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Scleral lens

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https://www.readbyqxmd.com/read/28820165/extraocular-needle-guided-haptic-insertion-technique-of-scleral-fixation-intraocular-lens-surgeries-x-nit
#1
Prabu Baskaran, Pratyusha Ganne, Sahil Bhandari, Seema Ramakrishnan, Rengaraj Venkatesh, Prashant Gireesh
The most challenging step in sutureless scleral fixation of intraocular lens (SFIOL) is exteriorization of haptics. The conventional handshake technique has a learning curve since it involves intraocular handing over of haptics from one forceps to another. Here, we describe "extraocular needle-guided haptic insertion technique" (X-NIT), a novel technique of exteriorizing haptics that totally eliminates intraocular manipulations. This method involves sequential introduction of two bent 26-gauge needles through the sclera (pars plicata zone) into the eye which are brought out through a sclerocorneal wound...
August 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28819785/assessment-of-the-safety-and-efficacy-of-primary-retropupillary-fixation-of-iris-claw-intraocular-lenses-in-children-with-large-lens-subluxations
#2
Anju Rastogi, Apurva Goray, Prolima Thacker, Kamlesh, Babita
PURPOSE: To evaluate whether retropupillary fixation of the iris-claw intraocular lens (IOL) is a safe and effective treatment option in children with large lens subluxations. METHODS: Fourteen eyes of children between the ages of 8-17 years with lens subluxations more than 7 clock hours underwent pars plana lensectomy-vitrectomy with implantation of the iris-claw IOL in the retropupillary position as a primary procedure. The best corrected visual acuity (BCVA), intraocular pressure (IOP), corneal endothelial count (EC) and the lens position using ultrasound biomicroscopy (UBM) were assessed pre- and postoperatively...
August 17, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28816727/effect-of-time-on-scleral-lens-settling-and-change-in-corneal-clearance
#3
Heinz Otchere, Lyndon W Jones, Luigina Sorbara
SIGNIFICANCE: With the increase in the use of scleral contact lenses among practitioners, questions regarding lens settling are gradually gaining attention. This is because current studies support the notion that scleral lenses settle back over time. More research is needed to understand the exact cause and the factors that underpin such phenomenon. PURPOSE: The present study aims to assess the effect of time on topographic corneal clearance of three scleral contact lenses of varying sagittal depths...
August 16, 2017: Optometry and Vision Science: Official Publication of the American Academy of Optometry
https://www.readbyqxmd.com/read/28807798/clinically-undetected-retinal-breaks-causing-retinal-detachment-options-for-management
#4
REVIEW
Deepak Gupta, Jared Ching, Paul E Tornambe
The successful detection of retinal breaks is a critical step in rhegmatogenous retinal detachment (RRD) surgery in order to prevent persistent/recurrent RRDs. Not all retinal breaks causing retinal detachments are obvious. Retinal breaks may be obscured due to opacities that are either anterior-segment related, lens related or posterior-segment related. Rules to identify breaks based on sub-retinal fluid (SRF) configuration are more difficult to apply in pseudophakic, aphakic, encircled eyes, and eyes with repeat detachments and those with proliferative vitreoretinopathy (PVR)...
August 11, 2017: Survey of Ophthalmology
https://www.readbyqxmd.com/read/28802684/-management-of-post-traumatic-aphakia-and-aniridia-retrospective-study-of-17-patients-undergoing-scleral-sutured-artificial-iris-intraocular-lens-implantation-management-of-aphakia-aniridia-with-scleral-sutured-artificial-iris-intraocular-lenses
#5
A-S Villemont, V Kocaba, H Janin-Manificat, L Abouaf, M Poli, A-S Marty, M Rabilloud, J Fleury, C Burillon
PURPOSE: To evaluate the long-term outcomes of artificial iris intraocular lenses sutured to the sclera for managing traumatic aphakia and aniridia. METHODS: All consecutive cases receiving a Morcher(®) combination implant from June 2008 to February 2016 in Edouard-Herriot Hospital (Lyon, France) were included in this single-center retrospective study. Visual acuity, subjective degree of glare, quality of life and surgical complications were evaluated. RESULTS: Seventeen eyes of 17 patients were included, among which 82% were male...
August 9, 2017: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/28801741/scleral-suture-fixation-technique-for-dislocated-plate-haptic-toric-iol
#6
Remzi Karadag, Bahar Gunes, Veysel Aykut, Halit Oguz, Ahmet Demirok
Purpose We describe a scleral suture fixation technique for dislocated plate haptic toric intraocular lens (IOL) implantation. Materials and methods A double-armed 10-0 straight polypropylene suture was passed into the eye from the sclera (2 mm away from the limbus). A suture needle was passed through the hole on the corner of the IOL and pulled out from the paracentesis with a 27-gauge needle. Afterward, the suture needle was reinserted from the same paracentesis and then removed from the eye with the help of a 27-gauge needle entering the eye from a nearby point to the first scleral entrance...
