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https://www.readbyqxmd.com/read/27913863/-multifocal-intraocular-lens-miol-surgery-in-young-non-presbyopic-ametropes-reasonable-and-safe
#1
A Frings, J Steinberg, S J Linke, V Druchkiv, T Katz
BACKGROUND: Refractive lens exchange and implantation of a multifocal intraocular lens (MIOL) is mainly advised for ametropes with presbyopia. Non-presbyopic young ametropes who wish spectacle-independence are usually treated with corneal refractive surgery or phakic lenses. OBJECTIVES: This retrospective case series aimed to analyse the refractive and subjective satisfaction outcome after MIOL surgery in both eyes of non-presbyopic ametropes where other treatment options were not possible...
December 2, 2016: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/27911432/-eye-lid-hygiene-in-chronic-allergic-blepharoconjunctivitis-patients-before-laser-refractive-surgery
#2
S V Yanchenko, A V Malyshev, S N Sakhnov, N V Fedotova, O Yu Orekhova
AIM: To evaluate the effectiveness of eyelid hygiene in patients with chronic allergic blepharoconjunctivitis (ABC) as a part of their preparation for laser refractive surgery. MATERIAL AND METHODS: The study involved 32 patients (12 males and 20 females aged 25-42 years) with refractive errors, namely, compound myopic astigmatism (23 patients) and hyperopic astigmatism (9 patients) suffering from chronic ABC and secondary dry eye syndrome (DES). All the patients initially received a standard treatment for ABC and DES, that is olopatodin hydrochloride instillations - 1 mg/ml 2 times daily, preservative-free hyaluronic acid preparation - 1 mg/ml 3 times daily, and polyacrylic acid and dexpanthenol gel at night for one month...
2016: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/27905334/the-opportunistic-screening-of-refractive-errors-in-school-going-children-by-pediatrician-using-enhanced-br%C3%A3-ckner-test
#3
Piyush Jain, Mihir T Kothari, Vaibhav Gode
AIM: The aim of this study was to compare the results of enhanced Brückner test (EBT) performed by a pediatrician and an experienced pediatric ophthalmologist. SUBJECTS AND METHODS: In this prospective double-masked cohort study, a pediatrician and a pediatric ophthalmologist performed the EBT in a classroom of a school in semi-dark lighting condition using a direct ophthalmoscope. The results of the test were compared using 2 × 2 Bayesian table and kappa statistics...
October 2016: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/27897118/smoking-and-eye-pathologies-a-systemic-review-part-i-anterior-eye-segment-pathologies
#4
Małgorzata Nita, Andrzej Grzybowski
BACKGROUND: Tobacco smoking has detrimental influence on human health and is one of the leading causes of preventable mortality worldwide, associated with lung cancer, chronic obstructive lung disease and cardiovascular disease. AIM: The analysis of the influence of tobacco smoking on pathology of the anterior segment of the eye in adults and children. METHODS: A comprehensive review of the literature performed through MEDLINE and PubMed searches, was published during the period 2000-2016...
November 29, 2016: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/27845062/myopic-defocus-in-the-evening-is-more-effective-at-inhibiting-eye-growth-than-defocus-in-the-morning-effects-on-rhythms-in-axial-length-and-choroid-thickness-in-chicks
#5
Debora L Nickla, Pearl Thai, Rinita Zanzerkia Trahan, Kristen Totonelly
Animal models have shown that myopic defocus is a potent inhibitor of ocular growth: brief (1-2 h) daily periods of defocus are sufficient to counter the effects of much longer periods of hyperopic defocus, or emmetropic vision. While the variables of duration and frequency have been well-documented with regard to effect, we ask whether the efficacy of the exposures might also depend on the time of day that they are given. We also ask whether there are differential effects on the rhythms in axial length or choroidal thickness...
