Person:
García Montero, María

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First Name
María
Last Name
García Montero
URI
https://hdl.handle.net/20.500.14352/79880
Affiliation
Universidad Complutense de Madrid
Faculty / Institute
Óptica y Optometría
Department
Optometría y Visión
Area
Optica
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2023 - 20243
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Author: Gómez Pedrero, José Antonio × Subject: 535.313.6 ×

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Now showing 1 - 3 of 3
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    Optical Behavior of an Enhanced Monofocal Intraocular Lens Compared with a Standard One
    (Applied Sciences, 2023) Albarrán Diego, César; García Montero, María; Garzón Jiménez, Nuria; González Fernández, Verónica; Gómez Pedrero, José Antonio
    The aim of this work was to compare an enhanced monofocal (RayOne EMV RAO200E, Rayner) and standard monofocal (RayOne RAO600C Aspheric, Rayner) intraocular lenses (IOLs) for three nominal powers (+10.00 D, +20.00 D and +30.00 D) as a function of the optical aperture diameter (pupil diameter) using a commercial Schlieren phase-shifting deflectometer NIMO TR1504 (Lambda-X, Belgium). From the wavefront maps measured by this instrument, the radial power profiles, the spherical aberration coefficients of the Zernike polynomial expansion (as a function of the optical aperture radius), and the root-mean-square (RMS) of the high-order aberrations (HOAs) were obtained and analyzed by comparing the two models. The results showed that the effective added power that could be obtained with the enhanced model depended directly on the pupil size and the power of the IOL implanted. The higher additions were achieved with the higher nominal IOL powers. The relationship between the pupil diameter, the corneal aberration of the patients and the power profile of these IOLs could have a crucial implication on the far distance and the final effective addition. However, it is important to note that these findings should be clinically validated through the implantation of these models in patients’ lenses.
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    Design of an optical bench for polychromatic characterisation of advanced intraocular lens designs with spatial light modulator
    (2023) González Fernández, Verónica; Garzón Jiménez, Nuria; García Montero, María; Gómez Pedrero, José Antonio; Fernandez Nuñez, Sara; Albarrán Diego, César
    In recent years, the design of intraocular lenses (IOLs) has experienced a great deal of development and there is now a wide variety of designs. At the moment, some of the most interesting designs that allow for the greatest degree of innovation and customisation are lenses that combine a refractive part with a diffractive part
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    Optical power profiles and aberrations of a non-diffractive wavefront-shaping extended depth of focus intraocular lens
    (Graefe's Archive for Clinical and Experimental Ophthalmology, 2024) Garzón Jiménez, Nuria; Gómez Pedrero, José Antonio; Albarrán Diego, César; Fernández Núñez, Sara; Villanueva Gómez-Chacón, Sara; García Montero, María
    Purpose: This study is to evaluate the optical characteristics of a non-diffractive wavefront-shaping intraocular lens which incorporates surface refractive modifications for shaping the wavefront in order to achieve extended depth of focus (EDoF) and to assess whether the nominal power of this IOL influences the attainable add power. Methods: A commercially available optical bench NIMO TR1504 device (LAMBDA-X, Nivelles, Belgium) was employed to obtain full optical characterization of three non-diffractive EDoF intraocular lenses with + 10 D, + 20 D, and + 30 D powers. After NIMO measurements, data were computed using a custom-made MATLAB program (Mathworks, Inc., Natick, MA, USA) to evaluate the optical quality functions, such as the point spread function (PSF), wavefront profiles, and modulation transfer function (MTF) for two pupil sizes: 3 mm and 4.0 mm. Results: The non-diffractive EDoF intraocular lens showed a central serrated power profile behavior with additions of + 2.00 to + 2.50 D over the nominal power. Higher order aberrations were found to be driven mainly by the spherical aberration, with almost null comatic influence. Optical quality metrics showed good values, better for a 3 mm pupil compared to a 4.5 mm one, as expected. The three IOL powers tested showed a very similar behavior in terms of power and aberrometric profiles, with minimal to null differences related to the nominal power. Conclusion: The non-diffractive wavefront-shaping EDoF intraocular lens achieves a near addition up to + 2.50 D aiming for an extended range of vision, almost independently of the base power.