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  1 / 2219 MEDLINE  
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[PMID]:29390295
[Au] Autor:Röck T; Bartz-Schmidt KU; Röck D
[Ti] Título:Management of a neurotrophic deep corneal ulcer with amniotic membrane transplantation in a patient with functional monocular vision: A case report.
[So] Source:Medicine (Baltimore);96(50):e8997, 2017 Dec.
[Is] ISSN:1536-5964
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:RATIONALE: Amniotic membrane transplantation (AMT) has been performed therapeutically in humans for over 100 years. In recent 2 decades AMTs have been used increasingly and successfully to treat various types of ophthalmic indications. PATIENT CONCERNS: An 83-year-old man was referred to our eye hospital with a refractory neurotrophic deep corneal ulcer of the left eye. DIAGNOSES: The best-corrected visual acuity of the left eye was 0.5 (0.3 logMAR) and of the right eye was 0.05 (1.3 logMAR), which was caused by a central retinal vein occlusion 5 years previously. In cases of binocular vision, a large amniotic membrane patch can cover the whole cornea, including the optical axis. However, in cases with functional monocular vision, as in the case reported here, the AMT has to be performed without the involvement of the optical axis to ensure vision for the patient. Otherwise the patient would have a massively restricted view like looking through waxed paper for at least 2-4 weeks until the overlay dissolved. INTERVENTIONS: For this case, an AMT using a modified sandwich technique was applied without involvement of the optic axis to ensure vision for the patient. This case report illustrates this eye's course of healing over time. OUTCOMES: A reduction in the inflammation and healing of the corneal ulcer could be seen. In addition, the corneal vascularization decreased. Six months after the AMT, a slit-lamp examination revealed stable findings. The best-corrected visual acuity of the left eye had increased to 0.8 (0.1 logMAR). LESSONS: To the best of our knowledge, a case report on the management of a neurotrophic deep corneal ulcer with AMT in a patient with functional monocular vision has never been undertaken before.
[Mh] Termos MeSH primário: Âmnio/transplante
Úlcera da Córnea/cirurgia
Visão Monocular
[Mh] Termos MeSH secundário: Idoso de 80 Anos ou mais
Seres Humanos
Masculino
Acuidade Visual
[Pt] Tipo de publicação:CASE REPORTS; JOURNAL ARTICLE
[Em] Mês de entrada:1802
[Cu] Atualização por classe:180301
[Lr] Data última revisão:
180301
[Sb] Subgrupo de revista:AIM; IM
[Da] Data de entrada para processamento:180203
[St] Status:MEDLINE
[do] DOI:10.1097/MD.0000000000008997


  2 / 2219 MEDLINE  
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[PMID]:28951447
[Au] Autor:Schecter RW; Maher EE; Welsh CA; Stevens B; Erisir A; Bear MF
[Ad] Endereço:Picower Institute for Learning and Memory, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139.
[Ti] Título:Experience-Dependent Synaptic Plasticity in V1 Occurs without Microglial CX3CR1.
[So] Source:J Neurosci;37(44):10541-10553, 2017 Nov 01.
[Is] ISSN:1529-2401
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Brief monocular deprivation (MD) shifts ocular dominance and reduces the density of thalamic synapses in layer 4 of the mouse primary visual cortex (V1). We found that microglial lysosome content is also increased as a result of MD. Previous studies have shown that the microglial fractalkine receptor CX3CR1 is involved in synaptic development and hippocampal plasticity. We therefore tested the hypothesis that neuron-to-microglial communication via CX3CR1 is an essential component of visual cortical development and plasticity in male mice. Our data show that CX3CR1 is not required for normal development of V1 responses to visual stimulation, multiple forms of experience-dependent plasticity, or the synapse loss that accompanies MD in layer 4. By ruling out an essential role for fractalkine signaling, our study narrows the search for understanding how microglia respond to active synapse modification in the visual cortex. Microglia in the visual cortex respond to monocular deprivation with increased lysosome content, but signaling through the fractalkine receptor CX3CR1 is not an essential component in the mechanisms of visual cortical development or experience-dependent synaptic plasticity.
