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Scleral lens

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https://www.readbyqxmd.com/read/28538612/scleral-contact-lenses-in-an-academic-oculoplastics-clinic-epidemiology-and-emerging-considerations
#1
Harinder S Chahal, Marcela Estrada, Christine W Sindt, Jacob A Boehme, Mark A Greiner, Jeffrey A Nerad, Keith D Carter, Richard C Allen, Erin M Shriver
PURPOSE: To describe the role and efficacy of scleral contact lenses (SCLs) in the treatment of progressive keratopathy in patients who have undergone periocular surgical procedures, to investigate the financial impact of these surgical interventions, and to demonstrate the role of oculoplastic surgery in improving scleral contact lens fit. METHODS: A retrospective medical record review was performed to identify patients who both received SCLs and were examined by the oculoplastics service at the University of Iowa between January 1990 and December 2015...
May 22, 2017: Ophthalmic Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28523526/iris-fixated-phakic-intraocular-lens-implantation-in-an-adult-with-retinopathy-of-prematurity-1-year-follow-up
#2
Young Shin Kim, Jin Kwon Chung, Sung Jin Lee
PURPOSE: To report a case of iris-fixated phakic intraocular lens (pIOL) implantation in a patient with an extremely steep cornea, shallow anterior chamber, and small corneal diameter caused by retinopathy of prematurity (ROP) and scleral encircling. METHODS: Case report. RESULTS: Iris-fixated pIOLs were implanted in a 19-year-old patient with refraction of -18.5 -0.75 × 180 in the right eye and -15.5 -1.25 × 180 in the left eye. The keratometric values were 53...
May 18, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28513499/role-of-mini-scleral-lens-in-mucous-membrane-pemphigoid
#3
Mukesh Kumar, Rohit Shetty, Chaitra Jayadev
This study aims to report the use of mini-scleral contact lens in the management of mucous membrane pemphigoid (MMP) with persistent epithelial defects. A 68-year-old male with a history of ocular pain and declining visual acuity was referred to our clinic with a diagnosis of MMP. His corrected distance visual acuity (CDVA) was 20/200 in the right eye and 20/100 in the left eye. Despite being on lubricants, topical steroids and intravenous cyclophosphamide, the patient developed persistent corneal epithelial defects in both eyes...
April 2017: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/28511422/posterior-chamber-scleral-fixation-of-intraocular-lenses-in-post-vitrectomised-aphakic-eyes
#4
Francis Kwasi Obeng, Vipan Kumar Vig, Preetam Singh, Rajbir Singh, Bodhraj Dhawan, Nikhil Sahajpal
INTRODUCTION: The best method of aphakia correction is in the bag implantation of Posterior Chamber Intraocular Lens (PCIOL). When this ideal procedure is not possible due to lack of integrity of posterior capsule or zonules, the other alternatives are broadly categorized into two: extraocular and intraocular. Whereas, the former includes contact lenses and aphakic glasses, the latter ones are further divided into anterior and posterior chamber methods. Anterior Chamber Intraocular Lenses (ACIOL) can be with or without iris claw...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28501444/modern-scleral-lenses-mini-versus-large
#5
REVIEW
Daddi Fadel
The evolution of scleral lenses has led to new formulations of scleral fitting concepts and designs. The diameters of modern scleral lenses have been overhauled too and they are smaller comparing to the original ones. Nowadays, prescription of mini-sclerals supposedly seems in major extension and it appears indeed the necessity of some practitioner to differentiate the smaller mini-scleral lenses from larger mini-scleral lenses empathizing that they are the "smaller" ones. Therefore, it is maybe, necessary a definition of mini-scleral lenses referring to the landing zone width in relation to the horizontal visible iris diameter (HVID) and the limbus extension...
