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41 results

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Head-mounted adaptive optics visual simulator.
Soomro SR, Sager S, Paniagua-Diaz AM, Prieto PM, Artal P. Soomro SR, et al. Biomed Opt Express. 2024 Jan 4;15(2):608-623. doi: 10.1364/BOE.506858. eCollection 2024 Feb 1. Biomed Opt Express. 2024. PMID: 38404335 Free PMC article.
The device incorporates a microdisplay for stimulus generation, a liquid crystal on silicon (LCoS) spatial light modulator for wavefront manipulation, and a Hartmann-Shack wavefront sensor. Miniature optical components and optical path folding structures, together with in- …
The device incorporates a microdisplay for stimulus generation, a liquid crystal on silicon (LCoS) spatial light modulator for wavefront man …
Wavefront Characteristics of a Digital Holographic Optical Element.
Lee BR, Marichal-Hernández JG, Rodríguez-Ramos JM, Son WH, Hong S, Son JY. Lee BR, et al. Micromachines (Basel). 2023 Jun 10;14(6):1229. doi: 10.3390/mi14061229. Micromachines (Basel). 2023. PMID: 37374814 Free PMC article.
The same comparison was also performed with an analog-type HOE for a heads-up display and with a spherical mirror. A Shack-Hartmann wavefront sensor was used to measure the wavefronts of the diffracted beams from the digital HOE and the holograms as well as the reflected b …
The same comparison was also performed with an analog-type HOE for a heads-up display and with a spherical mirror. A Shack-Hartmann w …
Instrument for fast whole-field peripheral refraction in the human eye.
Fernandez EJ, Sager S, Lin Z, Hao J, Roca J, Prieto PM, Yang Z, Lan W, Artal P. Fernandez EJ, et al. Biomed Opt Express. 2022 Apr 21;13(5):2947-2959. doi: 10.1364/BOE.457686. eCollection 2022 May 1. Biomed Opt Express. 2022. PMID: 35774321 Free PMC article.
The apparatus permits the automatic estimation of both defocus and astigmatism at any retinal eccentricity by scanning a near infrared beam. The design includes a Hartmann-Shack wavefront sensor and a steering mirror, which operate in combination with a compounded eyepiece …
The apparatus permits the automatic estimation of both defocus and astigmatism at any retinal eccentricity by scanning a near infrared beam. …
Aberration-induced vortex splitting in amplified orbital angular momentum beams.
Harrison J, Buono WT, Forbes A, Naidoo D. Harrison J, et al. Opt Express. 2023 May 22;31(11):17593-17608. doi: 10.1364/OE.487616. Opt Express. 2023. PMID: 37381489 Free article.
Here we report the generation and power amplification of higher-order (l = 2) orbital angular momentum (OAM) beams using a compact end-pumped Nd:YAG Master-Oscillator-Power-Amplifier (MOPA) design. We analysed the thermally-induced wavefront aberrations of the Nd:YAG cryst …
Here we report the generation and power amplification of higher-order (l = 2) orbital angular momentum (OAM) beams using a compact en …
Two-Dimensional Peripheral Refraction and Higher-Order Wavefront Aberrations Induced by Orthokeratology Lenses Decentration.
Xue M, Lin Z, Wu H, Xu Q, Wen L, Luo Z, Hu Z, Li X, Yang Z. Xue M, et al. Transl Vis Sci Technol. 2023 Oct 3;12(10):8. doi: 10.1167/tvst.12.10.8. Transl Vis Sci Technol. 2023. PMID: 37824110 Free PMC article.
METHODS: Two-dimensional peripheral refraction and HOAs in a rectangular field (horizontally 60 degrees and vertically 36 degrees) were obtained using an open-view Hartmann-Shack wavefront sensor. The peripheral field was divided into 8 regions according to a combination o …
METHODS: Two-dimensional peripheral refraction and HOAs in a rectangular field (horizontally 60 degrees and vertically 36 degrees) were obta …
Two-Dimensional, High-Resolution Peripheral Refraction in Adults with Isomyopia and Anisomyopia.