[Mh] Termos MeSH primário: Potenciais Evocados Visuais/fisiologia
Microglia/metabolismo
Plasticidade Neuronal/fisiologia
Receptores de Quimiocinas/deficiência
Córtex Visual/crescimento & desenvolvimento
Córtex Visual/metabolismo
[Mh] Termos MeSH secundário: Animais
Receptor 1 de Quimiocina CX3C
Comunicação Celular/fisiologia
Corpos Geniculados/crescimento & desenvolvimento
Corpos Geniculados/metabolismo
Masculino
Camundongos
Camundongos da Linhagem 129
Camundongos Endogâmicos C57BL
Camundongos Knockout
Camundongos Transgênicos
Técnicas de Cultura de Órgãos
Visão Monocular/fisiologia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Nm] Nome de substância:
0 (CX3C Chemokine Receptor 1); 0 (Cx3cr1 protein, mouse); 0 (Receptors, Chemokine)
[Em] Mês de entrada:1711
[Cu] Atualização por classe:171117
[Lr] Data última revisão:
171117
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170928
[St] Status:MEDLINE
[do] DOI:10.1523/JNEUROSCI.2679-16.2017


  3 / 2219 MEDLINE  
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[PMID]:28910338
[Au] Autor:Griffen TC; Haley MS; Fontanini A; Maffei A
[Ad] Endereço:Program in Neuroscience, Stony Brook University, Stony Brook, New York, United States of America.
[Ti] Título:Rapid plasticity of visually evoked responses in rat monocular visual cortex.
[So] Source:PLoS One;12(9):e0184618, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Sensory cortical circuits are shaped by experience during sensitive periods in development. In the primary visual cortex (V1) altered visual experience results in changes in visual responsiveness of cortical neurons. The experience-dependent refinement of the circuit in V1 is thought to rely on competitive interactions between feedforward circuits driven by the two eyes. However, recent data have provided evidence for an additional role of cortico-cortical circuits in this process. Indeed, experience-dependent changes in intracortical circuits can be induced rapidly and may result in rapid-onset functional changes. Unilateral occlusion of vision rapidly alters visual responsiveness, synaptic strength and connectivity of local circuits in the binocular region of V1 (V1b), where the inputs from the two eyes converge. In the monocular region of rodent V1 (V1m), where feedforward inputs from the ipsilateral eye are virtually absent, visual deprivation induces rapid plasticity in local circuits; however, functional changes seem to occur only after long periods of deprivation. In V1m there is currently no evidence for functional changes occurring within a time window compatible with that of local circuit plasticity. Here, we probed the visual responsiveness of neurons in rat V1m and assessed the effect of one day unilateral eye lid suture on single neuron visual responses. We report a novel form of plasticity within V1m that occurs on a timescale consistent with the earliest known changes in synaptic strength. Our data provide new insights into how sensory experience can rapidly modulate neuronal responses, even in the absence of direct competition between feedforward thalamocortical inputs.
[Mh] Termos MeSH primário: Potenciais Evocados Visuais
Neurônios/fisiologia
Visão Monocular/fisiologia
Córtex Visual/fisiologia
[Mh] Termos MeSH secundário: Potenciais de Ação
Animais
Feminino
Masculino
Plasticidade Neuronal
Estimulação Luminosa
Ratos
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171013
[Lr] Data última revisão:
171013
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170915
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0184618


  4 / 2219 MEDLINE  
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[PMID]:28858046
[Au] Autor:Freeman RD
[Ad] Endereço:University of California, Berkeley School of Optometry, Berkeley, CA *rfreeman@berkeley.edu.
[Ti] Título:2015 Charles F. Prentice Medal Award Lecture: Neural Organization of Binocular Vision.
[So] Source:Optom Vis Sci;94(10):931-938, 2017 Oct.