May 10, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28497619/change-in-over-refraction-after-scleral-lens-settling-on-average-corneas
#6
Chelsea Bray, Stephanie Britton, Debby Yeung, Lacey Haines, Luigina Sorbara
PURPOSE: The purpose of this study was to determine the change in over-refraction, if any, after a scleral lens settled on the eye for 6-8 h. METHODS: Sixteen patients of varying refractive errors and normal corneal curvatures (measured with Pentacam(™) Oculus) were fitted with trial Mini-Scleral Design (MSD) scleral lenses (15.8 mm diameter) in one eye. The sagittal depths of the scleral lenses were selected by adding 350 μm to the corneal sagittal heights measured at a chord length of 15 mm with the Visante(™) optical coherence tomographer (OCT) anterior segment scans and picking the closest available trial lens in the set...
May 12, 2017: Ophthalmic & Physiological Optics: the Journal of the British College of Ophthalmic Opticians (Optometrists)
https://www.readbyqxmd.com/read/28492433/combined-pars-plana-vitrectomy-and-scleral-fixation-of-an-intraocular-lens-using-gore-tex-suture-one-year-outcomes
#7
M Ali Khan, Wasim A Samara, Adam T Gerstenblith, Allen Chiang, Sonia Mehta, Sunir J Garg, Jason Hsu, Omesh P Gupta
PURPOSE: To report the 1-year clinical outcomes of combined pars plana vitrectomy and ab externo scleral fixation of an intraocular lens using Gore-Tex suture. METHODS: Retrospective, interventional case series. Outcome measures were change in visual acuity and occurrence of intraoperative and postoperative complications with minimum follow-up of 1 year. RESULTS: Eighty-four eyes of 83 patients were identified. The mean best available visual acuity improved from 20/782 preoperatively to 20/65 postoperatively (P < 0...
May 10, 2017: Retina
https://www.readbyqxmd.com/read/28487797/echographic-evaluation-of-a-subconjunctival-cystic-lesion
#8
Maddalena De Bernardo, Gennarfrancesco Iaccarino, Valeria Russo, Nicola Rosa
Migration of intraocular silicone oil, used in the treatment of complicated retinal detachment, has been rarely described, but when it happens it can arise with a differential diagnosis with scleral buckling extrusion, tumor, dermoid, ocular cysticercosis, and abscess. The presence of silicone oil in the eye gives very ugly echographic pictures, but these kinds of pictures can be very useful in making a differential diagnosis in the above-mentioned cases. A 39-year-old white female complained of the presence of conjunctival hyperemia and tearing in the right eye (RE); her visual acuity was hand motion, and the intraocular pressure was 14 mmHg...
2017: Case Reports in Ophthalmological Medicine
https://www.readbyqxmd.com/read/28457613/flanged-intrascleral-intraocular-lens-fixation-with-double-needle-technique
#9
Shin Yamane, Shimpei Sato, Maiko Maruyama-Inoue, Kazuaki Kadonosono
PURPOSE: To report the clinical outcomes of a new technique for transconjunctival intrascleral fixation of an intraocular lens (IOL). DESIGN: Prospective, noncomparative, interventional case series. PARTICIPANTS: One hundred eyes of 97 consecutive patients with aphakia, dislocated IOL, or subluxated crystalline lens who underwent posterior chamber sutureless implantation of an IOL were studied. METHODS: Two angled incisions parallel to the limbus were made by 30-gauge thin-wall needles...
April 27, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28426745/objective-classification-of-zonular-weakness-based-on-lens-movement-at-the-start-of-capsulorhexis
#10
Saori Yaguchi, Shigeo Yaguchi, Yukari Yagi-Yaguchi, Tadahiko Kozawa, Hiroko Bissen-Miyajima
PURPOSE: To quantify zonular weakness based on lens movement at the start of continuous curvilinear capsulorhexis (CCC) and establish a classification system for it. SETTING: Kozawa Eye Hospital and Diabetes Center, Mito, Japan. DESIGN: Retrospective interventional case series. METHODS: We examined 402 consecutive eyes of 316 patients who underwent CCC, phacoemulsification and aspiration (PEA), and intraocular lens (IOL) implantation...
