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https://www.readbyqxmd.com/read/28096654/comparison-of-visian-toric-collamer-lens-and-toric-acrylic-intraocular-lens-implantation-for-the-treatment-of-myopia-with-astigmatism
#1
Hatem Ammar, Mohamed Anbar, Marwa M Abdellah
PURPOSE: To compare the efficacy and outcome of phakic toric implantable collamer lens (TICL) and refractive clear lens extraction with AcrySof Toric intraocular lens (TIOL) implantation for the treatment of myopic astigmatism. PATIENTS AND METHODS: This study assessed eyes with myopic astigmatism >-1 D and ≤-4 D with a spherical equivalent >10 D or <10 D if the patients were unsuitable for corneal refractive surgery. These eyes were divided into group A, in which Visian Toric ICL™ Phakic TICL was implanted, and group B, which involved clear lens extraction with implantation of an AcrySof IQ toric SN60T3-9™ IOL...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28092397/update-on-orthokeratology-in-managing-progressive-myopia-in-children-efficacy-mechanisms-and-concerns
#2
Xintong Li, Ilana B Friedman, Norman B Medow, Cheng Zhang
Myopia is an important public health issue, and high myopia may lead to severe complications if left untreated. Orthokeratology lenses, worn overnight to reshape the cornea, are one of many recent modalities used to slow down the progression of myopia in children. This treatment has been proven successful, as evidenced by decreased spherical refractive error and axial length relative to the control at interval follow-up ranging from 6 months to 5 years. In this systematic review, the authors collected published controlled studies that analyzed the efficacy of orthokeratology lens wear and calculated longitudinal relative changes in axial length, revealing a weighted average of -45...
January 13, 2017: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28087083/-isolated-microspherophakia-in-a-senegalese-family
#3
P A Ndoye Roth, S A Toure, H Kane, A S Sow, A M Wane, J M Ndiaye, A M Ka, J P Diagne, H M Diallo, M E Demedeiros Quenum, M Nguer, E A Ba, P A Ndiaye, M R Ndiaye
PURPOSE: To report the clinical investigation of isolated microspherophakia involving a Senegalese family in order to appreciate its functional impact. OBSERVATIONS: This is a rural family comprised of 7 members. The sibship included three girls and two boys. One of the girls, who lived in a distant zone, was unable to be examined. Of all the examined members of the family, only the father was unaffected by the illness. There was no consanguinity. The general medical examination was normal...
January 10, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28078849/effects-of-carbomer-eye-drops-in-combination-with-orthokeratology-lens-in-treating-adolescent-myopia
#4
Y H Shi, L T Zhou, C X Zhang, Y Z Li, J Z Zhang, H M Zhou, Y G Li, T Liu, L L Zhang, L N Sun, Z Chen
To investigate the effects of carbomer eye drops (CED) during long-time wearing of overnight orthokeratology lens of adolescents with myopia, 260 teenagers with myopia treated in the Henan Provincial People’s Hospital from June 2012 to August 2014 and followed-up for more than 2 years were enrolled. All the patients underwent regular fitting of orthokeratology lens. They were divided into a CED (Vidisic) group (130 cases, 260 eyes treated with CED) and rewetting drops (RD) (Baushe and Lomb) group (130 cases, 260 eyes treated with RD)...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28068440/a-prospective-study-to-compare-visual-outcomes-between-wavefront-optimized-and-topography-guided-ablation-profiles-in-contralateral-eyes-with-myopia
#5
Rohit Shetty, Rushad Shroff, Kalyani Deshpande, Roshan Gowda, Sumeet Lahane, Chaitra Jayadev
PURPOSE: To analyze refractive outcomes of wavefront-optimized (WFO) ablation and topography-guided custom ablation (TCAT) profiles using the Allegretto Wave excimer laser platform (Alcon Laboratories, Inc., Fort Worth, TX) in the treatment of myopia. METHODS: Sixty eyes of 30 patients who underwent LASIK were included in this prospective interventional study. WFO ablation was performed in one eye (WFO group) and TCAT in the fellow eye (TCAT group). The WaveLight FS200 femtosecond laser (Alcon Laboratories, Inc...
