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Cataract, intraocular lens

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https://www.readbyqxmd.com/read/28210183/intraocular-lens-power-overestimation-in-a-patient-with-history-of-circling-keratorraphy
#1
Vasilios F Diakonis, Nilufer Yesilirmak, George D Kymionis, Sonia H Yoo
We report a case of cataract extraction and intraocular lens (IOL) power overestimation in a patient with history of hyperopia managed with circling keratorraphy. A 65-year-old female presented to our institute complaining of decreased vision in both eyes. The patient had a history of bilateral hyperopia that was managed 20 years ago (1994) with circling keratorraphy. At presentation her uncorrected distance visual acuity (UDVA) was 20/70 and 20/60 in her right eye (OD) and left eye (OS), respectively, while her corrected distance visual acuity (CDVA) was 20/25 OD and 20/25 OS with manifest refraction of -0...
July 2016: Saudi Journal of Ophthalmology: Official Journal of the Saudi Ophthalmological Society
https://www.readbyqxmd.com/read/28208899/study-of-variation-in-intraocular-pressure-spike-iop-following-nd-yag-laser-capsulotomy
#2
Niharika K Shetty, Sriya Sridhar
INTRODUCTION: Posterior Capsular Opacifications (PCO) is a frequent complication of cataract surgery following posterior chamber intraocular lens implantation. Nd -Yag laser capsulotomy is the treatment of choice for PCO and is known to be associated with complications like Raised Intraocular Pressure (IOP), Intraocular lens pitting, intraocular lens cracks, cystoid macular oedema, retinal detachment, corneal burns. Raised IOP is the most common complication and prescribing anti-glaucoma drugs post capsulotomy is a common practise...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208898/to-study-the-efficacy-of-difluprednate-ophthalmic-emulsion-and-prednisolone-acetate-ophthalmic-suspension-on-post-operative-inflammation-in-cataract-surgery
#3
Punita Garg, Nupur Tuteja, Shazia Qayum
INTRODUCTION: Senile cataract is the most common cause of visual impairment. Removal of cataract and implantation of intraocular lens implantation (IOL) is the main surgical approach for cataract. The major block in quick visual rehabilitation of the patient is post-operative inflammation. To limit post-operative inflammation corticosteroids drugs are used in routine prophylactically. Topical prednisolone acetate 1% and betamethasone 0.1% remain gold standard to control post-operative inflammation but newer drugs like difluprednate, loteprednol are also effective in controlling inflammation...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28203198/surgical-management-of-a-patient-with-anterior-megalophthalmos-lens-subluxation-and-a-high-risk-of-retinal-detachment
#4
María Carmen Guixeres Esteve, Augusto Octavio Pardo Saiz, Lucía Martínez-Costa, Samuel González-Ocampo Dorta, Pedro Sanz Solana
The early development of lens opacities and lens subluxation are the most common causes of vision loss in patients with anterior megalophthalmos (AM). Cataract surgery in such patients is challenging, however, because of anatomical abnormalities. Intraocular lens dislocation is the most common postoperative complication. Patients with AM also seem to be affected by a type of vitreoretinopathy that predisposes them to retinal detachment. We here present the case of a 36-year-old man with bilateral AM misdiagnosed as simple megalocornea...
January 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28203055/resident-surgeon-efficiency-in-femtosecond-laser-assisted-cataract-surgery
#5
Andrew C Pittner, Brian R Sullivan
PURPOSE: Comparison of resident surgeon performance efficiencies in femtosecond laser-assisted cataract surgery (FLACS) versus conventional phacoemulsification. PATIENTS AND METHODS: A retrospective cohort study was conducted on consecutive patients undergoing phacoemulsification cataract surgery performed by senior ophthalmology residents under the supervision of 1 attending physician during a 9-month period in a large Veterans Affairs medical center. Medical records were reviewed for demographic information, preoperative nucleus grade, femtosecond laser pretreatment, operative procedure times, total operating room times, and surgical complications...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28196730/globe-axial-length-growth-at-age-5-years-in-the-infant-aphakia-treatment-study
#6
M Edward Wilson, Rupal H Trivedi, David R Weakley, George A Cotsonis, Scott R Lambert
PURPOSE: To report the longitudinal change in axial length (AL) from the time of unilateral cataract surgery at age 1 to 7 months to age 5 years, and to compare AL growth of operated eyes with that of fellow unoperated eyes. DESIGN: Comparative case series. PARTICIPANTS: Infants enrolled in the Infant Aphakia Treatment Study (IATS). METHODS: The AL at baseline and age 5 years and change in AL were analyzed relative to treated versus fellow eye, visual outcome, and treatment modality (contact lens [CL] vs...
February 10, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28196056/effect-of-an-intravitreal-dexamethasone-implant-on-diabetic-macular-edema-after-cataract-surgery
#7
Pilar Calvo, Antonio Ferreras, Fadwa Al Adel, Wantanee Dangboon, Michael H Brent
PURPOSE: To analyze the effects of a dexamethasone intravitreal implant (DEX; Ozurdex 700 μg; Allergan) administered immediately after cataract surgery in diabetic patients. METHODS: This prospective, single-arm, open label study (NCT01748487 at ClinicalTrials.gov) involved Type 2 diabetic patients with at least mild diabetic retinopathy (DR) who underwent cataract surgery and DEX insertion after phacoemulsification, and intraocular lens implantation were enrolled...
