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Corneal surgery

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https://www.readbyqxmd.com/read/28333880/twenty-five-gauge-pars-plana-vitrectomy-in-complex-retinal-detachments-associated-with-giant-retinal-tear
#1
Vinod Kumar, Devesh Kumawat, Anju Bhari, Parijat Chandra
PURPOSE: To study the structural and functional outcomes of 25-gauge pars plana vitrectomy in giant retinal tear-associated retinal detachments. METHODS: Seventeen eyes of 17 patients with giant retinal tear, who underwent 25-gauge pars plana vitrectomy over a period of 15 months at a tertiary eye care center by a single surgeon, were recruited in this retrospective interventional study. RESULTS: Giant retinal tears were mostly traumatic (35...
March 22, 2017: Retina
https://www.readbyqxmd.com/read/28328814/clinical-outcomes-of-new-toric-trifocal-diffractive-intraocular-lens-in-patients-with-cataract-and-stable-keratoconus-six-months-follow-up
#2
Doroodgar Farideh, Sanginabadi Azad, Niazi Feizollah, Niazi Sana, Alinia Cyrus, Ghoreishi Mohammad, Baradaran-Rafii Alireza
PURPOSE: To evaluate the clinical results of toric trifocal diffractive intraocular lens in eyes with cataract and mild keratoconus. METHODS: Five keratoconus patients (10 eyes) that had bilateral AT LISA 939 implantation were selected and had followed in 3-time horizons of 1, 3, and 6 months. Patients were 46 to 65 years old age, corneal astigmatism of (2.00 D at 6.75 D) and cataract that all of them needed cataract surgery. The distance, intermediate and near visual acuities, defocus curve, ocular aberrations, contrast sensitivity, were measured as effectiveness criteria...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28326192/differences-in-surgical-management-of-corneal-perforations-measured-over-six-years
#3
Katarzyna Krysik, Dariusz Dobrowolski, Anita Lyssek-Boron, Judyta Jankowska-Szmul, Edward A Wylegala
Purpose. To report the surgical approach, anatomical and functional results, and complications in the group of patients with corneal perforation. Materials and Methods. 247 eyes with corneal perforation were operated on between January 2010 and July 2016. The three surgical procedures, dependent on size and location of perforation, were performed: full-sized penetrating keratoplasty, corneoscleral patch graft, and anterior lamellar keratoplasty. The eyes underwent the minimum 6-month follow-up visit. Results...
2017: Journal of Ophthalmology
https://www.readbyqxmd.com/read/28317684/comparison-of-the-performance-and-safety-of-2-ophthalmic-viscosurgical-devices-in-cataract-surgery
#4
Gerd U Auffarth, Florian N Auerbach, Tanja Rabsilber, José A Gegúndez, Ricardo Cuiña, Yves Renard, Paolo Vinciguerra, Fabrizio Camesasca, Francoise Van Cauwenberge, Thierry Amzallag, Gysbert Van Setten, Mike P Holzer
PURPOSE: To compare the clinical performance and safety of 2 ophthalmic viscosurgical devices (OVDs)-Twinvisc (OVD 1) and Duovisc (OVD 2)-in cataract surgery. SETTING: European multicenter study. DESIGN: Prospective randomized controlled study. METHODS: Patients with cataract had phacoemulsification and intraocular lens implantation in 1 eye. They were randomly assigned to receive OVD 1 or OVD 2. Preoperative and postoperative examinations over 3 months included mean intraocular pressure (IOP), incidence of IOP peaks (≥30 mm Hg and ≥24 mm Hg), endothelial cell count (ECC), corneal thickness, and intraocular inflammation...
January 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28317683/new-technique-for-femtosecond-laser-creation-of-clear-corneal-incisions-for-cataract-surgery
#5
Sebastiano Serrao, Daniela Giannini, Domenico Schiano-Lomoriello, Giuseppe Lombardo, Marco Lombardo
PURPOSE: To evaluate the changes in corneal topography and corneal higher-order wavefront aberrations with the use of a new technique in which clear corneal incisions (CCIs) for cataract surgery are created with a femtosecond laser. SETTING: IRCCS Fondazione G.B. Bietti, Rome, Italy. DESIGN: Prospective randomized case series. METHODS: Cataract surgery patients were randomized into 2 groups. In the study group, a 3-plane CCI was created with a femtosecond laser...