2017: PloS One
https://www.readbyqxmd.com/read/28410710/supracapsular-glued-intraocular-lens-in%C3%A2-progressive-subluxated-cataracts-technique-to-retain-an-intact-vitreous-face
#11
Soosan Jacob, Smita Narasimhan, Amar Agarwal, Cosimo Mazzotta, Miguel Rechichi, Athiya Agarwal
We describe a technique to prevent late intraocular lens (IOL) subluxation and dislocation that can be associated with progressive zonulopathy. Supracapsular glued IOL fixation is done to retain an intact anterior hyaloid face and avoid vitreous disturbance while providing stable long-term IOL fixation. Phacoemulsification is followed by glued IOL implantation above intact anterior and posterior capsules. Sclerotomies are created ab interno in a supracapsular plane under diametrically opposite lamellar scleral flaps without entering the vitreous cavity...
March 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28407114/establishment-of-detailed-eye-model-of-adult-chinese-male-and-dose-conversion-coefficients-calculation-under-neutron-exposure
#12
Hongyu Zhu, Rui Qiu, Zhen Wu, Li Ren, Chunyan Li, Hui Zhang, Junli Li
The human eye lens is sensitive to radiation. ICRP-118 publication recommended a reduction of the occupational annual equivalent dose limit from 150 to 20 mSv, averaged over defined periods of 5 y. Therefore, it is very important to build a detailed eye model for the accurate dose assessment and radiation risk evaluation of eye lens. In this work, a detailed eye model was build based on the characteristic anatomic parameters of the Chinese adult male. This eye model includes seven main structures, which are scleral, choroid, lens, iris, cornea, vitreous body and aqueous humor...
April 12, 2017: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/28394876/scleral-lens-prescription-and-management-practices-the-scope-study
#13
Jennifer Harthan, Cherie B Nau, Joseph Barr, Amy Nau, Ellen Shorter, Nicolette T Chimato, David O Hodge, Muriel M Schornack
OBJECTIVES: To assess current scleral lens prescription and management practices by conducting an international online survey of eye care providers. METHODS: The SCOPE (Scleral Lenses in Current Ophthalmic Practice: an Evaluation) study group designed and administered an online survey regarding current scleral lens prescription and management practices. The survey was open from January 15 to March 31, 2015, and generated 723 responses from individuals who had fit at least 5 patients with scleral lenses...
April 6, 2017: Eye & Contact Lens
https://www.readbyqxmd.com/read/28385302/subclassification-of-primary-angle-closure-using-anterior-segment-optical-coherence-tomography-and-ultrasound-biomicroscopic-parameters
#14
Junki Kwon, Kyung Rim Sung, Seungbong Han, Ye Ji Moon, Joong Won Shin
PURPOSE: To classify eyes with primary angle closure (PAC) in terms of the features visualized using anterior segment optical coherence tomography (AS-OCT) and ultrasound biomicroscopy (UBM). DESIGN: Retrospective, observational study. PARTICIPANTS: A total of 73 eyes of 73 patients with PAC. METHODS: Participants' eyes that had undergone laser peripheral iridotomy (LPI) were imaged using AS-OCT and UBM under the same lighting conditions...
April 3, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28380096/visual-rehabilitation-using-mini-scleral-contact-lenses-after-penetrating-keratoplasty
#15
Guilherme Andrade do Nascimento Rocha, Patrícia Oliveira Braga Miziara, Ana Clara Vieira de Castro, Arthur Andrade do Nascimento Rocha
Purpose: To report the visual rehabilitation outcomes and complications of patients fitted with mini-scleral rigid gas-permeable (RGP) contact lenses (mini-SCLs) after penetrating keratoplasty. Methods: We retrospectively reviewed 27 eyes (21 patients) that were fitted with mini-SCLs between October 2013 and December 2014. We analyzed demographic data, previous corneal disorders, visual outcomes, interval from keratoplasty to contact lens fitting, topographic and specular microscope data, fitted contact lens parameters, and complications...
