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https://www.readbyqxmd.com/read/28728288/-descemet-s-membrane-endothelial-keratoplasty-for-treatment-of-patients-with-corneal-endothelial-decompensation
#1
T Huang, C Ouyang, J Zhan, L Jiang
Objective: To evaluate the clinical outcomes of Descemet's membrane endothelial keratoplasty (DMEK) for treatment of patients with corneal endothelial decompensation in China. Methods: Interventional case series. Ten patients (10 eyes) with the diagnosis of corneal endothelial decompensation received DMEK during July 2016 and September 2016 in Zhongshan Ophthalmic Center. Descemet's membrane of the donor tissue was carefully stripped from the underlying stroma manually and cut with a 7.75- or 8.0-mm-diameter donor punch...
July 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28728286/-corneal-astigmatism-among-2-085-age-related-cataract-patients-before-surgery
#2
Y Wang, M Ke, T Zheng, J Zhang, W H Wang, S Y Wu
Objective: To investigate the characteristics and distribution of corneal astigmatism before surgery among age-related cataract patients in the Hubei area. Methods: Retrospective study. From January 1, 2012 to July 31, 2016, IOL Master measurements of all qualified cataract surgery candidates were retrospectively collected. Descriptive statistical analysis was used to assess the degree, distribution and type of corneal astigmatism. Kolmogorov-Smirnov (K-S) test was used to evaluate the normal distribution of variables...
July 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28728285/-prevalence-and-surgery-status-of-cataract-among-adults-aged-60-years-or-above-in-two-villages-of-nantong
#3
J Zhou, Y Yuan, X Zhang, M Yang, H J Guan
Objective: To assess the prevalence, surgical coverage rate and social burden rate of cataract blindness among adults aged ≥60 years in the suburban population of Nantong, Jiangsu, China. Methods: It was a population-based cross-section study. A census with individuals aged ≥60 years was conducted in two villages of the suburb area in Nantong from June to August, 2008. A total of 1 305 individuals received visual acuity and eye examinations. Lens and cataract operative status were evaluated by slit-lamp biomicroscopy...
July 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28727706/opioids-for-ocular-pain-a-narrative-review
#4
Vinicius Bp Pereira, Renato Garcia, Andre Am Torricelli, Samir J Bechara
BACKGROUND: Refractive surgery is a common procedure, but may be associated with severe post-operative pain. OBJECTIVES: To describe studies addressing the use of opioids for control of pain after ocular surgery, with an emphasis on refractive surgery. STUDY DESIGN: This is a narrative review of relevant articles on the physiology of corneal pain and the use of opioids for its treatment after surgery. SETTING: Single tertiary center...
July 2017: Pain Physician
https://www.readbyqxmd.com/read/28726533/ophthalmic-findings-in-patients-with-arterial-tortuosity-syndrome-and-carriers-a-case-series
#5
Joshua S Hardin, Yuri A Zarate, Bert Callewaert, Paul H Phillips, David B Warner
INTRODUCTION: Arterial tortuosity syndrome (ATS) is a rare autosomal recessive disease hallmarked by tortuosity, stenosis, and aneurysm development of large- and medium-sized arteries. Mutations in SLC2A10, a gene that encodes the facilitative glucose transporter GLUT10, cause ATS. Several case reports have noted associated ophthalmic findings such as keratoconus, keratoglobus, and myopia without detailed descriptions or standardized examinations. We report the ophthalmic findings in a cohort of compound heterozygous ATS patients and heterozygous carriers of SLC2A10 mutations...
July 20, 2017: Ophthalmic Genetics
https://www.readbyqxmd.com/read/28726355/combined-cataract-dsek-dmek-changing-expectations
#6
Francis W Price, Marianne O Price
Endothelial keratoplasty (EK) has revolutionized corneal transplant surgery by providing rapid visual recovery and improved visual outcomes. In parts of the world with Fuchs endothelial dystrophy, many patients may present with both cataracts and corneal degeneration requiring surgery. Other forms of endothelial decompensation may also present with cataracts. The staging or combination of transplant surgery and cataract surgery depend on both the abilities of the surgeon and the surgical techniques being considered...