Wang S, Lin Z, Xi X, Lu Y, Pan L, Li X, Artal P, Lan W, Yang Z. Wang S, et al. Invest Ophthalmol Vis Sci. 2020 Jun 3;61(6):16. doi: 10.1167/iovs.61.6.16. Invest Ophthalmol Vis Sci. 2020. PMID: 32511693 Free PMC article.
Peripheral refraction across an area of the visual field of 60 36 with a resolution of 1 was measured using a custom-made Hartmann-Shack wavefront sensor. The retinal area was divided into 3 3 zones for comparison between the fellow eyes. ...
Peripheral refraction across an area of the visual field of 60 36 with a resolution of 1 was measured using a custom-made Hartmann-Shack …
Interaction of Monochromatic and Chromatic Aberrations in Pseudophakic Patients.
Marcos S, Romero M, Benedí-García C, González-Ramos A, Vinas M, Alejandre N, Jiménez-Alfaro I. Marcos S, et al. J Refract Surg. 2020 Apr 1;36(4):230-238. doi: 10.3928/1081597X-20200303-01. J Refract Surg. 2020. PMID: 32267953
METHODS: Ten patients (age: 68.4 3.21 years) were measured in two experiments: (1) Hartmann-Shack wave aberrations at five visible wavelengths (480 to 700 nm) and (2) best subjective focus at each wavelength. ...MTFs were calculated for the closest wavelengths to the peak …
METHODS: Ten patients (age: 68.4 3.21 years) were measured in two experiments: (1) Hartmann-Shack wave aberrations at five visible wa …
Variation of Coma Aberration With Prismatic Soft Contact Lenses.
Carpena-Torres C, López-Alonso JM, Burgos-Martínez M, Carracedo G, Carballo-Álvarez J. Carpena-Torres C, et al. Eye Contact Lens. 2018 Nov;44 Suppl 2:S202-S209. doi: 10.1097/ICL.0000000000000485. Eye Contact Lens. 2018. PMID: 29420325
METHODS: Thirty-seven eyes of 20 healthy subjects (24.302.03 years) were evaluated to analyze the variation in ocular wavefront aberrations before and after fitting PSCL of different base-down prism values (1.0, 1.5, and 2.0 prism diopters [PD]), designed to study its influence i …
METHODS: Thirty-seven eyes of 20 healthy subjects (24.302.03 years) were evaluated to analyze the variation in ocular wavefront aberrations …
Absorbable plate strength loss during molding.
Ballard TN, Kelly KJ, Zaydfudim V, Walcutt NL, Lahijani SS, Shack RB, Thayer WP. Ballard TN, et al. J Craniofac Surg. 2010 May;21(3):644-7. doi: 10.1097/SCS.0b013e3181d7ad06. J Craniofac Surg. 2010. PMID: 20485022
We hypothesize that extended submersion in the molding bath during plate preparation might advance the rate of hydrolysis and compromise plate structural integrity. Using an absorbable poly-D/L-lactic acid plating system, we assessed the effect of extended submersion on pl …
We hypothesize that extended submersion in the molding bath during plate preparation might advance the rate of hydrolysis and compromise pla …
A way to explore the existence of "immortals" in cancer registry data - An illustration using data from ICBP SURVMARK-2.
Andersson TM, Rutherford MJ, Myklebust TÅ, Møller B, Arnold M, Soerjomataram I, Bray F, Elkader HA, Engholm G, Huws D, Little A, Shack L, Walsh PM, Woods RR, Parkin DM, Lambert PC. Andersson TM, et al. Cancer Epidemiol. 2022 Feb;76:102085. doi: 10.1016/j.canep.2021.102085. Epub 2021 Dec 24. Cancer Epidemiol. 2022. PMID: 34954495 Free article.
41 results