract-surgery
#20
Laura H P Wielders, Jan S A G Schouten, Rudy M M A Nuijts
PURPOSE OF REVIEW: Although cataract surgery can effectively restore visual function in many patients with cataract, pseudophakic cystoid macular edema (PCME) remains an important cause of suboptimal visual acuity. The present review provides an overview of the current literature on the prevention and treatment of PCME. RECENT FINDINGS: Optimal prevention of PCME starts preoperatively with a personalized risk assessment. Diabetes mellitus, retinal vein occlusion, epiretinal membrane, macular hole, and uveitis are the most important risk factors for developing cystoid macular edema after cataract surgery...
September 12, 2017: Current Opinion in Ophthalmology
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