August 11, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28757698/the-nomadic-ozurdex-%C3%A2-anterior-migration-of-the-dexamethasone-implant-and-back
#7
Priya Srinivasan, Chaitra Jayadev, Rohit Shetty
Dexamethasone intravitreal implantation has been used in various retinal and uveal pathologies. Common complications include cataract formation and raised intraocular pressure. Although uncommon, migration of the implant has also been well reported. We describe a case with migration of the implant into the anterior chamber in a patient with a scleral-fixated intraocular lens, which was managed noninvasively by pupillary dilatation and positioning of the patient.
May 2017: Oman Journal of Ophthalmology
https://www.readbyqxmd.com/read/28753217/retrospective-study-of-visual-outcomes-and-complications-after-sutureless-flapless-and-glueless-intrascleral-fixation-of-posterior-chamber-intraocular-lens-in-children-and-young-adults
#8
V Rajesh Prabu, Smita Kapoor, Swarna Udayakumar, Priyanka Gupta
PURPOSE: To evaluate the visual outcomes and complications after sutureless, flapless, and glueless intrascleral fixation of a posterior chamber intraocular lens (IOL) in patients between the ages of 5 and 20 years. METHODS: Children with gross subluxated lenses and aphakia following intracapsular cataract extraction with inadequate posterior capsular support underwent intrascleral fixation of a standard three-piece posterior chamber IOL without sutures, flaps, or glue...
July 28, 2017: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28746321/scleral-fixation-of-intraocular-lens-with-ab-interno-technique
#9
N K Gurung, R Rijal, B B Thapa, S Gurung
INTRODUCTION: Implantation of scleral fixation intraocular lens for the surgical management of aphakia cases without capsular support is a safe procedure. METHODS: Prospective study was carried out at Lumbini Eye Institute, Bhairahawa. A total of 32 patients underwent scleral fixation intraocular lens implantation within a period of two years from February 2014 to February 2016. RESULTS: The age range was from 15 to 79 years; mean age was 47...
April 2017: JNMA; Journal of the Nepal Medical Association
https://www.readbyqxmd.com/read/28740359/a-new-lens-for-observing-fundus-with-a-noncontact-wide-angle-viewing-system
#10
Mihori Kita, Yukiko Fujii, Sachiyo Hama
Drying of the cornea during surgery, which causes poor visibility of the fundus, is one of the most serious problems when using a noncontact-type wide-angle viewing system. This study used a newly commercialized lens for observing the fundus with a noncontact wide-angle viewing system. The lens used has a very thin meniscus made of polymethyl methacrylate and a large outer diameter. Following the application of viscoelastic material, the lens can be put on the cornea without using a contact lens fixation ring...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28737664/smap3d-corneo-scleral-topographer-repeatability-in-scleral-lens-patients
#11
Gregory DeNaeyer, Donald R Sanders
OBJECTIVES: To determine repeatability of measurements using the sMap3D Corneo-Scleral Topographer in patients presenting for scleral lens fitting. METHODS: As part of our standard clinical evaluation, 25 eyes of 23 patients who presented for scleral lens fitting were examined twice in the same day with the sMap3D in this retrospective study. Sagittal height (SAG), sMap3D principal toricity magnitude (as calculated by the instrument software), and steep axis location were measured at a 16-mm chord diameter...
July 21, 2017: Eye & Contact Lens
https://www.readbyqxmd.com/read/28732604/artificial-iris-implantation-in-various-iris-defects-and-lens-conditions
#12
Christian Mayer, Tamer Tandogan, Andrea E Hoffmann, Ramin Khoramnia
We describe 6 surgical techniques used to implant a silicone iris prosthesis: sector-shaped iris segments that require suturing, injector-assisted sulcus fixation, injector-assisted capsular bag fixation with an intraocular lens (IOL) and capsular tension ring, folded iris tissue implanted with a forceps and sutured to the sclera with a scleral-fixated IOL, "sandwich" or "backpack" implantation with an IOL, and open-sky implantation with a perforating keratoplasty. The results of the techniques performed in 51 patients are discussed...
June 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28730109/human-eye-ocular-component-analysis-for-refractive-state-and-refractive-surgery
#13
Chao-Kai Chang, Jui-Teng Lin, Yong Zhang
AIM: To analyze the clinical factors influencing the human vision corrections via the changing of ocular components of human eye in various applications; and to analyze refractive state via a new effective axial length. METHODS: An effective eye model was introduced by the ocular components of human eye including refractive indexes, surface radius (r1, r2, R1, R2) and thickness (t, T) of the cornea and lens, the anterior chamber depth (S1) and the vitreous length (S2)...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28723783/novel-surgical-management-of-cyclodialysis-cleft-via-anterior-chamber-perfusion-case-report
#14
Jinfei Tang, Ergang Du, Jie Wang
RATIONALE: Cyclodialysis cleft is a relatively rare but severe condition with persistent ocular hypotony, which can cause morphologic changes and visual loss. Here we report a case of a traumatic cyclodialysis cleft that was successfully managed with direct cyclopexy via anterior chamber perfusion. During the operation, if there is aqueous humor flowing out of the deep scleral incision, the cleft is not closed, and surgery should continue until there is no aqueous outflow. PATIENT CONCERNS: A 66-year-old man was treated for severe blunt ocular trauma of the left eye and a resultant cyclodialysis cleft, lens subluxation, choroidal detachment and a cataract...