July 18, 2017: Asia-Pacific Journal of Ophthalmology
https://www.readbyqxmd.com/read/28724815/efficacy-and-safety-of-intraoperative-intracameral-mydriasis-in-manual-small-incision-cataract-surgery-a-randomized-controlled-trial
#7
K Ajay, Srinivasan Saranya, Divya Dabir Sundaresh, H R Hithashree, B C Hemalatha, Malavika Krishnaswamy, Sathyendranath B Shetty
PURPOSE: The purpose of this study is to assess the efficacy and safety of intracameral mydriatic solution, as compared to preoperative topical mydriatics, in patients undergoing manual small incision cataract surgery (MSICS) under peribulbar anesthesia. To assess the sustainability of intracameral mydriasis in MSICS by monitoring pupil size at specific junctures during the surgery. METHODS: This trial recruited 127 patients, who underwent MSICS under peribulbar block...
July 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28724814/comparison-of-intraocular-pressure-measurements-using-goldmann-tonometer-i-care-pro-tonopen-xl-and-schiotz-tonometer-in-patients-after-descemet-stripping-endothelial-keratoplasty
#8
Oded Ohana, David Varssano, Gabi Shemesh
PURPOSE: Post-Descemet stripping endothelial keratoplasty (DSEK) patients are prone for intraocular pressure (IOP) elevations and glaucoma. Corneal characteristics influence various IOP measuring devices in various ways. The aim of this study was to evaluate the agreement between four different IOP measuring devices: Goldmann applanation tonometer (GAT), I-care pro, Tonopen XL, and Schiotz tonometr in patients who underwent DSEK. METHODS: This was a prospective comparative study using a convenience cohort of post-DSEK patients with compact grafts...
July 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28721008/effect-of-age-sex-and-refractive-errors-on-central-corneal-thickness-measured-by-oculus-pentacam-%C3%A2
#9
Nauman Hashmani, Sharif Hashmani, Azfar N Hanfi, Misbah Ayub, Choudhry M Saad, Hina Rajani, Marium G Muhammad, Misbahul Aziz
BACKGROUND: Central corneal thickness (CCT) can be used to assess the corneal physiological condition as well as the pathological changes associated with ocular diseases. It has an influence on the measurement of intraocular pressure and is being used as a screening tool for refractive surgery candidates. The aim of this study was to determine the median CCT among normal Pakistani population and to correlate CCT with age, sex, and refractive errors. METHODS: We conducted a retrospective analysis of 5,171 healthy eyes in 2,598 patients who came to Hashmanis Hospital, Karachi, Pakistan...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28715851/paradigm-shifts-peregrinations-and-pixies-in-ophthalmology
#10
REVIEW
A O Minas Coroneo
Defending vision, our highest bandwidth sense, challenges human ingenuity. Replacing or repairing highly specialized but scarce tissue within constraints of transparency, tissue shape and alignment, tissue borders and pressure maintenance, presents special challenges. Many, mostly destructive surgical procedures, were developed prior to an understanding of underlying pathophysiology. For a number of conditions, both reconstructive and destructive procedures co-exist yet there are few guidelines as to the better approach...
July 17, 2017: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/28712892/discontinuation-of-long-term-orthokeratology-lens-wear-and-subsequent-refractive-surgery-outcome
#11
Pauline Kang, Helen Swarbrick
PURPOSE: To report a case of lens discontinuation in a long term orthokeratology (OK) lens wearer and describe regression in refraction, corneal topography, and corneal thickness over 408days after lens discontinuation. Furthermore, the outcome of subsequent LASIK treatment is also reported. CASE REPORT: A 41year old Caucasian female who had been previously wearing OK lenses for 13 years discontinued lens wear in the left eye to consider refractive surgery in that eye...
