Salvador Bará

Summary

Affiliation: Santiago de Compostela
Country: Spain

Publications

  1. ncbi Characteristic functions of Hartmann-Shack wavefront sensors and laser-ray-tracing aberrometers
    Salvador Bará
    Area de Optica, Departamento de Fisica Aplicada, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Galiza, Spain
    J Opt Soc Am A Opt Image Sci Vis 24:3700-7. 2007
  2. ncbi Positioning tolerances for phase plates compensating aberrations of the human eye
    S Bara
    Area de Optica, Facultade de Fisica, Universidade de Santiago de Compostela, 15706 Santiago de Compostela, Galicia, Spain
    Appl Opt 39:3413-20. 2000
  3. ncbi Estimation-induced correlations of the Zernike coefficients of the eye aberration
    Salvador Bará
    Area de Optica, Departamento de Fisica Aplicada, Facultade de Fisica, Universidade de Santiago de Compostela, Compostela, Galiza, Spain
    Opt Lett 31:2646-8. 2006
  4. ncbi Wide-field compensation of monochromatic eye aberrations: expected performance and design trade-offs
    Salvador Bará
    Area de Optica, Departamento Física Aplicada, Universidade de Santiago de Compostela, Galiza, Spain
    J Opt Soc Am A Opt Image Sci Vis 20:1-10. 2003
  5. ncbi Direct transformation of Zernike eye aberration coefficients between scaled, rotated, and/or displaced pupils
    Salvador Bará
    Departamento de Fisica Aplicada, Area de Optica, Universidade de Santiago de Compostela, 15782 Compostela, Galiza, Spain
    J Opt Soc Am A Opt Image Sci Vis 23:2061-6. 2006
  6. ncbi Measuring eye aberrations with Hartmann-Shack wave-front sensors: should the irradiance distribution across the eye pupil be taken into account?
    Salvador Bará
    Area de Optica, Facultade de Fisica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Galiza, Spain
    J Opt Soc Am A Opt Image Sci Vis 20:2237-45. 2003
  7. ncbi Presbyopia compensation with a quartic axicon
    Jorge Ares
    Area de Optica, Departamento de Fisica Aplicada, Universidade de Santiago de Compostela, Galiza, Spain
    Optom Vis Sci 82:1071-8. 2005
  8. doi Green laser pointers for visual astronomy: how much power is enough?
    Salvador Bará
    Area de Optica, Dept Fisica Aplicada, Optics and Optometry School, Universidade de Santiago de Compostela, Galiza, Spain
    Optom Vis Sci 87:140-4. 2010
  9. doi Pupil tracking with a Hartmann-Shack wavefront sensor
    Justo Arines
    Universidade de Santiago de Compostela, Escola Universitaria de Optica e Optometría, Departamento de Fisica Aplicada, 15782 Santiago de Compostela, Spain
    J Biomed Opt 15:036022. 2010
  10. doi Signal-to-noise ratio and aberration statistics in ocular aberrometry
    Salvador Bará
    Area de Optica, Facultade de Óptica e Optometría, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Galicia, Spain
    Opt Lett 37:2427-9. 2012

Collaborators

Detail Information

Publications10

  1. ncbi Characteristic functions of Hartmann-Shack wavefront sensors and laser-ray-tracing aberrometers
    Salvador Bará
    Area de Optica, Departamento de Fisica Aplicada, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Galiza, Spain
    J Opt Soc Am A Opt Image Sci Vis 24:3700-7. 2007
    ..This approach is mathematically equivalent to the analysis of the effects of modal coupling (cross-coupling and aliasing). It may provide, however, some complementary insight...
  2. ncbi Positioning tolerances for phase plates compensating aberrations of the human eye
    S Bara
    Area de Optica, Facultade de Fisica, Universidade de Santiago de Compostela, 15706 Santiago de Compostela, Galicia, Spain
    Appl Opt 39:3413-20. 2000
    ..The general trend of results suggests that lateral positioning, followed by angular positioning, are the key factors affecting compensation performance in practical setups, whereas axial positioning has far less stringent requirements...
  3. ncbi Estimation-induced correlations of the Zernike coefficients of the eye aberration
    Salvador Bará
    Area de Optica, Departamento de Fisica Aplicada, Facultade de Fisica, Universidade de Santiago de Compostela, Compostela, Galiza, Spain
    Opt Lett 31:2646-8. 2006
    ..We give an analytical model for this effect and evaluate its magnitude for a particular example, assuming that the true aberration statistics follows a Kolmogorov power law...
  4. ncbi Wide-field compensation of monochromatic eye aberrations: expected performance and design trade-offs
    Salvador Bará
    Area de Optica, Departamento Física Aplicada, Universidade de Santiago de Compostela, Galiza, Spain
    J Opt Soc Am A Opt Image Sci Vis 20:1-10. 2003
    ..Particular attention is given to the design of elements providing a minimum averaged rms residual aberration and those providing a nearly uniform rms residual aberration across a given field...
  5. ncbi Direct transformation of Zernike eye aberration coefficients between scaled, rotated, and/or displaced pupils
    Salvador Bará
    Departamento de Fisica Aplicada, Area de Optica, Universidade de Santiago de Compostela, 15782 Compostela, Galiza, Spain
    J Opt Soc Am A Opt Image Sci Vis 23:2061-6. 2006
    ..It may also be used to transform the aberration coefficients between different polynomial basis sets...
  6. ncbi Measuring eye aberrations with Hartmann-Shack wave-front sensors: should the irradiance distribution across the eye pupil be taken into account?
    Salvador Bará
    Area de Optica, Facultade de Fisica, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Galiza, Spain
    J Opt Soc Am A Opt Image Sci Vis 20:2237-45. 2003
    ..The systematic nature of this error makes it advisable to check for its presence and, if required, to compensate for it by an adequate choice of the least-squares reconstruction matrix...
  7. ncbi Presbyopia compensation with a quartic axicon
    Jorge Ares
    Area de Optica, Departamento de Fisica Aplicada, Universidade de Santiago de Compostela, Galiza, Spain
    Optom Vis Sci 82:1071-8. 2005
    ..The working principle relies on profiting the high depth of focus of the axicons to supplement the reduced accommodation amplitude of presbyopes...
  8. doi Green laser pointers for visual astronomy: how much power is enough?
    Salvador Bará
    Area de Optica, Dept Fisica Aplicada, Optics and Optometry School, Universidade de Santiago de Compostela, Galiza, Spain
    Optom Vis Sci 87:140-4. 2010
    ..The purpose of this study was to determine the output power reasonably required to perform satisfactorily this kind of activities...
  9. doi Pupil tracking with a Hartmann-Shack wavefront sensor
    Justo Arines
    Universidade de Santiago de Compostela, Escola Universitaria de Optica e Optometría, Departamento de Fisica Aplicada, 15782 Santiago de Compostela, Spain
    J Biomed Opt 15:036022. 2010
    ....
  10. doi Signal-to-noise ratio and aberration statistics in ocular aberrometry
    Salvador Bará
    Area de Optica, Facultade de Óptica e Optometría, Universidade de Santiago de Compostela, 15782 Santiago de Compostela, Galicia, Spain
    Opt Lett 37:2427-9. 2012
    ..We show that there are an optimum number of Zernike aberration modes to be retrieved in each case...