[Is] ISSN:1538-9235
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:During a Research Career Development Award from the National Eye Institute, I spent a year at the University of Cambridge doing research with John Robson. The goal was to use a visual stimulation approach that had not been previously attempted, with the intention of exploring fundamental organization principles of the neural basis of binocular vision. The idea was to use sinusoidal gratings that drifted before both eyes such that the relative phase for one eye was fixed while that of the other was varied. This provided binocular stimuli of variable relative phase, i.e. retinal disparity, to enable testing of binocular response characteristics. We were able to obtain different types of disparity tuning functions for neurons in the primary visual cortex. This work, followed by extended investigations in Berkeley, provided basic information regarding response characteristics of simple and complex cells. We have also shown for monocular deprivation, an approximate model for human amblyopia, that many neurons remain connected to the deprived eye, as demonstrated with dichoptic activation. A selected portion of this work is described here.
[Mh] Termos MeSH primário: Distinções e Prêmios
Pesquisa Biomédica
Visão Binocular/fisiologia
Córtex Visual/fisiologia
[Mh] Termos MeSH secundário: Animais
Seres Humanos
Neurônios
Visão Monocular/fisiologia
[Pt] Tipo de publicação:LECTURES
[Em] Mês de entrada:1710
[Cu] Atualização por classe:171018
[Lr] Data última revisão:
171018
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170901
[St] Status:MEDLINE
[do] DOI:10.1097/OPX.0000000000001116


  5 / 2219 MEDLINE  
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[PMID]:28727615
[Au] Autor:Peli E; Jung JH
[Ad] Endereço:Schepens Eye Research Institute, Massachusetts Eye and Ear, Department of Ophthalmology, Harvard Medical School, Boston, Massachusetts.
[Ti] Título:Multiplexing Prisms for Field Expansion.
[So] Source:Optom Vis Sci;94(8):817-829, 2017 Aug.
[Is] ISSN:1538-9235
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:PURPOSE: Prisms used for field expansion are limited by the optical scotoma at a prism apex (apical scotoma). For a patient with two functioning eyes, fitting prisms unilaterally allows the other eye to compensate for the apical scotoma. A monocular patient's field loss cannot be expanded with a conventional or Fresnel prism because of the apical scotoma. A newly invented optical device, the multiplexing prism (MxP), was developed to overcome the apical scotoma limitation in monocular field expansion. METHODS: A Fresnel-prism-like device with alternating prism and flat elements superimposes shifted and see-through views, thus creating the (monocular) visual confusion required for field expansion and eliminating the apical scotoma. Several implementations are demonstrated and preliminarily evaluated for different monocular conditions with visual field loss. The field expansion of the MxP is compared with the effect of conventional prisms using calculated and measured perimetry. RESULTS: Field expansion without apical scotomas is shown to be effective for monocular patients with hemianopia or constricted peripheral field. The MxPs are shown to increase the nasal field for a patient with only one eye and for patients with bitemporal hemianopia. The MxPs placed at the far temporal field are shown to expand the normal visual field. The ability to control the contrast ratio between the two images is verified. CONCLUSIONS: A novel optical device is demonstrated to have the potential for field expansion technology in a variety of conditions. The devices may be inexpensive and can be constructed in a cosmetically acceptable format.
[Mh] Termos MeSH primário: Hemianopsia/reabilitação
Dispositivos Ópticos
Visão Binocular/fisiologia
Campos Visuais/fisiologia
[Mh] Termos MeSH secundário: Adulto
Feminino
Hemianopsia/fisiopatologia
Seres Humanos
Masculino
Meia-Idade
Visão Monocular/fisiologia
Testes de Campo Visual
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170913
[Lr] Data última revisão:
170913
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170721
[St] Status:MEDLINE
[do] DOI:10.1097/OPX.0000000000001102


  6 / 2219 MEDLINE  
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[PMID]:28598996
[Au] Autor:Richards MD; Goltz HC; Wong AMF
[Ad] Endereço:Institute of Medical Science, Faculty of Medicine, University of Toronto, Toronto, Canada.
[Ti] Título:Alterations in audiovisual simultaneity perception in amblyopia.