January 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28317677/trends-in-cataract-surgery-training-curricula
#6
Mona Lotfipour, Ramunas Rolius, Erik B Lehman, Seth M Pantanelli, Ingrid U Scott
PURPOSE: To evaluate trends in cataract surgery training curricula and factors affecting timing of resident participation as a primary surgeon. SETTING: Pennsylvania State College of Medicine, Hershey, Pennsylvania, USA. DESIGN: Cross-sectional study of anonymous survey results. METHODS: A description of the study and link to an online survey was e-mailed to program directors of each ophthalmology residency training program accredited by the Accreditation Council for Graduate Medical Education (ACGME)...
January 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28316190/-allogeneic-cultured-limbal-epithelial-transplantation-a-clinical-observation-of-its-treatment-effects-on-large-conjunctival-lesions
#7
J Cheng, J Y Wang, H Y Duan, S Wang, L Cong, L X Xie
Objective: To introduce the surgical methods and investigate the treatment effects of conjunctival lesion resection combined with transplantation of allogeneic limbal epithelia cultured in vitro for treatment of varied large conjunctival lesions. Methods: A retrospective analysis of case data of the patients receiving transplantation of allogeneic limbal epithelia cultured in vitro for large conjunctival lesions at Qingdao Eye Hospital from January 2013 to December 2015 was conducted. Fresh donor corneal limbal epithelial tissues were obtained for cellular digestion and isolation...
March 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28303357/long-term-surgical-outcome-of-conventional-trabeculotomy-for-childhood-glaucoma
#8
Hiroko Ozawa, Mio Yamane, Eisuke Inoue, Tomoyo Yoshida-Uemura, Satoshi Katagiri, Tadashi Yokoi, Sachiko Nishina, Noriyuki Azuma
PURPOSE: To investigate the long-term surgical outcomes of conventional trabeculotomy in eyes with childhood glaucoma in a Japanese population. METHODS: In this retrospective observational study, we enrolled Japanese patients with childhood glaucoma who underwent a conventional trabeculotomy at least once before age 3 years from 1986 to 2014 in our hospital. RESULTS: One hundred seven eyes of 64 patients (24 girls, 40 boys; mean age, 2.8 ± 5...
March 16, 2017: Japanese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28300735/comparison-of-femtosecond-laser-assisted-descemetic-and-predescemetic-lamellar-keratoplasty-for-keratoconus
#9
Yan Lu, Ana Beatriz Diniz Grisolia, Yi-Rui Ge, Chun-Yan Xue, Qian Cao, Li-Ping Yang, Zhen-Ping Huang
PURPOSE: The purpose of this study is to compare the outcomes following femtosecond laser-assisted deep anterior lamellar keratoplasty (DALK) with 75% of stromal dissection (predescemetic group) and femtosecond laser-assisted DALK using big-bubble technique with total stromal resection (descemetic group) for the treatment of keratoconus. SUBJECTS AND METHODS: Twenty eyes of 17 patients with keratoconus were studied. There were 10 eyes of 9 patients in predescemetic group and 10 eyes of 8 patients in descemetic group...
January 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28299005/preliminary-results-of-femtosecond-laser-assisted-cataract-surgery-in-a-private-clinic-in-iran
#10
Farhad Nejat, Sara Sarahati, Sahar Mojaled Nobari, Khosrow Jadidi, Mostafa Naderi, Mohammad Amin Nejat
PURPOSE: To report the preliminary results of femtosecond laser-assisted cataract surgery in Iranian patients. METHODS: This prospective case series included 21 eyes of 21 patients with cataract. Mean patient age was 66.7 ± 10 years. The patients underwent femtosecond-laser assisted cataract surgery (VICTUS Femtosecond Laser Platform: Bausch + Lomb) and intraocular lens (IOL) implementation in Bina Eye Hospital, Tehran, Iran between May and October, 2014. Visual outcomes, intraocular pressure (IOP), and complications were evaluated three months after surgery...
