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Intraocular lens

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https://www.readbyqxmd.com/read/29049230/goniosynechialysis-combined-with-cataract-extraction-for-iridoschisis-a-case-report
#1
Zhipeng You, Yan Qin, Guodong Li, Ke Shi
RATIONALE: Iridoschisis is a rare eye disease. In this case report, we described the examination and diagnosis of a case of iridoschisis accompanied by secondary glaucoma. We also observed the effects of treating the patient with a combination of goniosynechialysis and cataract removal. PATIENT CONCERN: A 67-year-old female patient presented with decreased vision in both eyes. An eye examination indicated that visual acuities (VAs) were 20/100 and light perception in the right and left eyes, respectively...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29044974/quality-of-life-related-variables-measured-for-three-multifocal-diffractive-intraocular-lenses-a-prospective-randomised-clinical-trial
#2
Jorge L Alió, Hakan Kaymak, Detlef Breyer, Beatrice Cochener, Ana B Plaza-Puche
IMPORTANCE: Quality of vision after multifocal intraocular lens (IOLs) implantation in relation to patient satisfaction. It is important to include the evaluation of visual quality and patient satisfaction in clinical practice. BACKGROUND: To evaluate and compare quality of life and patient satisfaction after implantation of three types of diffractive- refractive and apodized-diffractive bifocal and trifocal multifocal IOLs. DESIGN: Comparative, prospective, case series, randomized PARTICIPANTS: 104 eyes of 52 patients METHODS: 104 eyes of 52 patients underwent phacoemulsification surgery with bilateral implantation of one of three multifocal IOLs: AT LISA 809M (Carl Zeiss Meditec) (AT LISA group, 38 eyes), AT LISAtri 839MP (Carl Zeiss Meditec) (AT LISAtri group, 32 eyes), and ReSTOR SN6AD1 (Alcon) (ReSTOR group, 34 eyes)...
October 16, 2017: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/29044062/changing-epidemiology-of-neovascular-glaucoma-from-2002-to-2012-at-king-khaled-eye-specialist-hospital-saudi-arabia
#3
Abdullah Al-Bahlal, Rajiv Khandekar, Khalid Al Rubaie, Tariq Alzahim, Deepak P Edward, Igor Kozak
PURPOSE: The aim is to present the incidence and determinants of neovascular glaucoma (NVG) in Saudi Arabia. METHODS: A retrospective review of NVG cases (2002-2012) was included to estimate the incidence. The determinants included gender, age, comorbidities, lens status, type of NVG, and visual acuity on presentation. The impact of antiangiogenic therapy on NVG incidence was studied. RESULTS: We studied 597 eyes with NVG. The incidence was 6...
October 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29044059/pathology-and-immunohistochemistry-of-capsular-bag-in-spontaneously-late-dislocated-capsular-bag-intraocular-lens-complex
#4
Harsha Bhattacharjee, Kasturi Bhattacharjee, Dipankar Das, Manpreet Singh, Piruthivi Sukumar, Diva Kant Misra
PURPOSE: Our study aims to evaluate the morphology, histopathology, and immunohistochemistry of the spontaneously late dislocated capsular bag-intraocular lens (CB-IOL) complex. Various etiologies and possible pathogenesis of the event are also discussed. METHODS: This was a tertiary-care setting and retrospective observational case series. The surgically explanted intact specimens of spontaneously late dislocated CB-IOL complex were studied. The demographics, duration of pseudophakia, IOL design/material, and specimen measurements were noted...
October 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29044058/femtosecond-laser-assisted-cataract-surgery-versus-2-2-mm-clear-corneal-phacoemulsification
#5
H Ranjini, Praveen R Murthy, Gowri J Murthy, Vinay R Murthy
PURPOSE: Phacoemulsification is the surgical procedure of choice for cataract, providing excellent visual and safety outcomes. Femtosecond laser-assisted cataract surgery (FLACS) is an addition to the surgical armamentarium. The study aims to compare the outcomes of FLACS using LenSx™ (Alcon Inc., USA) to standard 2.2 mm clear corneal phacoemulsification. Prospective case-control, comparative, interventional study was conducted in a tertiary care center. METHODS: In each group, 55 eyes of 55 patients underwent cataract surgery using either FLACS or conventional phacoemulsification (control group)...