November 11, 2016: Experimental Eye Research
https://www.readbyqxmd.com/read/27824376/changes-to-corneal-aberrations-and-vision-after-monovision-in-patients-with-hyperopia-after-using-a-customized-aspheric-ablation-profile-to-increase-corneal-asphericity-q-factor
#6
Romain Courtin, Alain Saad, Alice Grise-Dulac, Emmanuel Guilbert, Damien Gatinel
PURPOSE: To evaluate the visual outcomes and fourth-order Zernike spherical aberrations induced with a customized change in corneal asphericity (ΔQ) correction of presbyopia combined with monovision for hyperopic patients. METHODS: Consecutive hyperopic patients who underwent presbyopic LASIK between September 2013 and July 2014 were included. For the non-dominant eyes, the aspheric ablation profile associated with a myopic refraction was planned using the Custom-Q nomogram (Alcon Laboratories, Inc...
November 1, 2016: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/27799584/association-between-ocular-dominance-and-anisometropic-hyperopia
#7
Rie Hoshikawa, Misae Ito, Takashi Yano, Kenta Tsutsui, Tomoki Sato, Kimiya Shimizu
INTRODUCTION AND PURPOSE: Anisometropia, a relative difference in the refractive state of the two eyes, is common in hyperopic patients. We investigated the association between ocular dominance (sighting dominance) and refractive asymmetry in patients with hyperopia. METHODS: This retrospective study included 223 hyperopic patients with a mean age of 10.1 ± 3.6 years (range 3 to 21 years). Refractive error was measured with cycloplegic refraction, and axial length was measured with IOLMaster(®) (Carl Zeiss Meditec, Dublin, CA)...
January 2016: American Orthoptic Journal
https://www.readbyqxmd.com/read/27757987/does-the-treatment-of-amblyopia-normalise-subfoveal-choroidal-thickness-in-amblyopic-children
#8
Veysi Öner, Asker Bulut
PURPOSE: Recent studies have found a choroidal thickening in amblyopic eyes and suggested that there might be a relationship between the choroid and amblyopia. The present study aimed to evaluate the effect of a six-month treatment of amblyopia on choroidal thickness in anisometropic hyperopic amblyopic children. METHODS: Thirty-two anisometropic hyperopic children with unilateral amblyopia were included in this prospective study. Subfoveal choroidal thickness was measured as the distance between the retinal pigment epithelium and the chorioscleral edge, by using spectral domain enhanced depth imaging optical coherence tomography...
October 18, 2016: Clinical & Experimental Optometry: Journal of the Australian Optometrical Association
https://www.readbyqxmd.com/read/27736947/choroidal-structure-in-children-with-anisohypermetropic-amblyopia-determined-by-binarization-of-optical-coherence-tomographic-images
#9
Tomo Nishi, Tetsuo Ueda, Yuutaro Mizusawa, Kayo Shinomiya, Kentaro Semba, Yoshinori Mitamura, Shozo Sonoda, Eisuke Uchino, Taiji Sakamoto, Nahoko Ogata
PURPOSE: To compare the choroidal structure of the subfoveal area in the eyes of children with anisohypermetropic amblyopia to that of the fellow eyes and to age-matched controls using a binarization method of the images obtained by enhanced depth imaging optical coherence tomography (EDI-OCT). METHODS: This study was performed at Nara Medical University Hospital, Tokushima University Hospital, and Kagoshima University Hospital, Japan. Forty amblyopic eyes with anisohypermetropic amblyopia and their fellow eyes (5...
2016: PloS One
https://www.readbyqxmd.com/read/27718778/long-term-refractive-status-of-preterm-infants-from-singleton-and-multiple-pregnancies
#10
N Levy, E S Shinwell, H Leiba
OBJECTIVE: To study the effect of plurality on refractive status in former preterm infants at age 8-12 years. METHODS: Refraction was compared in singletons and multiples, in Very Low Birth Weight infants (VLBW, <1500 grams) at age 6 months and 8-12 years. Preterm infants were compared with a group of term infants. RESULTS: 37 of 104 (36%) VLBW infants were multiples. Comparison of refraction between singletons and multiples revealed no difference at age 6 months, while at age 8-12 years, multiples had significantly more refractive errors (singletons 28% vs multiples 54% p = 0...