[So] Source:PLoS One;12(6):e0179516, 2017.
[Is] ISSN:1932-6203
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Amblyopia is a developmental visual impairment that is increasingly recognized to affect higher-level perceptual and multisensory processes. To further investigate the audiovisual (AV) perceptual impairments associated with this condition, we characterized the temporal interval in which asynchronous auditory and visual stimuli are perceived as simultaneous 50% of the time (i.e., the AV simultaneity window). Adults with unilateral amblyopia (n = 17) and visually normal controls (n = 17) judged the simultaneity of a flash and a click presented with both eyes viewing. The signal onset asynchrony (SOA) varied from 0 ms to 450 ms for auditory-lead and visual-lead conditions. A subset of participants with amblyopia (n = 6) was tested monocularly. Compared to the control group, the auditory-lead side of the AV simultaneity window was widened by 48 ms (36%; p = 0.002), whereas that of the visual-lead side was widened by 86 ms (37%; p = 0.02). The overall mean window width was 500 ms, compared to 366 ms among controls (37% wider; p = 0.002). Among participants with amblyopia, the simultaneity window parameters were unchanged by viewing condition, but subgroup analysis revealed differential effects on the parameters by amblyopia severity, etiology, and foveal suppression status. Possible mechanisms to explain these findings include visual temporal uncertainty, interocular perceptual latency asymmetry, and disruption of normal developmental tuning of sensitivity to audiovisual asynchrony.
[Mh] Termos MeSH primário: Estimulação Acústica
Ambliopia/fisiopatologia
Ambliopia/psicologia
Percepção Auditiva
Estimulação Luminosa
Percepção Visual
[Mh] Termos MeSH secundário: Adolescente
Adulto
Ambliopia/diagnóstico
Ambliopia/etiologia
Análise de Variância
Percepção de Profundidade
Feminino
Seres Humanos
Masculino
Meia-Idade
Índice de Gravidade de Doença
Visão Binocular
Visão Monocular
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170926
[Lr] Data última revisão:
170926
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170610
[St] Status:MEDLINE
[do] DOI:10.1371/journal.pone.0179516


  7 / 2219 MEDLINE  
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[PMID]:28576937
[Au] Autor:Scholl B; Pattadkal JJ; Priebe NJ
[Ad] Endereço:Max Planck Florida Institute, Jupiter, Florida 33458, and.
[Ti] Título:Binocular Disparity Selectivity Weakened after Monocular Deprivation in Mouse V1.
[So] Source:J Neurosci;37(27):6517-6526, 2017 Jul 05.
[Is] ISSN:1529-2401
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:Experiences during the critical period sculpt the circuitry within the neocortex, leading to changes in the functional responses of sensory neurons. Monocular deprivation (MD) during the visual critical period causes shifts in ocular preference, or dominance, toward the open eye in primary visual cortex (V1) and disrupts the normal development of acuity. In carnivores and primates, MD also disrupts the emergence of binocular disparity selectivity, a cue resulting from integrating ocular inputs. This disruption may be a result of the increase in neurons driven exclusively by the open eye that follows deprivation or a result of a mismatch in the convergence of ocular inputs. To distinguish between these possibilities, we measured the ocular dominance (OD) and disparity selectivity of neurons from male and female mouse V1 following MD. Normal mouse V1 neurons are dominated by contralateral eye input and contralateral eye deprivation shifts mouse V1 neurons toward more balanced responses between the eyes. This shift toward binocularity, as assayed by OD, decreased disparity sensitivity. MD did not alter the initial maturation of binocularity, as disparity selectivity before the MD was indistinguishable from normal mature animals. Decreased disparity tuning was most pronounced in binocular and ipsilaterally biased neurons, which are the populations that have undergone the largest shifts in OD. In concert with the decline in disparity selectivity, we observed a shift toward lower spatial frequency selectivity for the ipsilateral eye following MD. These results suggest an emergence of novel synaptic inputs during MD that disrupt the representation of disparity selectivity. We demonstrate that monocular deprivation during the developmental critical period impairs binocular integration in mouse primary visual cortex. This impairment occurs despite an increase in the degree to which neurons become more binocular. We further demonstrate that our deprivation did not impair the maturation of disparity selectivity. Disparity selectivity has already reached a matured level before the monocular deprivation. The loss of disparity tuning is primarily observed in neurons dominated by the open eye, suggesting a link between altered inputs and loss of disparity sensitivity. These results suggest that new inputs following deprivation may not maintain the precise spatial relationship between the two eye inputs required for disparity selectivity.