January 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28060148/short-term-safety-of-2-mg-intravitreal-ziv-aflibercept
#6
Jay Chhablani, Chintan Jethalal Dedhia, Hari K Peguda, Michael Stewart
PURPOSE: To evaluate the safety of single intravitreal 2 mg ziv-aflibercept (0.08 mL) injections for the treatment of choroidal neovascular membranes (CNVM). METHODS: Eyes with choroidal neovascular membranes because of several conditions each received single intravitreal injections of 2 mg ziv-aflibercept (0.08 mL). Comprehensive ophthalmic examinations and detailed systemic evaluations were performed at baseline and Days 1, 7, and 30 after injections. Standard electroretinography was performed at baseline and Day 30...
January 2, 2017: Retina
https://www.readbyqxmd.com/read/28058167/isolated-microspherophakia-presenting-with-angle-closure-glaucoma
#7
Tülay Şimşek, Emrullah Beyazyıldız, Enver Şimşek, Faruk Öztürk
We report a case of 13-year-old girl presenting to our clinic with blurred vision in both eyes. Ophthalmic examination revealed high myopia and angle-closure glaucoma due to pupillary block caused by small, spherical crystalline lenses. Treatment approaches to glaucoma in patients with microspherophakia are discussed in this case report.
October 2016: Turkish Journal of Ophthalmology
https://www.readbyqxmd.com/read/28055099/evaluation-of-therapeutic-tissue-crosslinking-txl-for-myopia-using-second-harmonic-generation-signal-microscopy-in-rabbit-sclera
#8
Mariya Zyablitskaya, Anna Takaoka, Emilia L Munteanu, Takayuki Nagasaki, Stephen L Trokel, David C Paik
Purpose: Second harmonic generation signals (SHG) are emitted preferentially from collagenous tissue structures and have been used to evaluate photochemically-induced (CXL) crosslinking changes in the cornea. Since therapeutic tissue crosslinking (TXL) using sodium hydroxymethylglycinate (SMG) of the sclera is a potential treatment for high myopia, we explored the use of SHG microscopy to evaluate the effects. Methods: Single sub-Tenon's (sT) injections (400 μL) using SMG (40-400 mM) were made at the equatorial 12 o'clock position of the right eye of cadaveric rabbit heads (n = 16 pairs)...
January 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28051986/wavefront-guided-versus-wavefront-optimized-photorefractive-keratectomy-visual-and-military-task-performance
#9
Denise S Ryan, Rose K Sia, Richard D Stutzman, Joseph F Pasternak, Robin S Howard, Christopher L Howell, Tana Maurer, Mark F Torres, Kraig S Bower
PURPOSE: To compare visual performance, marksmanship performance, and threshold target identification following wavefront-guided (WFG) versus wavefront-optimized (WFO) photorefractive keratectomy (PRK). METHODS: In this prospective, randomized clinical trial, active duty U.S. military Soldiers, age 21 or over, electing to undergo PRK were randomized to undergo WFG (n = 27) or WFO (n = 27) PRK for myopia or myopic astigmatism. Binocular visual performance was assessed preoperatively and 1, 3, and 6 months postoperatively: Super Vision Test high contrast, Super Vision Test contrast sensitivity (CS), and 25% contrast acuity with night vision goggle filter...
January 2017: Military Medicine
https://www.readbyqxmd.com/read/28041966/different-roles-of-retinal-dopamine-in-albino-guinea-pig-myopia
#10
Junfeng Mao, Shuangzhen Liu
PURPOSE: To investigate whether the different role of ocular dopamine was involved in the myopic development between spontaneous myopia (SM) and form deprivation myopia (FDM) in albino guinea pigs. METHODS: 55 myopic animals were randomly divided into SM, Levodapa (L-DOPA), L-DOPA+carbidopa and vehicle. 70 non-myopic animals were randomly divided into normal control, FDM, L-DOPA+FDM, L-DOPA+carbidopa+FDM and vehicle. Once per day, for 14days, L-DOPA (10mg/kg) was injected intraperitoneally, and carbidopa (1μg) was injected at the same time into the peribulbar space of the right eye...