July 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28715586/iris-claw-intraocular-lens-and-scleral-fixated-posterior-chamber-intraocular-lens-implantations-in-correcting-aphakia-a-meta-analysis
#15
COMPARATIVE STUDY
Wu Jing, Liang Guanlu, Zheng Qianyin, Li Shuyi, He Fengying, Liu Jian, Xu Wen
Purpose: A meta-analysis to compare iris-claw intraocular lens (IC-IOL) and scleral-fixated posterior chamber intraocular lens (SF-PCIOL) implantations in correcting aphakia without sufficient capsular support. Methods: Eligible studies were collected through PubMed, Web of Science, Embase, and the Cochrane library. The pooled relative risks (RR), pooled standardized mean difference (SMD), and their 95% confidence interval of the eligible studies were then calculated...
July 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28700420/comparison-of-2d-and-3d-video-displays-for-teaching-vitreoretinal-surgery
#16
Nisarg Chhaya, Omar Helmy, Niloofar Piri, Agustina Palacio, Shlomit Schaal
PURPOSE: To compare medical students' learning uptake and understanding of vitreoretinal surgeries by watching either 2D or 3D video recordings. METHODS: Three vitreoretinal procedures (tractional retinal detachment, exposed scleral buckle removal, and four-point scleral fixation of an intraocular lens [TSS]) were recorded simultaneously with a conventional recorder for two-dimensional viewing and a VERION 3D HD system using Sony HVO-1000MD for three-dimensional viewing...
July 11, 2017: Retina
https://www.readbyqxmd.com/read/28696826/a-comparative-study-on-surgical-outcomes-of-glued-intraocular-lens-and-sutured-scleral-fixated-intraocular-lens-implantation
#17
Divya Balakrishnan, Vinod Mukundaprasad, Subhadra Jalali, Rajeev Reddy Pappuru
PURPOSE: To compare the surgical outcomes of glued intraocular lens (GIOL) and sutured scleral fixated intraocular lens (SFIOL) implantation. METHODS: A retrospective, interventional case series of 60 patients (68 eyes) who underwent GIOL (28 eyes: 11 primary; 17 secondary) and SFIOL (40 eyes: 24 primary; 16 secondary) in a tertiary eye care institute was done. The main outcome measures were complications, time taken for surgery, postoperative refractive outcomes, and final best-corrected visual acuity (BCVA)...
July 11, 2017: Seminars in Ophthalmology
https://www.readbyqxmd.com/read/28690536/catastrophic-thermal-corneoscleral-injury-treated-with-transplantation-of-donor-scleral-graft
#18
Satoru Kase, Takeshi Ohguchi, Susumu Ishida
BACKGROUND: The aim of this study is to report a patient with senile cataract developing severe thermal corneoscleral injury during phacoemulsification, which was treated with a donor scleral graft. CASE: Severe thermal corneoscleral injury occurred during phacoemulsification in the right eye of a 74-year-old male. His medical history was prostate hypertrophy. Visual acuity was hand motion and the intraocular pressure was 3 mm Hg OD. There was heavy corneal stromal opacity with intraocular fluid leakage...
May 2017: Case Reports in Ophthalmology
https://www.readbyqxmd.com/read/28665442/a-case-of-endophthalmitis-after-bilateral-medial-rectus-recession
#19
Sagar B Patel, Nikitha Reddy, Robert N Hogan, Jennifer H Cao
A 9-month-old male infant with a history of Down syndrome underwent bilateral medial rectus recession. Two weeks postoperatively, he developed leukocoria of the left eye with a white opacity posterior to the lens, numerous undulations, necrosis, and hemorrhages in the retrolental space. His contralateral eye had white retinal lesions nasally. Ultrasound examination of the left eye showed a funnel retinal detachment, loculated debris, and a small, central, hyperechoic area concerning for calcification. He underwent enucleation because retinoblastoma could not be definitively ruled out...
June 29, 2017: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28662940/impacts-of-implantable-collamer-lens-v4c-placement-on-angle-measurements-made-by-optical-coherence-tomography-two-year-follow-up
#20
José Ignacio Fernández-Vigo, Ana Macarro-Merino, Cristina Fernández-Vigo, José Ángel Fernández-Vigo, Lucía De-Pablo-Gómez-de-Liaño, Cristina Fernández-Pérez, Julián García-Feijóo
PURPOSE: To determine iridocorneal angle changes produced after two years of implantable collamer lens(®) (ICL) V4c (STAAR Surgical AG) placement by Fourier-domain optical coherence tomography (FD-OCT). DESIGN: Prospective interventional case series. METHODS: In 54 eyes of 27 myopic subjects FD-OCT (RTVue(®), Optovue Inc.) iridocorneal angle measurements were made before, and 1 month, 3 months, 1 year and 2 years after ICL implant. Trabecular-iris angle (TIA), angle opening distance 500 μm from the scleral spur (AOD500) and iridotrabecular contact length (TICL) were compared among these time points and the quadrants nasal, temporal and inferior...
June 26, 2017: American Journal of Ophthalmology
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