October 9, 2016: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/27661991/refractive-outcome-of-cataract-surgery-in-eyes-with-prior-trabeculectomy-risk-factors-for-postoperative-myopia
#11
Oliver L Yeh, Karine D Bojikian, Mark A Slabaugh, Philip P Chen
PURPOSE: To examine refractive outcomes after phacoemulsification in eyes with prior trabeculectomy. DESIGN: Retrospective observational case-control study METHODS:: Comparison of eyes of glaucoma patients undergoing cataract surgery after trabeculectomy (study group) with a matched group with medically controlled glaucoma (control group). Laser interferometry was used to obtain ocular biometry. We measured the difference between the expected and actual postoperative refraction using third-generation and fourth-generation intraocular lens (IOL) prediction formulae (Haigis, Holladay 2, Hoffer Q, and SRK-T)...
September 21, 2016: Journal of Glaucoma
https://www.readbyqxmd.com/read/27661069/two-year-refractive-outcomes-after-descemet-membrane-endothelial-keratoplasty
#12
Korine van Dijk, Marina Rodriguez-Calvo-de-Mora, Hilde van Esch, Laurence Frank, Isabel Dapena, Lamis Baydoun, Silke Oellerich, Gerrit R J Melles
PURPOSE: To monitor refractive changes after Descemet membrane endothelial keratoplasty (DMEK) and to determine what may influence these changes and the time point of stabilization. METHODS: From 67 pseudophakic DMEK eyes operated on for Fuchs endothelial dystrophy at a tertiary referral center, biomicroscopy, visual acuity, subjective refraction, and Scheimpflug-based corneal tomography data were obtained before and up to 2 years postoperatively. Visual acuity and changes in spherical equivalent (SE), mean anterior and posterior simulated keratometry (Km), and central pachymetry were analyzed...
September 21, 2016: Cornea
https://www.readbyqxmd.com/read/27658971/-first-experience-with-femtosecond-laser-presbyopia-correction-method-intracor
#13
P Žiak, K Lucká, P Mojžiš, I Katuščáková, J Halička
: We report the first experience with presbyopia correcting femtosecond laser surgical procedure INTRACOR. This procedure is so far the only one that is made purely intrastromally without generating a wound connected to corneal surface or anterior chamber.Presbyopia - caused by physiological aging and decreasing elasticity of the lens, impairs patients accommodative ability. In the case of the method INTRACOR, presbyopia is corrected by steepening of corneal curvature in the central optical zone...
2016: Ceská a Slovenská Oftalmologie
https://www.readbyqxmd.com/read/27639497/influence-of-different-types-of-astigmatism-on-visual-acuity
#14
Laura Remón, Juan A Monsoriu, Walter D Furlan
PURPOSE: To investigate the change in visual acuity (VA) produced by different types of astigmatism (on the basis of the refractive power and position of the principal meridians) on normal accommodating eyes. METHODS: The lens induced method was employed to simulate a set of 28 astigmatic blur conditions on different healthy emmetropic eyes. Additionally, 24 values of spherical defocus were also simulated on the same eyes for comparison. VA was measured in each case and the results, expressed in logMAR units, were represented against of the modulus of the dioptric power vector (blur strength)...
September 14, 2016: Journal of Optometry
https://www.readbyqxmd.com/read/27631415/-the-kamra%C3%A2-inlay-a%C3%A2-realistic-approach
#15
M El-Husseiny, L Daas, A Viestenz, A Langenbucher, B Seitz
BACKGROUND AND PURPOSE: The KAMRA™ inlay (AcuFocus, Irvine, California, USA) is an additional option for correcting presbyopia that has been used for many years in refractive surgery. Our objective is to report our three-month postoperative results of KAMRA™ inlay implantation in terms of near, intermediate and distance vision. PATIENTS AND METHODS: All 24 patients (average age 54.1 ± 6.0 years) were treated with the KAMRA™ inlay in the non-dominant eye (75 % in the left eye) by the same surgeon (MEH)...
