Results 241 to 250 of about 9,035 (308)

Predictive control of thermally induced wavefront aberrations

Optics Express, 2013
In this paper we experimentally demonstrate the proof of concept for predictive control of thermally induced wavefront aberrations in optical systems.
S F Pereira, H P Urbach, Michel Verhaegen   +2 more
exaly   +3 more sources

Influence of eyelid position on wavefront aberrations

Ophthalmic and Physiological Optics, 2007
Abstract Purpose:  To investigate the influence of eyelid position on wavefront aberrations. Methods:  In study 1, the right eyes of 43 non‐cyclopleged subjects were evaluated using the Complete Ophthalmic Analysis ...
Wei, Han, William, Kwan, Jing, Wang, Shea Ping, Yip, Maurice, Yap   +4 more
openaire   +3 more sources

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Wavefront aberrations and accommodation in myopes and hyperopes

Vestnik oftal'mologii, 2017
to comparatively investigate accommodation, pseudoaccommodation, and higher-order aberrations in children and young adults with myopia and hyperopia.A total of 39 myopic (the mean error of (-)5.2±1.5 diopters) and 53 hyperopic (the mean error of (+)3.1±1.15 diopters) eyes of 46 patients aged 5-20 years (11.6±0.6 years on average) were enrolled ...
V V, Neroev, E P, Tarutta, S G, Arutyunyan, A T, Khandzhyan, N V, Khodzhabekyan   +4 more
semanticscholar   +5 more sources

Wavefront aberrations in eyes of emmetropic and moderately myopic school children and young adults

Vision Research, 2002
Wavefront aberrations were measured using a psychophysical ray-tracing technique in both eyes of 3 16 emmetropic and moderately myopic school children and young adults.
Pei Sun, Richard Held, Frank Thorn
exaly   +3 more sources

Visual Acuity, Wavefront Aberrations, and Defocus Curves With an Enhanced Monofocal and a Monofocal Intraocular Lens: A Prospective, Randomized Study.

Journal of refractive surgery, 2022
PURPOSE To compare uniocular and binocular visual acuity, wavefront aberrations, and defocus curves using the TECNIS Eyhance (Johnson & Johnson) and RayOne (Rayner) intraocular lenses (IOLs).
M. Nanavaty, Zahra Ashena, Sean Gallagher, Steven Borkum, Paul Frattaroli, E. Barbon   +5 more
semanticscholar   +1 more source

Repeatability and agreement of wavefront aberrations of a new hybrid topographer and aberrometer in healthy eyes

Journal of cataract and refractive surgery, 2021
The Pentacam AXL Wave aberrometry had good intrasubject repeatability and its estimates for wavefront aberrations were significantly better than iTrace. Both devices had good agreement for total ocular aberrations.
R. Shetty, Divya S Trivedi, Reshma Ranade, S. Arun, P. Khamar, G. Kundu   +5 more
semanticscholar   +1 more source

The Role of Cardiopulmonary Signals in the Dynamics of the Eye’s Wavefront Aberrations

IEEE Transactions on Biomedical Engineering, 2010
—The role of cardiopulmonary signals in the dynamics\ud of wavefront aberrations in the eye has been examined. Synchronous measurement of the eye’s wavefront aberrations, cardiac function, blood pulse, and respiration signals were taken for a group of ...
Michael Muma, D Robert Iskander, Michael J Collins   +2 more
exaly   +2 more sources

Monochromatic ocular wavefront aberrations in the awake-behaving cat

Vision Research, 2004
Measurement of wavefront aberrations in human eyes has become a reliable, quantitative way of assessing the optical impact of experimental and corrective ocular manipulations.
Krystel R Huxlin, Jason Porter
exaly   +2 more sources

Flexible bimorphic mirror with high density of control electrodes for correcting wavefront aberrations

Journal of Optical Technology (A Translation of Opticheskii Zhurnal), 2019
A deformable bimorphic mirror with a high density of 37 electrodes and a diameter of 15 mm was fabricated to allow correction of small-scale wavefront aberrations. Laser-engraving technology was used to form a grid for the control electrodes.
A A Skvortsov, Alexis Kudryashov, Vadim Samarkin   +2 more
exaly   +2 more sources

Relationship between ocular wavefront aberrations and refractive error in Chinese school children

Australasian journal of optometry, The, 2012
Xingtao Zhou, Renyuan Chu, Matthew R Hoffman   +2 more
exaly   +2 more sources