October 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/29042749/a-review-of-results-after-implantation-of-a-secondary-intraocular-lens-to-correct-residual-refractive-error-after-cataract-surgery
#6
Kjell Gunnar Gundersen, Rick Potvin
PURPOSE: The purpose of this study was to provide clinical outcomes data related to secondary intraocular lens (IOL) implantation for the correction of residual refractive error after cataract surgery. PATIENTS AND METHODS: A chart review was conducted to identify all eyes implanted with the monofocal spherical or toric AddOn(®) secondary IOL. Data were collated from charts where uncomplicated initial cataract surgery was completed. Measures of interest included the original IOL implanted, the postoperative refractive error (before secondary IOL implantation) and the associated corrected and uncorrected visual acuities (VAs)...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/29036175/the-efficiency-of-aspheric-intraocular-lens-according-to-biometric-measurements
#7
Woong-Joo Whang, Junjie Piao, Young-Sik Yoo, Choun-Ki Joo, Geunyoung Yoon
PURPOSE: To analyze internal spherical aberration in pseudophakic eyes that underwent aspheric intraocular lens (IOL) implantation, and to investigate the relationships between biometric data and the effectiveness of aspheric IOL implantation. METHODS: This retrospective study included 40 eyes of 40 patients who underwent implantation of an IOL having a negative spherical aberration of -0.20 μm (CT ASPHINA 509M; Carl Zeiss Meditec Inc., Germany). The IOLMaster (version 5...
2017: PloS One
https://www.readbyqxmd.com/read/29034156/intraocular-lens-opacification-after-descemet-s-stripping-automated-endothelial-keratoplasty
#8
Meng-Sheng Lee, I-Lun Tsai, Ching-Yao Tsai, Li-Lin Kuo, Shiow-Wen Liou, Lin-Chung Woung
Compared with conventional penetrating keratoplasty, Descemet's stripping automated endothelial keratoplasty (DSAEK) more effectively maintain global integrity and rapid vision rehabilitation with less ocular surface disorders in patients with endothelial dysfunction. Here, we report a case of a 76-year-old woman who experienced opacification of a hydrophilic intraocular lens (IOL) approximately 10 months after DSAEK. The patient with no history of systemic disease developed pseudophakic bullous keratopathy in the right eye 2 years after undergoing cataract surgery...
July 2017: Taiwan Journal of Ophthalmology
https://www.readbyqxmd.com/read/29030369/post-laser-assisted-in-situ-keratomileusis-keratomycotic-malignant-glaucoma
#9
Pranita Sahay, Prafulla Kumar Maharana, Namrata Sharma, Jeewan S Titiyal
We report a case of a 24-year-old male patient with post-laser assisted in situ keratomileusis (LASIK) culture-proven mycotic keratitis who developed pupillary block glaucoma on day 19 of medical management. The case was initially managed with multiple Nd-Yag peripheral iridotomy along with systemic and topical antiglaucoma medications. However, an emergency therapeutic penetrating keratoplasty (TPK) with lens extraction was done in view of persistently raised intraocular pressure (IOP) and seclusio pupillae...
October 13, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29027083/objective-and-subjective-results-following-implantation-of-the-finevision-trifocal-intraocular-lens-in-mexican-patients
#10
Ivo Ferreira-Ríos, Karla Zuñiga-Posselt, Juan Carlos Serna-Ojeda, Eduardo Chávez-Mondragón
PURPOSE: To evaluate objective and subjective results after bilateral implantation of a diffractive trifocal intraocular lens (IOL) in a Mexican population. METHODS: Prospective, interventional case series involved 15 cataract surgery patients who underwent bilateral implantation of the trifocal Micro F lens FineVision IOL (PhysIOL, Liège, Belgium). Objective analysis involved assessment of monocular uncorrected distance (UDVA), near (UNVA) at 30 and 40 cm, and intermediate visual acuity (UIVA) at 50, 60, and 70 cm, preoperatively, and at postoperative months 1, 3, and 6...