September 8, 2016: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/27628587/corneal-thickening-and-central-flattening-induced-by-femtosecond-laser-hyperopic-shaped-intrastromal-lenticule-implantation
#16
Leonardo Mastropasqua, Mario Nubile
PURPOSE: To investigate the feasibility of the procedure and the modifications of the corneal curvature and profile obtained with a novel technique of stromal-lentoid implantation in ex vivo human corneas. DESIGN: Experimental ex vivo study in human corneas. MATERIALS AND METHODS: Twelve stromal lentoids were produced by means of hyperopic femtosecond lenticule extraction (FLEx) with the VisuMax femtosecond laser (Carl Zeiss Meditec, Jena, Germany) with a refractive power of +8...
September 15, 2016: International Ophthalmology
https://www.readbyqxmd.com/read/27625591/bidirectional-expression-of-metabolic-structural-and-immune-pathways-in-early-myopia-and-hyperopia
#17
Nina Riddell, Loretta Giummarra, Nathan E Hall, Sheila G Crewther
Myopia (short-sightedness) affects 1.45 billion people worldwide, many of whom will develop sight-threatening secondary disorders. Myopic eyes are characterized by excessive size while hyperopic (long-sighted) eyes are typically small. The biological and genetic mechanisms underpinning the retina's local control of these growth patterns remain unclear. In the present study, we used RNA sequencing to examine gene expression in the retina/RPE/choroid across 3 days of optically-induced myopia and hyperopia induction in chick...
2016: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/27613334/frequency-of-prepapillary-vascular-loops-in-congolese-patients
#18
D Kaimbo Wa Kaimbo
PURPOSE: To determine the frequency of prepapillary vascular loops in the population of Congolese patients. METHODS: We performed a retrospective cross-sectional and descriptive analysis of the data collected between January 2005 and August 2014 from patients diagnosed with prepapillary vascular loops, in an outpatient eye clinic, a general ophthalmology practice. RESULTS: Out of 16,016 patients seen during the study period, 24 patients (27 eyes) were diagnosed with prepapillary vascular loops, for a frequency of 0...
October 2016: Journal Français D'ophtalmologie
https://www.readbyqxmd.com/read/27609164/phenotypic-characterization-of-x-linked-retinoschisis-clinical-electroretinography-and-optical-coherence-tomography-variables
#19
Srividya Neriyanuri, Sudha Dhandayuthapani, Jayamuruga Pandian Arunachalam, Rajiv Raman
AIMS: To study the phenotypic characteristics of X-linked retinoschisis (XLRS) and report the clinical, electroretinogram (ERG), and optical coherence tomography (OCT) variables in Indian eyes. DESIGN: A retrospective study. MATERIALS AND METHODS: Medical records of 21 patients with retinoschisis who were genetically confirmed to have RS1 mutation were reviewed. The phenotype characterization included the age of onset, best-corrected visual acuity, refractive error, fundus findings, OCT, and ERG...
July 2016: Indian Journal of Ophthalmology
https://www.readbyqxmd.com/read/27604145/tietz-waardenburg-type-2a-syndrome-associated-with-posterior-microphthalmos-in-two-unrelated-patients-with-novel-mitf-gene-mutations
#20
Vianney Cortés-González, Juan Carlos Zenteno, Martín Guzmán-Sánchez, Verónica Giordano-Herrera, Dalia Guadarrama-Vallejo, Narlly Ruíz-Quintero, Cristina Villanueva-Mendoza
Tietz syndrome and Waardenburg syndrome type 2A are allelic conditions caused by MITF mutations. Tietz syndrome is inherited in an autosomal dominant pattern and is characterized by congenital deafness and generalized skin, hair, and eye hypopigmentation, while Waardenburg syndrome type 2A typically includes variable degrees of sensorineural hearing loss and patches of de-pigmented skin, hair, and irides. In this paper, we report two unrelated families with MITF mutations. The first family showed an autosomal dominant pattern and variable expressivity...
September 8, 2016: American Journal of Medical Genetics. Part A
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