[Mh] Termos MeSH primário: Rede Nervosa/fisiologia
Privação Sensorial/fisiologia
Disparidade Visual/fisiologia
Visão Binocular/fisiologia
Visão Monocular/fisiologia
Córtex Visual/fisiologia
[Mh] Termos MeSH secundário: Adaptação Fisiológica/fisiologia
Animais
Feminino
Masculino
Camundongos
Plasticidade Neuronal/fisiologia
Campos Visuais/fisiologia
[Pt] Tipo de publicação:JOURNAL ARTICLE
[Em] Mês de entrada:1708
[Cu] Atualização por classe:170818
[Lr] Data última revisão:
170818
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170604
[St] Status:MEDLINE
[do] DOI:10.1523/JNEUROSCI.1193-16.2017


  8 / 2219 MEDLINE  
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Berezovsky, Adriana
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[PMID]:28560498
[Au] Autor:Dotto PF; Berezovsky A; Sacai PY; Rocha DM; Salomão SR
[Ad] Endereço:Laboratório de Eletrofisiologia Visual Clínica, Departamento de Oftalmologia e Ciências Visuais, Escola Paulista de Medicina, Universidade Federal de São Paulo-UNIFESP, R. Botucatu 821, São Paulo, SP, 04023-062, Brazil.
[Ti] Título:Gender-based normative values for pattern-reversal and flash visually evoked potentials under binocular and monocular stimulation in healthy adults.
[So] Source:Doc Ophthalmol;135(1):53-67, 2017 Aug.
[Is] ISSN:1573-2622
[Cp] País de publicação:Netherlands
[La] Idioma:eng
[Ab] Resumo:PURPOSE: To determine gender-based normative values for pattern-reversal (PR) and flash (F) visually evoked potentials (VEP) under binocular and monocular stimulation in healthy adults. METHODS: Healthy adults (age ≥18 years) were recruited among university employees and students. Inclusion criteria were absence of abnormalities in fundoscopy, tracking ability, stereopsis and pupillary reflexes; best-corrected visual acuity ≤.00 logMAR; and refractive error (spherical equivalent) from -6.00 to +6.00. Exclusion criteria were previous intraocular surgery, systemic and/or neurological disorders. Binocular and monocular tests were performed according to International Society for Clinical Electrophysiology of Vision standards for PRVEP (reversal rate = 1.9 Hz, checkerboard stimuli 15' and 60' at 100% contrast) and FVEP (3 cd s/m , rate = 1 Hz). VEP parameters of amplitude (µV) and peak times (ms) were measured. Inter-ocular differences, inter-peak intervals (N135-N75) and binocular summation were determined. RESULTS: Fifty-four subjects (28 females; mean age = 40.4 ± 13.7 years; median = 40.0 years) were included. Mean P100 latencies for 15' and 60' stimuli were, respectively, 94.6 ± 4.7 ms and 96.1 ± 4.2 for women. Mean values of P100 latency for men were 97.4 ± 4.9 for 15' and 97.7 ± 4.2 for 60' stimuli. Larger mean P100 for 15' checks was observed in women (12.8 ± 5.7 µV) than men (8.6 ± 2.5 µV) in PRVEP. Similar results were found for FVEP N2-P2 amplitudes (mean = 14.6 ± 4.9 for women and 9.8 ± 4.0 for men). CONCLUSIONS: Gender-based normative values for PRVEP and FVEP were determined, with women disclosing higher responses than men for smaller stimuli in the visual pathway. The use of gender-based normative values in the analysis of clinical VEP data for diagnostic and therapeutic purposes is recommendable. Additional analysis including inter-peak intervals and binocular summation ratio might improve the diagnostic power of VEP.