December 29, 2016: Neuroscience Letters
https://www.readbyqxmd.com/read/28027276/accommodation-and-phoria-in-children-wearing-multifocal-contact-lenses
#11
Celia R Gong, David Troilo, Kathryn Richdale
PURPOSE: To determine the effect of multifocal contact lenses on accommodation and phoria in children. METHODS: This was a prospective, non-dispensing, randomized, crossover, single-visit study. Myopic children with normal accommodation and binocularity and no history of myopia control treatment were enrolled and fitted with CooperVision Biofinity single vision (SV) and multifocal (MF, +2.50D center distance add) contact lenses. Accommodative responses (photorefraction) and phorias (modified Thorington) were measured at four distances (>3 m, 100 cm, 40 cm, 25 cm)...
December 23, 2016: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/27994803/transepithelial-photorefractive-keratectomy-for-low-to-moderate-myopia-in-comparison-with-conventional-photorefractive-keratectomy
#12
Mostafa Naderi, Khosrow Jadidi, Seyed Aliasghar Mosavi, Seyed Aref Daneshi
PURPOSE: To compare the effectiveness, safety and stability of the results of transepithelial photorefractive keratectomy (tPRK) with conventional photorefractive keratectomy (PRK) for low to moderate myopia. METHODS: In this prospective non-randomized case-control study, patients with low to moderate myopia were assigned to the tPRK group (cases) or the PRK group (controls). In the tPRK group, eyes were treated using the Amaris excimer laser (SCHWIND eye-tech-solutions GmbH and Co...
October 2016: Journal of Ophthalmic & Vision Research
https://www.readbyqxmd.com/read/27984549/gore-tex-vascular-graft-for-macular-buckling-in-high-myopia-eyes
#13
Pei-Chang Wu, Jiunn-Jye Sheu, Yi-Hao Chen, Yung-Jen Chen, Chih-Hsin Chen, Jong-Jer Lee, Chih-Ling Huang, Chueh-Tan Chen, Hsi-Kung Kuo
PURPOSE: To evaluate a new application of an expanded polytetrafluoroethylene (Gore-Tex) vascular graft for use in macular buckling surgery for treatment of highly myopic eyes. METHODS: The Gore-Tex vascular graft was used as a macular buckling material in eight consecutive cases of myopic macular diseases which included fovea detachment, foveoschisis, or macular hole retinal detachment. RESULTS: Retinal reattachment was achieved in all cases except one which had partial resolution (88%)...
December 14, 2016: Retina
https://www.readbyqxmd.com/read/27980362/effectiveness-of-toric-orthokeratology-in-the-treatment-of-patients-with-combined-myopia-and-astigmatism
#14
Byul Lyu, Kyu Yeon Hwang, Sun Young Kim, Su Young Kim, Kyung Sun Na
PURPOSE: The purpose of this multi-institute, single-group clinical trial was to evaluate the effectiveness and safety of toric orthokeratology lenses for the treatment of patients with combined myopia and astigmatism. METHODS: A total of 44 patients were included in this clinical trial. The patients ranged in age from 7 to 49 years, with myopia of -0.75 to -6.0 diopters (D) and astigmatism of 1.25 to 4.0 D. After excluding 21 subjects, 23 subjects (39 eyes) were analyzed after toric orthokeratology lens use...
December 2016: Korean Journal of Ophthalmology: KJO
https://www.readbyqxmd.com/read/27977064/anti-vascular-endothelial-growth-factor-for-choroidal-neovascularisation-in-people-with-pathological-myopia
#15
REVIEW
Ying Zhu, Ting Zhang, Gezhi Xu, Lijun Peng
BACKGROUND: Choroidal neovascularisation (CNV) is a common complication of pathological myopia. Once developed, most eyes with myopic CNV (mCNV) experience a progression to macular atrophy, which leads to irreversible vision loss. Anti-vascular endothelial growth factor (anti-VEGF) therapy is used to treat diseases characterised by neovascularisation and is increasingly used to treat mCNV. OBJECTIVES: To assess the effects of anti-vascular endothelial growth factor (anti-VEGF) therapy for choroidal neovascularisation (CNV), compared with other treatments, sham treatment or no treatment, in people with pathological myopia...
15, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27941045/single-step-transepithelial-versus-alcohol-assisted-photorefractive-keratectomy-in-the-treatment-of-high-myopia-a-comparative-evaluation-over-12%C3%A2-months
#16
Rafic Antonios, Maamoun Abdul Fattah, Samuel Arba Mosquera, Bachir H Abiad, Karim Sleiman, Shady T Awwad
BACKGROUND/AIMS: To evaluate refractive outcomes of single-step transepithelial photorefractive keratectomy (TransPRK) versus alcohol-assisted PRK (EtOH-PRK) for the correction of high myopia. METHODS: This was a retrospective non-randomised comparative study conducted at the American University of Beirut Medical Center, Beirut, Lebanon. Eyes with myopia (spherical equivalent (SE) larger than -6.00 D) that had undergone EtOH-PRK treatment combined with mitomycin C and TransPRK (SE: -7...
December 9, 2016: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/27930395/excimer-laser-versus-phakic-intraocular-lenses-for-myopia-and-astigmatism-a-meta-analysis-of-randomized-controlled-trials
#17
Haiting Chen, Yu Liu, Guangzeng Niu, Ma Jingxue
OBJECTIVE: Meta-analysis of randomized controlled trials (RCTs) which compared excimer laser refractive surgery and phakic intraocular lenses (PIOLs) for the treatment of myopia and astigmatism. METHODS: An electronic literature search was performed using the PubMed, EBSCO, CNKI, and Cochrane Library database to identify prospective RCTs which compared excimer laser refractive surgery and PIOL with a follow-up time of at least 12 months. Efficacy, accuracy, safety outcomes, and complications were analyzed by standardized mean difference, risk ratio, and the pooled estimates according to a fixed effect model or random effect model...
October 25, 2016: Eye & Contact Lens
https://www.readbyqxmd.com/read/27920429/nitric-oxide-no-mediates-the-inhibition-of-form-deprivation-myopia-by-atropine-in-chicks
#18
Brittany J Carr, William K Stell
Myopia is the most common childhood refractive disorder. Atropine inhibits myopia progression, but its mechanism is unknown. Here, we show that myopia-prevention by atropine requires production of nitric oxide (NO). Form-deprivation myopia (FDM) was induced in week-old chicks by diffusers over the right eye (OD); the left eye (OS) remained ungoggled. On post-goggling days 1, 3, and 5, OD received intravitreally 20 µL of phosphate-buffered saline (vehicle), or vehicle plus: NO source: L-arginine (L-Arg, 60-6,000 nmol) or sodium nitroprusside (SNP, 10-1,000 nmol); atropine (240 nmol); NO inhibitors: L-NIO or L-NMMA (6 nmol); negative controls: D-Arg (10 µmol) or D-NMMA (6 nmol); or atropine plus L-NIO, L-NMMA, or D-NMMA; OS received vehicle...
December 2016: Scientific Reports
https://www.readbyqxmd.com/read/27918356/refractory-tamoxifen-induced-keratopathy-despite-drug-withdrawal
#19
Konstantinos Andreanos, Konstantinos Oikonomakis, Konstantinos Droutsas, Myrsini Petreli, George Kymionis
PURPOSE: To report a case with refractory tamoxifen-induced keratopathy despite drug withdrawal. METHODS: Case report. RESULTS: A 50-year-old woman, diagnosed with bilateral breast cancer underwent mastectomy in 2005. She was treated with tamoxifen citrate from 2005 to 2012. According to her medical history, no corneal abnormalities had been documented during past ophthalmological examinations except low myopia, before initiation of tamoxifen treatment...
December 1, 2016: Cornea
https://www.readbyqxmd.com/read/27916313/influence-of-the-flap-on-outcomes-in-corneal-refractive-surgery-with-femtosecond-laser-smile-vs-flex
#20
J L Alió, M El Bahrawy, A Angelov, D Ortiz, P Yébana
OBJECTIVE: To investigate the influence of creating a flap on the postoperative optical quality of the cornea in terms of predicted corneal curvature and Seidel aberrations after 2 modalities of femtosecond assisted corneal lenticule extraction laser for the correction of myopia and myopic astigmatism: The flapless procedure small incision lenticular extraction (SMILE) and the flap-based femtosecond lenticular extraction (FLEx). METHODS: The study is a prospective consecutive non-randomised comparative interventional case series including 64 eyes with myopic or myopic astigmatism refractive errors...
December 1, 2016: Archivos de la Sociedad Española de Oftalmología
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