July 13, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28708898/retreatment-strategies-following-small-incision-lenticule-extraction-smile-in-vivo-tissue-responses
#12
Andri K Riau, Yu-Chi Liu, Chris H L Lim, Nyein C Lwin, Ericia P Teo, Gary H Yam, Donald T Tan, Jodhbir S Mehta
With any refractive correction, including Small Incision Lenticule Extraction (SMILE), there may be a residual refractive error that requires a retreatment. Here, we investigated the tissue responses following various retreatment procedures in a rabbit model of SMILE. All rabbits underwent a -6.00D correction with SMILE. Two weeks later, they underwent -1.00D enhancement by: (i) VisuMax Circle, followed by excimer ablation (S+C); (ii) secondary SMILE anterior to the primary procedure (S+SE); or (iii) surface ablation (S+P), and were examined for 28 days...
2017: PloS One
https://www.readbyqxmd.com/read/28707255/comparative-clinical-study-of-whitestar-signature-phacoemulsification-system-with-standard-and-ellips-fx-handpieces
#13
Daniele Tognetto, Rossella D'Aloisio, Paolo Cecchini, Marta Di Nicola, Giuseppe Di Martino
PURPOSE: To compare the intraoperative parameters and postoperative outcomes using two different phaco handpieces with different energy delivery systems of the same phacoemulsification machine. METHODS: One hundred and sixty eyes of 160 cataract patients were randomly assigned to 2.40 mm phacoemulsification using the AMO WhiteStar Signature(®) phaco system with the standard phaco handpiece (Group 1) or the Ellips FX phaco handpiece (Group 2). According to the lens opacities classification system III, each group was divided into four subgroups of 20 patients each...
July 13, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28699324/corneal-endothelial-cell-loss-and-corneal-biomechanical-characteristics-after-two-step-sequential-or-combined-phaco-vitrectomy-surgery-for-idiopathic-epiretinal-membrane
#14
Hassan Hamoudi, Ulrik Correll Christensen, Morten La Cour
PURPOSE: To assess the impact of sequential and combined surgery [cataract surgery and 23-gauge pars plana vitrectomy (PPV) with peeling] on corneal endothelium cell density (CED) and corneal biomechanical characteristics. METHODS: Phakic eyes with epiretinal membrane (ERM) were prospectively allocated to (i) cataract surgery and subsequent PPV (CAT group), (ii) PPV and subsequent cataract surgery (VIT group) or (iii) phacovitrectomy (COMBI group). Eyes were examined at baseline, 1 month after each surgery, and at 3 and 12 months follow-up...
August 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28699061/hydroxypropyl-methylcellulose-2-for-dry-eye-prevention-during-phacoemulsification-in-senile-and-diabetic-patients
#15
Maierhaba Yusufu, Xin Liu, Tianyu Zheng, Fan Fan, Jianjiang Xu, Yi Luo
PURPOSE: To assess the effect of hydroxypropyl methylcellulose (HPMC) 2% to prevent dry eye during phacoemulsification in senile and diabetic patients. METHODS: This prospective interventional case series comprised 60 eyes (44 patients) with age-related cataract scheduled for standardized phacoemulsification surgery. The patients were assigned to receive either balanced saline solution (BSS, 30 eyes) or HPMC 2% (30 eyes) during surgery. Preoperative and postoperative examinations (1, 3, 7 and 30 days) included measurements of automatic noninvasive tear film breakup time (NITBUT), fluorescein staining, Schirmer I test, tear meniscus height, depth and area and subjective symptoms...
July 11, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28697678/ek-dlek-dsek-dmek-new-frontier-in-cornea-surgery
#16
Marianne O Price, Pankaj Gupta, Jonathan Lass, Francis W Price
Endothelial keratoplasty (EK) has revolutionized treatment of corneal endothelial dysfunction. Compared with penetrating keratoplasty (PK), EK provides faster and more reliable visual rehabilitation while maintaining the eye's structural integrity. The number of EK procedures is growing annually and surpassed PK in the United States in 2012. The most widely used iteration, Descemet stripping endothelial keratoplasty (DSEK), implants healthy donor endothelium, Descemet membrane, and posterior stroma. Descemet membrane endothelial keratoplasty (DMEK) eliminates the donor stromal layer...