January 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28299003/comparison-between-two-scheimpflug-anterior-segment-analyzers
#11
Alireza Baradaran-Rafii, Tahmineh Motevasseli, Forouzan Yazdizadeh, Farid Karimian, Sahba Fekri, Amir Baradaran-Rafii
PURPOSE: To compare the anterior segment indices measured by two Scheimpflug camera machines; Galilei and Pentacam. METHODS: In this observational case series, the anterior segment indices of myopic healthy subjects seeking for refractive surgery were measured by Pentacam and Galilei on the same day. Analyzed parameters were anterior and posterior best fit spheres (BFS), axial curvature, true corneal power, central corneal thickness (CCT), anterior chamber (AC) depth, AC volume, AC angle, and pupil diameter...
January 2017: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/28298709/prevalence-of-corneal-astigmatism-in-an-nhs-cataract-surgery-practice-in-northern-ireland
#12
David S Curragh, Patrick Hassett
PURPOSE: Post-operative corneal astigmatism following cataract surgery can leave the patient with visual impairment. Correcting it at the time of surgery with a toric intraocular lens (TIOL) can give patients a better final visual outcome. The purpose was to determine the prevalence of corneal astigmatism in a cataract population and assess the demand for TIOL. METHODS: Keratometric data was collected and analyzed for all patients who attended for routine cataract surgery under the care of a single surgeon based in Altnagelvin Area Hospital, Northern Ireland (NI)...
January 2017: Ulster Medical Journal
https://www.readbyqxmd.com/read/28297042/combination-surgery-with-transcorneal-microincision-vitrectomy-surgery-and-intrascleral-intraocular-lens-fixation-for-spontaneous-intraocular-lens-luxation
#13
Kenichi Kohzaki, Hisato Gunji, Hiroshi Tsuneoka
To present a combination technique for two cases of in-the-bag intraocular lens (IOL) luxation into the vitreous cavity. Vitrectomy was performed via a cornea microincision vitrectomy system, and the luxated IOL was fixed into the sclera. IOL fixation is simple from no trocar cannulas and less disrupted conjunctiva. Postoperative corneal endothelial cell density in Case 1 and Case 2 were reduced by -2.1% and -5.1%, respectively. Postoperative frequency of hexagon was decreased in Case 1 but maintained in Case 2...
March 1, 2017: Ophthalmic Surgery, Lasers & Imaging Retina
https://www.readbyqxmd.com/read/28291218/-endoscopic-transnasal-surgery-for-giant-fibrous-dysplasia-of-the-skull-base-spreading-to-the-right-orbital-cavity-and-nasopharynx-a-case-report-and-literature-review
#14
A N Shkarubo, A Yu Lubnin, E Yu Bukharin, L V Shishkina, D N Andreev, K V Koval', I V Chernov, V V Karnaukhov
BACKGROUND: An extended endoscopic endonasal approach is increasingly used in surgical treatment of space-occupying skull base lesions. The international literature reports only 20 cases of surgical treatment for fibrous dysplasia (PD) of the skull base using the endoscopic endonasal approach. We present our experience with the endoscopic endonasal approach in surgical treatment for giant fibrous dysplasia of the skull base, spreading to the right orbital cavity and nasopharynx. CLINICAL CASE: A 26-year-old male patient presented with cranial pain, Vth nerve dysfunction on the right, right keratopathy...
