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Prediction of visual outcomes using virtual implantation of a trifocal intraocular lens in presbyopic lens exchange patients.
J Cataract Refract Surg
February 2025
From the Department of Ophthalmology, University of California, San Francisco, San Francisco, California (Schallhorn); Carl Zeiss Meditec, Inc., Dublin, California (Schallhorn); Department of Ophthalmology of VITHAS Almería Hospital, Qvision, Almería, Spain (Fernández); Internationale Innovative Ophthalmochirurgie GbR, Duesseldorf, Germany (Kaymak); Institute of Experimental Ophthalmology, Saarland University, Homburg, Germany (Kaymak); Carl Zeiss Meditec AG, Berlin, Germany (Gerlach, Kirchner).
Purpose: To assess the reliability of a new virtual intraocular lens (IOL) implantation device to predict the outcomes of a trifocal IOL.
Setting: Clinical sites in Spain and Germany.
Design: Prospective multicenter study.
Retinal image quality for multifocal lenses with on- and off-axis annular zones.
Biomed Opt Express
June 2024
Division of Neurobiology, University of California, Berkeley, CA 94720-3200, USA.
Multi-focal intra-ocular or contact lenses, intended to increase depth of focus, conventionally have annular zones of additional refractive power, generating wavefront rings of coaxial spherical surfaces. It is, however, possible to influence depth of focus by changing not only the curvature of the wavefront, refractive power, in the annulus, but also the tilt, circularly symmetrical linear radial deviation imposed on the spherical wavefront. Employing the example of a single annulus bifocal, retinal image light distributions in the two regimes are calculated, using standard diffraction theory.
View Article and Find Full Text PDFTopographical Correlation between Structural and Functional Impairment of the Macular Inner Retinal Layers in Multiple Sclerosis Eyes with a History of Optic Neuropathy.
J Clin Med
November 2023
IRCCS-Fondazione Bietti, Via Livenza 1, 00198 Rome, Italy.
We investigated the potential correlation between morphological and functional parameters describing the rarefaction and dysfunction of retinal ganglion cells (RGCs), located in the macula, in multiple sclerosis eyes with a history of optic neuritis (MS-ON). A total of 19 MS-ON eyes from 19 MS patients (mean age: 44.16 ± 4.
View Article and Find Full Text PDFAnnular multi-focal-phase mask multiplexing based large depth of field imaging by interferenceless coded aperture correlation holography.
Sci Rep
July 2023
School of Physics and Optoelectronics, Faculty of Science, Beijing University of Technology, 100 Ping Le Yuan, Chao yang district, Beijing, 100124, China.
Extending depth-of-field (DOF) of the imaging system without modifying the structure and sacrificing imaging performances of the optical system is of great significance to broaden the capability and application of the imaging system. In this paper, the interferenceless coded aperture correlation holography(I-COACH) is developed to be a large-depth incoherent imaging system by employing an annular multi-focal coded phase mask (AM-CPM). Based on the analyses of axial defocus characteristics in I-COACH, the defocus compensation function is defined, the AM-CPM is designed and multiplexed on the system optical pupil, which plays the role of a gradual lens.
View Article and Find Full Text PDFMACULAR ATROPHY AND PHENOTYPIC VARIABILITY IN AUTOSOMAL DOMINANT STARGARDT-LIKE MACULAR DYSTROPHY DUE TO PROM1 MUTATION.
Retina
July 2023
Department of Ophthalmology and Visual Sciences, University of Iowa Hospitals and Clinics, Iowa City, Iowa; and.
Purpose: To describe the phenotypic variability and rates of progression of atrophy in patients with PROM1 -associated macular dystrophy.
Methods: Patients in this retrospective, longitudinal case series from a tertiary center had clinical examination and multimodal imaging performed. Areas of retinal pigment epithelium and ellipsoid zone loss over time by optical coherence tomography were calculated by two independent graders.
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