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Autor Barra Lázaro, Francisco |
Documentos disponibles escritos por este autor (6)
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Antona Peñalba, Beatriz ; Barra Lázaro, Francisco ; Barrio de Santos, Ana Rosa ; Gutiérrez Hernández, Ángel Luis ; Piedrahita Alonso, Mª Elena ; Martín Pérez, Yolanda | Wiley | 2008-05-09Background: The use of plus lenses to compensate for the reduction in the range of accommodation associated with presbyopia, brings the near point of accommodation to a comfortable distance for near visual tasks. Our aim was to compare the tenta[...]texto impreso
González Díaz-Obregón, Enrique ; Barra Lázaro, Francisco ; Sánchez Pérez, Isabel ; Antona Peñalba, Beatriz ; Barrio de Santos, Ana Rosa | Binoculus Publishing | 2007BACKGROUND AND PURPOSE: The purpose was to determine the efficacy of two types of contact lenses (spherical disposable and aplanatic) as treatment in a patient with esotropia with a high Accommodative Convergence/Accommodation Ratio (AC/A). Due [...]texto impreso
Antona Peñalba, Beatriz ; Sánchez Pérez, Isabel ; Barrio de Santos, Ana Rosa ; Barra Lázaro, Francisco ; González Díaz-Obregón, Enrique | Wiley-Blackwell Publishing | 2009-11Purpose: Clinical measurement of the accommodative response (AR) identifies the focusing plane of a subject with respect to the accommodative target. To establish whether a significant change in AR has occurred, it is important to determine the [...]texto impreso
Antona Peñalba, Beatriz ; Barrio de Santos, Ana Rosa ; Barra Lázaro, Francisco ; González Díaz-Obregón, Enrique ; Sánchez Pérez, María Isabel | Wiley-Blackwell Publishing | 2008Purpose: This study was designed to determine the repeatability of fusional vergence rangesmeasured using the rotary prisms in the phoropter and in free space using the prism bar. The level of agreement between the two methods was also investiga[...]texto impreso
Antona Peñalba, Beatriz ; Barra Lázaro, Francisco ; Barrio de Santos, Ana Rosa ; González Díaz-Obregón, Enrique ; Sánchez Pérez, Isabel | Springer | 2009-01Background: Clinical measurement of the amplitude of accommodation (AA) provides an indication of maximum accommodative ability. To determine whether there has been a significant change in the AA, it is important to have a good idea of the repea[...]texto impreso
Antona Peñalba, Beatriz ; Barra Lázaro, Francisco ; Barrio de Santos, Ana Rosa ; González Díaz-Obregón, Enrique ; Sánchez Pérez, Isabel | The Association for Research in Vision and Ophthalmology, Inc. | 2007-01PURPOSE. The Aniseikonia Inspector 1.1 (AI) is a new software product to measure aniseikonia using red-green anaglyphs. The purpose of this study was to test whether the AI is a valid and reliable test. METHODS. There were two groups of sample [...]