July 11, 2017: Annual Review of Vision Science
https://www.readbyqxmd.com/read/28691945/femtosecond-laser-assisted-tuck-in-penetrating-keratoplasty-for-advanced-keratoglobus-with-endothelial-damage
#17
Jorge L Alió Del Barrio, Olena Al-Shymali, Jorge L Alió
PURPOSE: To describe the outcomes of femtosecond laser-assisted tuck-in penetrating keratoplasty as a single-step surgical procedure for visual and anatomical rehabilitation of patients with severe keratoglobus (KTG) and endothelial damage. METHODS: Two eyes of a 7-year-old patient with bilateral severe KTG and previous corneal hydrops were operated. Assisted by the femtosecond laser, both donor and recipient corneas were prepared. An 8.5-mm full-thickness donor tissue with a peripheral partial-thickness rim of 1...
July 6, 2017: Cornea
https://www.readbyqxmd.com/read/28688026/indications-and-graft-survival-analysis-in-optical-penetrating-keratoplasty-in-a-tertiary-care-center-in-north-india-a-5-year-study
#18
Sudesh Kumar Arya, Amit Raj, Ravi Kant Bamotra, Anubha Bhatti, Jyoti Deswal, Meenakshi Sindhu
PURPOSE: To study the indications and variables correlating with graft survival in optical penetrating keratoplasty in a tertiary care hospital in north India. PARTICIPANTS: All patients who underwent optical keratoplasty, except those undergoing lamellar grafts, tectonic grafts transplants and penetrating keratoplasty done for therapeutic purposes were included in the study. Patients with follow-up less than 2 years were excluded from the study. MATERIALS AND METHODS: Data were obtained by reviewing the records of 101 patients who underwent optical penetrating keratoplasty from 2008 to 2013 for various indications...
July 7, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28687847/silk-fibroin-films-for-corneal-endothelial-regeneration-transplant-in-a-rabbit-descemet-membrane-endothelial-keratoplasty
#19
Natalia Vázquez, Carlos A Rodríguez-Barrientos, Salvador D Aznar-Cervantes, Manuel Chacón, José L Cenis, Ana C Riestra, Ronald M Sánchez-Avila, Mairobi Persinal, Agustín Brea-Pastor, Luis Fernández-Vega Cueto, Álvaro Meana, Jesús Merayo-Lloves
Purpose: Develop a silk fibroin (SF)-based artificial endothelial graft for its use in a rabbit Descemet membrane endothelial keratoplasty (DMEK). Methods: Human and rabbit artificial corneal endothelial grafts were developed through the culture of human and rabbit corneal endothelial cells (CECs) on SF films. Rabbit artificial SF endothelial grafts were transplanted in a DMEK surgery into a rabbit in vivo model. Results: SF artificial endothelial grafts showed the characteristic endothelial markers: zonula occludens (ZO-1) and Na+/K+ ATPase...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28683480/-penetrating-limbokeratoplasty-for-gelatinous-corneal-dystrophy
#20
Stefan J Lang, Daniel Böhringer, Thomas Reinhard
Background Gelatinous corneal dystrophy is a very rare disease in Europe and North America. Patients suffer from pain, photophobia and loss of vision, usually before the age of 20. Transplantation of limbal stem cells was proposed due to the high rate of recurrence after conventional penetrating keratoplasty. We present the results of penetrating limbokeratoplasty, a combined transplantation of cornea and limbal stem cells, in patients with gelatinous corneal dystrophy. Methods We present a series of 7 consecutive eyes with gelatinous corneal dystrophy, which were treated with penetrating limbokeratoplasty-4 eyes of 3 patients had already undergone multiple conventional corneal transplantations...
July 6, 2017: Klinische Monatsblätter Für Augenheilkunde
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