2017: Zhurnal Voprosy Neĭrokhirurgii Imeni N. N. Burdenko
https://www.readbyqxmd.com/read/28291204/-staged-complex-treatment-of-paralytic-lagophthalmos-case-report
#15
M B Gushchina, S A Mal'kov, E V Kovshun, N S Yuzhakova
Paralytic lagophthalmos, resulting from facial nerve palsy, is a difficult medical and social issue that requires cooperation of different specialists. Complications that arise in paralytic lagophthalmos may cause significant vision loss and even eye loss. Various techniques of paralytic lagophthalmos correction are used to protect the cornea and restore eyelid anatomy and functions. These comprise palliative (conservative), surgical, and alternative treatments (such as botulinum toxin type A therapy). Surgical treatment of paralytic lagophthalmos patients often has to be staged and complex...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/28291201/-results-of-residual-ametropia-correction-using-circle-technology-after-femtosecond-laser-smile-surgery
#16
O A Kostin, S V Rebrikov, A I Ovchinnikov, A A Stepanov, Kh P Takhchidi
AIM: to evaluate functional results of reoperation performed according to the CIRCLE technology and using the VisuMax femtosecond laser and MEL-80 excimer laser in cases of regression of the refractive effect after SMILE surgery. MATERIAL AND METHODS: We studied a group of post-SMILE patients. In those, who showed regression of the refractive effect at 1 year, reoperation was performed according to the CIRCLE technology and using the VisuMax femtosecond laser. The corneal flap was separated from the stromal bed and turned aside...
2017: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/28289951/distribution-of-the-anterior-posterior-and-total-corneal-astigmatism-in-healthy-eyes
#17
Sepehr Feizi, Mohammad Naderan, Vahid Ownagh, Fatemeh Sadeghpour
PURPOSE: To evaluate the magnitude and axis orientation of the anterior, posterior, and total corneal astigmatism in normal healthy eyes of an Iranian population. METHODS: In a prospective cross-sectional study, ophthalmic and anterior segment parameters of 153 healthy eyes of 153 subjects were evaluated by Galilei dual Scheimpflug analyzer. The magnitude and axis orientation [with-the-rule (WTR), against-the-rule (ATR), and oblique] of the anterior, posterior, and total corneal astigmatism measurements (ACA, PCA, and TCA) were compared according to the age, sex, and other ophthalmic parameters...
March 13, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28289879/-predictability-of-residual-astigmatism-after-implantation-of-posterior-chamber-toric-lenses
#18
D Mies, T Klink, W Eisenbarth, L M Meyer
BACKGROUND: The objective of the study was to examine the predictability of residual astigmatism after cataract surgery and implantation of the posterior chamber aspheric toric lens TECNIS® ZCT, Abott Medical Optic (Ettlingen, Deutschland). MATERIAL AND METHODS: The retrospective study included a total of 88 patient eyes undergoing a cataract operation with a toric lens implantation between March 2014 and October 2015. The inclusion criteria were a regular astigmatism of at least 0...
March 13, 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28288590/iridoschisis-a-case-report-and-literature-review
#19
Yiyi Chen, Yiyong Qian, Peirong Lu
BACKGROUND: Iridoschisis is a rare condition that is characterized by the separation of the iris stroma into layers, with portions of the anterior layer floating freely in the aqueous humour. Here, we report three cases of iridoschisis that were complicated by either a cataract or glaucoma. Based on these cases, we speculate that the scope of iridoschisis has a rare association with intraocular pressure and the loss of corneal endothelial cells after surgery, which is mainly due to the surgery and not iridocorneal mechanical contact...
March 14, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28287858/the-effect-of-pterygium-and-pterygium-surgery-on-corneal-biomechanics
#20
Mustafa Koç, Fuat Yavrum, Mehmet Murat Uzel, Emre Aydemir, Kemal Özülken, Pelin Yılmazbaş
PURPOSE: To evaluate the effect of pterygium and pterygium surgery on corneal biomechanics by ocular response analyzer (ORA, Reichert, USA). METHODS: This study considered 68 eyes (from 34 patients with a mean age of 21.2±7.1 years) with unilateral nasal, primary pterygium (horizontal length <4 mm), and having undergone pterygium excision and conjunctival autografting. Pterygium length and area were measured from a photograph of the anterior segment using Image J program...
March 13, 2017: Seminars in Ophthalmology
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