[Mh] Termos MeSH primário: Potenciais Evocados Visuais/fisiologia
Visão Binocular/fisiologia
[Mh] Termos MeSH secundário: Adolescente
Adulto
Idoso
Estudos Transversais
Feminino
Voluntários Saudáveis
Seres Humanos
Masculino
Meia-Idade
Estimulação Luminosa
Valores de Referência
Fatores Sexuais
Visão Monocular/fisiologia
Acuidade Visual/fisiologia
Adulto Jovem
[Pt] Tipo de publicação:JOURNAL ARTICLE; OBSERVATIONAL STUDY
[Em] Mês de entrada:1709
[Cu] Atualização por classe:170922
[Lr] Data última revisão:
170922
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170601
[St] Status:MEDLINE
[do] DOI:10.1007/s10633-017-9594-x


  9 / 2219 MEDLINE  
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[PMID]:28510773
[Au] Autor:Singh A; Sharma P; Saxena R
[Ti] Título:Evaluation of the Role of Monocular Video Game Play as an Adjuvant to Occlusion Therapy in the Management of Anisometropic Amblyopia.
[So] Source:J Pediatr Ophthalmol Strabismus;54(4):244-249, 2017 Jul 01.
[Is] ISSN:1938-2405
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:PURPOSE: To evaluate the role of monocular video game play as an adjuvant to occlusion therapy in the treatment of anisometropic amblyopia. METHODS: In a prospective randomized study design, 68 children with ages ranging from 6 to 14 years who had anisometropic amblyopia with a best corrected visual acuity (BCVA) in the amblyopic eye of better than 6/36 and worse than 6/12 and no manifest strabismus were recruited. They were randomly allocated into two groups: 34 children received 1 hour per day of video game play for the first month plus 6 hours per day of occlusion therapy (video game and occlusion group) and 34 children received 6 hours per day of occlusion therapy alone (occlusion only group). Patients were then evaluated at baseline and 1 and 3 months after treatment for BCVA, stereoacuity, and contrast sensitivity. RESULTS: In the video game and occlusion group, BCVA improved from 0.61 ± 0.12 logarithm of the minimum angle of resolution (logMAR) at baseline to 0.51 ± 0.14 logMAR (P = .001) at 1 month and 0.40 ± 0.15 logMAR (P = .001) at 3 months. In the occlusion only group, BCVA improved from 0.65 ± 0.09 logMAR at baseline to 0.60 ± 0.10 logMAR (P = .001) at 1 month and 0.48 ± 0.10 logMAR (P = .001) at 3 months. There was significantly more improvement in the video game and occlusion group compared to the occlusion only group (P = .003 at 1 month and P = .027 at 3 months). CONCLUSIONS: Video game play plus occlusion therapy enhances the visual recovery in anisometropic amblyopia. [J Pediatr Ophthalmol Strabismus. 2017;54(4):244-249.].
[Mh] Termos MeSH primário: Ambliopia/terapia
Jogos de Vídeo
Visão Monocular/fisiologia
Acuidade Visual
[Mh] Termos MeSH secundário: Adolescente
Ambliopia/fisiopatologia
Criança
Feminino
Seguimentos
Seres Humanos
Masculino
Estudos Prospectivos
Privação Sensorial
Fatores de Tempo
Resultado do Tratamento
[Pt] Tipo de publicação:JOURNAL ARTICLE; RANDOMIZED CONTROLLED TRIAL
[Em] Mês de entrada:1711
[Cu] Atualização por classe:171102
[Lr] Data última revisão:
171102
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170517
[St] Status:MEDLINE
[do] DOI:10.3928/01913913-20170320-04


  10 / 2219 MEDLINE  
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[PMID]:28408039
[Au] Autor:Musch DC; Niziol LM; Gillespie BW; Lichter PR; Janz NK
[Ad] Endereço:Department of Ophthalmology and Visual Sciences, University of Michigan, Ann Arbor, Michigan; Department of Epidemiology, University of Michigan, Ann Arbor, Michigan. Electronic address: dmusch@med.umich.edu.