January 2017: Arquivos Brasileiros de Oftalmologia
https://www.readbyqxmd.com/read/28376729/iris-reconstruction-using-autologous-iris-preserved-in-cold-balanced-salt-solution-for-8-hours-in-iatrogenic-total-iridodialysis-during-cataract-surgery-a-case-report
#16
Seung Pil Bang, Jong Hwa Jun
BACKGROUND: A large iris defect or extensive iridodialysis can be an intractable cause of visual disturbance, photophobia, glare, monocular diplopia, or cosmetic deformity. The implantation of an artificial iris substitute could be an effective option, but this can cause a reduction in endothelial cell density. We succeeded in the anatomical restoration of iris tissue that was totally dialyzed out of the eye, and was preserved in cold balanced salt solution for 8 h. Engrafted iris tissue was maintained within the aqueous humor...
April 4, 2017: BMC Ophthalmology
https://www.readbyqxmd.com/read/28370269/eye-ontogeny-in-pleurodema-bufoninum-a-comparison-with-pleurodema-somuncurense-anura-leptodactylidae
#17
Clara Volonteri, Diego A Barrasso, Leonardo Cotichelli, Néstor G Basso, Gladys N Hermida
Vision is one of the main sensory systems in amphibians, and the eye structure is highly associated with habitat conditions. The ontogeny, as well as the adult structure, of the eye has been studied in only a few species. The life change after metamorphosis is accompanied by changes in the visual environment. The aim of this work is to describe the eye ontogeny of Pleurodema bufoninum and to compare it with that of Pleurodema somuncurense. Specimens of both Pleurodema species were processed for histology analysis at different stages of development, including the tadpole, postmetamorphic, and adult forms...
April 2, 2017: Journal of Morphology
https://www.readbyqxmd.com/read/28366677/change-in-vault-during-scleral-lens-trials-assessed-with-anterior-segment-optical-coherence-tomography
#18
Varsha M Rathi, Preeji S Mandathara, Srikanth Dumpati, Virender S Sangwan
PURPOSE: To assess the change in vault during scleral lens fitting with anterior segment optical coherence tomography (AS-OCT). METHODS: This study comprised of patients who had AS-OCT performed after 1h and 4h of scleral lens wear (PROSE, prosthetic replacement of the ocular surface ecosystem, Boston Foundation for Sight, Needham Heights, MA, USA). Vault was measured on AS-OCT as the distance between the front surface of the cornea in the center and the back surface of the scleral lens...
March 30, 2017: Contact Lens & Anterior Eye: the Journal of the British Contact Lens Association
https://www.readbyqxmd.com/read/28366361/modified-technique-for-intrascleral-fixation-of-posterior-chamber-intraocular-lens-without-scleral-flaps
#19
Yu Zhang, Fanglin He, Jing Jiang, Qingjian Li, Zhiliang Wang
We present a modified technique for intrascleral fixation of a posterior chamber intraocular lens (IOL) without scleral flaps and assess its long-term safety and efficacy. The haptics of the IOL are externalized with a 23-gauge forceps and fixated in a scleral tunnel. Two clockwise scleral incisions are made using a 23-gauge needle at an angle 30 degrees above the sclera. A 3-piece IOL is inserted into the anterior chamber with an injector through the cornea incision, and the trailing haptic is kept outside to prevent the IOL from falling into the vitreous cavity...
February 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28356143/reverse-pupillary-block-after-implantation-of-a-scleral-sutured-posterior-chamber-intraocular-lens-a-retrospective-open-study
#20
Seung Pil Bang, Choun-Ki Joo, Jong Hwa Jun
BACKGROUND: To report the clinical features of patients with reverse pupillary block (RPB) after scleral-sutured posterior chamber intraocular lens (PC IOL) implantation and biometric changes after laser peripheral iridotomy (LPI). METHODS: Eight patients attending our hospital's ophthalmology outpatient clinic, who developed RPB after implantation of a scleral-sutured PC IOL due to subluxation of the crystalline lens or IOL, were investigated in this retrospective, observational study...
March 29, 2017: BMC Ophthalmology
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