February 10, 2017: Retina
https://www.readbyqxmd.com/read/28192644/perioperative-antibiotics-for-prevention-of-acute-endophthalmitis-after-cataract-surgery
#8
REVIEW
Emily W Gower, Kristina Lindsley, Samantha E Tulenko, Afshan A Nanji, Ilya Leyngold, Peter J McDonnell
BACKGROUND: Endophthalmitis is a severe inflammation of the anterior or posterior (or both) chambers of the eye that may be sterile or associated with infection. It is a potentially vision-threatening complication of cataract surgery. Prophylactic measures for endophthalmitis are targeted against various sources of infection. OBJECTIVES: To evaluate the effects of perioperative antibiotic prophylaxis for endophthalmitis following cataract surgery compared with no prophylaxis or other form of prophylaxis...
February 13, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28192584/laser-assisted-capsulotomy-centration-a-prospective-trial-comparing-pupil-versus-oct-based-scanned-capsule-centration
#9
Tim Schultz, Nikolaos Tsiampalis, H Burkhard Dick
PURPOSE: To investigate different capsulotomy centration methods for femtosecond laser-assisted cataract surgery. The overlap between intraocular lens (IOL) optic and lens capsule was measured with different centration methods and IOL types. METHODS: This was a prospective randomized clinical trial. Patients with cataract scheduled for femtosecond laser-assisted cataract surgery were assigned to one of four treatment groups: optical coherence tomography (OCT)-based scanned capsule centration (SCC) and three-piece IOL (SCC with three-piece IOL); scanned capsule centration and plate-haptic IOL (SCC with plate-haptic IOL); pupil centration (PC) and three-piece IOL (PC with three-piece IOL); or PC and plate-haptic IOL (PC with plate-haptic IOL)...
February 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28185842/corneal-astigmatism-measurement-by-ray-tracing-versus-anterior-surface-based-keratometry-in-candidates-for-toric-iol-implantation
#10
Ugo de Sanctis, Piero Donna, Rachele R Penna, Maria Isabella Calastri, Chiara M Eandi
PURPOSE: To compare corneal astigmatism derived from total corneal refractive power (CATCRP), a ray-tracing method, with that derived from simulated keratometry (CASimK), an anterior surface-based method, in candidates for toric intraocular lens (IOL) implantation. DESIGN: Reliability analysis. METHODS: In one eye of 200 consecutive patients (mean age 71 ±9 years) with cataract, a Pentacam HR (Oculus, Wetzlar, Germany) was used to measure CATCRP and CASimK...
February 6, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28184333/pupillary-block-due-to-reverse-implantation-of-a-sulcus-intraocular-lens
#11
Xuemin Zhang, Nishant Soni, Janet Alexander, Sachin Kalarn, Osamah Saeedi
An 88-year-old woman with a history of complicated cataract extraction by phacoemulsification with sulcus intraocular lens (IOL) placement developed pseudophakic pupillary block after reverse implantation of the IOL. In the postoperative period, she had persistently elevated intraocular pressures (IOP) and was diagnosed with chronic angle-closure glaucoma that was treated medically. She presented 5 years later with acute pupillary block. The diagnosis of reverse IOL implantation was confirmed by ultrasound biomicroscopy...
August 2016: JCRS Online Case Reports
https://www.readbyqxmd.com/read/28182152/trypan-blue-assisted-posterior-capsulorhexis-in-pediatric-cataract-surgery
#12
Ayman Lotfy, Ayman Abdelrahman
PURPOSE: To evaluate the safety and efficacy of staining the posterior capsule with trypan blue during capsulorhexis in pediatric cataract surgery. PATIENTS AND METHODS: This was a prospective randomized comparative study carried out at Alpha Vision Center, Zagazig, Egypt. This study included 2 groups of children with pediatric cataract randomly allocated to undergo irrigation and aspiration. In the trypan group, which included 11 eyes, trypan blue was used to stain the posterior capsule during posterior capsulorhexis...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28179694/functional-and-anatomical-outcome-in-closed-globe-combat-ocular-injuries
#13
Qamar Ul Islam, Mazhar Ishaq, Amer Yaqub, Muhammad Kamran Saeed
OBJECTIVE: To analyse the pattern, visual and anatomical outcome of closed globe combat-related ocular injuries sustained by troops. METHODS: This retrospective study was conducted at Armed Forces Institute of Ophthalmology, Rawalpindi, Pakistan, and comprised patients with ocular injuries from January 2010 to June 2014. Record of each patient was evaluated and demography, mode and type of injury, initial and final visual acuity, associated globe injuries, concomitant non-ocular injuries, type of surgical procedures and complications were endorsed on a pre-devised proforma...