October 12, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/29027061/scleral-fixated-intraocular-lens-implantation-with-a-modified-z-suture-technique
#11
Erdem Dinç, Mustafa Vatansever, Özer Dursun, H Görkem Markirt, Bahri Aydın, Ayça Yılmaz, Ufuk Adıgüzel
PURPOSE: To evaluate visual outcomes and complications in scleral fixated intraocular lens (IOL) implantation with the modified Z-suture technique. MATERIALS AND METHODS: Thirty-five eyes of 35 patients (20 male, 15 female) were included in the study. Patients underwent scleral fixated IOL implantation using the modified Z-suture technique and were followed in terms of visual acuity and complications. RESULTS: Mean postoperative follow-up time was 12...
October 13, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/29018756/descemet-s-stripping-automated-endothelial-keratoplasty-for-symptomatic-thioridazine-deposits-in-the-cornea
#12
Masoumeh Mohebbi, Hassan Hashemi, Alireza Mahmoudi, Pasha Anvari
The aim of this study was to use Descemet's Stripping-automated Endothelial Keratoplasty (DSAEK) as a novel treatment to remove thioridazine corneal deposits. A 53-year-old female presented with a 3-month history of visual loss and glare. She had been taking thioridazine (100 mg/day for 1 year) for a psychiatric disorder. Dense yellowish-brown deposits had developed in the posterior stroma. Thioridazine was discontinued, and she was switched to fluoxetine. One year after discontinuation of thioridazine, her symptoms and signs did not resolve...
January 2017: Taiwan Journal of Ophthalmology
https://www.readbyqxmd.com/read/29016452/intraocular-lens-position-in-combined-phacoemulsification-and-vitreoretinal-surgery
#13
Serdar Ozates, Hasan Kiziltoprak, Mustafa Koc, Mehmet Murat Uzel, Mehmet Yasin Teke
PURPOSE: To assess the decentration and angle of tilt of the intraocular lens (IOL) according to the intravitreal tamponade types used in combined phacoemulsification and vitreoretinal surgery. METHODS: This prospective and randomized clinical study involved 73 eyes of 69 patients who underwent combined vitreoretinal surgery. Eyes with intravitreal tamponades formed the study group and eyes without intravitreal tamponades formed the control group. The study group was further divided into silicone oil and gas tamponade subgroups...
October 9, 2017: Retina
https://www.readbyqxmd.com/read/28992107/flow-in-the-anterior-chamber-of-the-eye-with-an-implanted-iris-fixated-artificial-lens
#14
Jennifer H Tweedy, Jan O Pralits, Rodolfo Repetto, Paolo Soleri
Flow in the aqueous humour that fills the anterior chamber of the eye occurs in response to the production and drainage of the aqueous humour, and also due to buoyancy effects produced by thermal gradients. Phakic intraocular lenses are manufactured lenses that are surgically inserted in the eyes of patients to correct refractive errors. Their presence has a dramatic effect on the circulation of the aqueous humour, resulting a very different flow in the anterior chamber, the effects of which have not been extensively investigated...
August 7, 2017: Mathematical Medicine and Biology: a Journal of the IMA
https://www.readbyqxmd.com/read/28991853/simulated-keratometry-versus-total-corneal-power-by-ray-tracing-a-comparison-in-prediction-accuracy-of-intraocular-lens-power
#15
Giacomo Savini, Kenneth J Hoffer, Domenico Schiano Lomoriello, Pietro Ducoli
PURPOSE: To investigate the relationship between corneal powers measured by simulated keratometry (Sim-K) and ray tracing and understand whether their difference influences intraocular lens (IOL) power calculation. METHODS: In a first sample of healthy eyes, corneal curvature was measured using a rotating Scheimpflug camera (Sirius, CSO). Sim-K was obtained from anterior corneal curvature using the 1.3375 keratometric index. Ray tracing was performed through both corneal surfaces to calculate the total corneal power (TCP)...