[Ti] Título:Binocular Measures of Visual Acuity and Visual Field versus Binocular Approximations.
[So] Source:Ophthalmology;124(7):1031-1038, 2017 Jul.
[Is] ISSN:1549-4713
[Cp] País de publicação:United States
[La] Idioma:eng
[Ab] Resumo:PURPOSE: To assess the relationship of binocular visual function tests with binocular approximations using data from the Collaborative Initial Glaucoma Treatment Study (CIGTS). DESIGN: Case series based on existing data from a clinical trial. PARTICIPANTS: Six hundred seven patients with newly diagnosed open-angle glaucoma from the CIGTS. METHODS: Monocular visual field (VF) and visual acuity (VA) tests were performed at baseline and every 6 months thereafter. Binocular tests of visual function (Esterman VF score, binocular VA) were added to the CIGTS protocol 3 years into the study. The binocular approximations of binocular visual function were better or worse eye, average eye, better or worse location, and binocular summation or pointwise binocular summation. Associations between binocular tests and binocular approximations to represent binocular visual function were assessed with Pearson's correlations (r), as was the relationship between vision-related quality of life (VR QOL; Visual Activities Questionnaire [VAQ] and the 25-item National Eye Institute Visual Function Questionnaire [NEI VFQ-25]) and binocular tests or binocular approximations of visual function. MAIN OUTCOME MEASURES: Binocular visual function (VF and VA) and VR QOL. RESULTS: Five hundred seventy-five patients underwent at least 1 binocular visual function test. The Esterman score was correlated significantly with all binocular approximations of VF, with r values ranging from 0.31 (worse-eye mean deviation [MD]) to 0.42 (better-eye MD; P < 0.0001 for all). Binocular VA showed stronger correlations with binocular approximations, with r values ranging from 0.65 (worse-eye VA) to 0.80 (binocular summation; P < 0.0001 for all). Correlations between the VAQ and Esterman score were stronger in 7 of 9 subscales (r = -0.14 to -0.25; P < 0.05 for all) than correlations with all 7 binocular approximations. In contrast, correlations between the VAQ and binocular VA (r = -0.07 to -0.21) were weaker in all subscales than those with better-eye, average-eye, and binocular summation of VA (r = -0.12 to -0.25), but not different from worse-eye values. These trends also were found in relevant subscales of the NEI VFQ-25. CONCLUSIONS: We found limited benefit in binocular testing of VA in the clinical setting as a means of approximating a patient's reported visual functioning. In contrast, we found some benefit in performing binocular VF testing, because the results correlated more closely with reported functioning than binocular approximations.
[Mh] Termos MeSH primário: Glaucoma de Ângulo Aberto/fisiopatologia
Visão Binocular/fisiologia
Acuidade Visual
Campos Visuais/fisiologia
[Mh] Termos MeSH secundário: Adulto
Idoso
Anti-Hipertensivos/administração & dosagem
Estudos Transversais
Feminino
Cirurgia Filtrante/métodos
Seguimentos
Glaucoma de Ângulo Aberto/diagnóstico
Glaucoma de Ângulo Aberto/terapia
Seres Humanos
Pressão Intraocular
Masculino
Meia-Idade
Soluções Oftálmicas
Qualidade de Vida
Inquéritos e Questionários
Fatores de Tempo
Testes Visuais
Visão Monocular/fisiologia
[Pt] Tipo de publicação:JOURNAL ARTICLE; RANDOMIZED CONTROLLED TRIAL
[Nm] Nome de substância:
0 (Antihypertensive Agents); 0 (Ophthalmic Solutions)
[Em] Mês de entrada:1707
[Cu] Atualização por classe:170721
[Lr] Data última revisão:
170721
[Sb] Subgrupo de revista:IM
[Da] Data de entrada para processamento:170415
[St] Status:MEDLINE



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