December 2016: JPMA. the Journal of the Pakistan Medical Association
https://www.readbyqxmd.com/read/28176044/lens-management-of-cataract-surgery-cataract-prevention-and-floppy-iris-syndrome
#14
Joao Crispim, Wallace Chamon
According to the World Health Organization, cataract is the major cause of reversible visual impairment in the world. It is present as the cause of decreased visual acuity in 33% of the visual impaired citizens. With the increase of life expectancy in the last decades, the number of patients with cataract is expected to grow for the next 20 years. Nowadays, the only effective treatment for cataracts is surgery and its surgical outcomes have been increasingly satisfactory with the technological advancement...
February 8, 2017: Handbook of Experimental Pharmacology
https://www.readbyqxmd.com/read/28161928/two-port-pars-plana-anterior-and-central-core-vitrectomy-lam-floaterectomy-in-combination-with-phacoemulsification-and-intraocular-lens-implantation-under-topical-anesthesia-for-patients-with-cataract-and-significant-floaters-results-of-the-first-50-consecutive
#15
Dennis S C Lam, Hiu Ying Leung, Shu Liu, Nishant Radke, Ye Yuan, Vincent Y W Lee
PURPOSE: To study the safety and efficacy of 2-port pars plana anterior and central core vitrectomy (Lam floaterectomy) in combination with phacoemulsification (phaco) and intraocular lens implantation (IOL) for patients with cataract and significant floaters under topical anesthesia. DESIGN: Retrospective review of the first 50 consecutive cases. METHODS: Astandardized treatment protocol was used for patients with cataract and significant (moderate to severe) floaters (duration > 3 months)...
January 2017: Asia-Pacific Journal of Ophthalmology
https://www.readbyqxmd.com/read/28161922/a-prospective-evaluation-of-posterior-capsule-opacification-in-eyes-with-posterior-capsule-plaque-a-case-control-study
#16
Abhay R Vasavada, Mamidipudi R Praveen, Gauri D Shah, Kaid Johar, Rajkumar Sankaranarayanan
PURPOSE: To compare the development of posterior capsule opacification (PCO) between eyes with and without posterior capsule plaque after single-piece hydrophobic acrylic intraocular lens (IOL) implantation 5 years postoperatively. DESIGN: A prospective observational case-control study. METHODS: One hundred one consecutive eyes with posterior capsule plaque (cases) were compared with the same number of cataractous eyes without posterior capsule plaque (controls)...
January 2017: Asia-Pacific Journal of Ophthalmology
https://www.readbyqxmd.com/read/28149779/clinical-evaluation-of-surgery-induced-astigmatism-in-cataract-surgery-using-2-2-mm-or-1-8-mm-clear-corneal-micro-incisions
#17
Jun Yang, Xiu Wang, Hong Zhang, Yi Pang, Rui-Hua Wei
AIM: To evaluate corneal astigmatism after phacoemulsification using 2.2 mm or 1.8 mm clear corneal micro-incisions and its effects on visual function. METHODS: Sixty cases (60 eyes) with cataract were randomly divided into groups A (n=30) and B (n=30) respectively underwent 2.2 mm and 1.8 mm clear corneal tunnel incision phacoemulsification combined with folding intraocular lens implantation from the time direction of 11:00. On day 1 and at 1, 4, and 6wk after operation, patients' vision was measured and both the corneal curvature and corneal thickness (CT) were recorded using Pentacam...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28149154/pseudoexfoliation-material-accumulation-on-intraocular-lens-after-cataract-surgery
#18
İlknur Akyol Salman
No abstract text is available yet for this article.
October 2016: Eurasian Journal of Medicine
https://www.readbyqxmd.com/read/28139160/the-relation-between-sleep-disruption-and-cataract-in-a-large-population-based-study
#19
Yanjun Chen, David M Nondahl, Carla R Schubert, Barbara E K Klein, Ronald Klein, Karen J Cruickshanks
PURPOSE: To investigate the relation between sleep disruption and nuclear cataract, as well as the impact of cataract removal on sleep, in two discrete population-based cohorts. METHODS: This is a cross-sectional study of 5070 participants from three large longitudinal epidemiologic studies of age-related eye disease, hearing, olfaction, and cognition. Slit-lamp photos of the lens were obtained to grade nuclear cataract using a standardized protocol. The quality of sleep was assessed using a modified Wisconsin Sleep Cohort Study questionnaire...
January 31, 2017: Ophthalmic Epidemiology
https://www.readbyqxmd.com/read/28120576/correlations-between-preoperative-angle-parameters-and-postoperative-unpredicted-refractive-errors-after-cataract-surgery-in-open-angle-glaucoma-aod-500
#20
Wonseok Lee, Hyoung Won Bae, Si Hyung Lee, Chan Yun Kim, Gong Je Seong
PURPOSE: To assess the accuracy of intraocular lens (IOL) power prediction for cataract surgery with open angle glaucoma (OAG) and to identify preoperative angle parameters correlated with postoperative unpredicted refractive errors. MATERIALS AND METHODS: This study comprised 45 eyes from 45 OAG subjects and 63 eyes from 63 non-glaucomatous cataract subjects (controls). We investigated differences in preoperative predicted refractive errors and postoperative refractive errors for each group...
March 2017: Yonsei Medical Journal
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