November 2017: Cornea
https://www.readbyqxmd.com/read/28991621/central-island-formation-after-cataract-surgery-in-a-laser-in%C3%A2-situ-keratomileusis-eye-new-etiology
#16
Sylvain El-Khoury, Youssef Abdelmassih, George Cherfan, Johnny M Khoury
We report a case of central corneal steepness formation after cataract surgery in a post-laser in situ keratomileusis (LASIK) eye. A 51-year-old woman with traumatic cataract and a history of myopic LASIK surgery had uneventful phacoemulsification cataract surgery. Postoperatively, the corneal topography difference map showed a central island formation of 2.1 diopters (D) compared with the preoperative level, which correlated with a clinical myopic shift of 2.00 D from the targeted emmetropia. At 4 months, most of the central island had resolved spontaneously...
September 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28991619/light-scattering-levels-from-intraocular-lenses-extracted-from-donor-eyes
#17
Grzegorz Łabuz, Nicolaas J Reus, Thomas J T P van den Berg
PURPOSE: To assess light scatter levels of intraocular lenses (IOLs) extracted from donor eyes to understand straylight elevation documented earlier in pseudophakic population studies and identify potential sources of light scattering in IOLs. SETTING: Rotterdam Ophthalmic Institute, Rotterdam, the Netherlands. DESIGN: Experimental study. METHODS: Light scattering in 74 donor IOLs was measured with the C-Quant device adapted for in vitro analysis of IOLs...
September 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28991616/refractive-lens-exchange-and-piggyback-intraocular-lens-implantation-in-nanophthalmos-visual-and-structural-outcomes
#18
Masoomeh Mohebbi, Mohammad-Reza Fallah-Tafti, Kaveh Fadakar, Ramon Katoozpour, Seyed-Farzad Mohammadi, Zahra Fallah-Tafti, Azita Khorami
PURPOSE: To evaluate the best piggyback intraocular lens (IOL) implantation method and the outcomes in nanophthalmos eyes and to define the postoperative structural changes. SETTING: Farabi Eye Hospital, Tehran, Iran. DESIGN: Prospective case series. METHODS: Candidates for refractive surgery who were nanophthalmic were recruited. Patients had refractive lens exchange followed by implantation of both IOLs in the bag or 1 IOL in the bag and 1 IOL in the sulcus...
September 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28991614/postoperative-outcomes-of-intraocular-lens-implantation-in-the-bag-versus-posterior-optic-capture-in-pediatric-cataract%C3%A2-surgery
#19
Abhay R Vasavada, Vaishali Vasavada, Sajani K Shah, Rupal H Trivedi, Viraj A Vasavada, Shail A Vasavada, Samaresh Srivastava, Aditya Sudhalkar
PURPOSE: To compare complications in children up to 4 years old having cataract surgery with intraocular lens (IOL) implantation using 2 techniques: in-the-bag IOL with anterior vitrectomy or optic capture of IOL with no anterior vitrectomy. SETTING: Iladevi Cataract & IOL Research Centre, Ahmedabad, India. DESIGN: Prospective randomized control clinical trial. METHODS: The study included children having cataract surgery with IOL implantation...
September 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28991613/safety-of-femtosecond-laser-assisted-primary-posterior-capsulotomy-immediately-after-cataract-surgery
#20
Merita Schojai, Tim Schultz, Yesim Haeussler-Sinangin, Joerg Boecker, H Burkhard Dick
PURPOSE: To evaluate the safety and feasibility of a new femtosecond laser-assisted method for posterior capsule opacification (PCO) prevention. SETTING: University Eye Hospital Bochum, Bochum, Germany. DESIGN: Prospective randomized intraindividual case series. METHODS: Eyes scheduled for bilateral cataract surgery between April 2015 and January 2016 were enrolled in the study. In 1 eye, routine manual cataract surgery with intraocular lens (IOL) implantation was performed with a primary posterior laser capsulotomy as the last step in the procedure...
September 2017: Journal of Cataract and Refractive Surgery
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