Results 81 to 90 of about 166,297,977 (194)

Foreward: Depth Psychology and Climate Change

, 2019
Discussions with Depth Psychologists in the Age of the Anthropocene: This book contains dynamic perspectives on global challenges such as ecological destruction, climate issues, failed leadership, and limiting beliefs, while turning to imagination ...
Marshall, J
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Focus Stacking: Extending depth of field in close-up photography [PDF]

, 2016
When taking close-up photographs, or indeed any photographs, there is a delicate balance of factors that allow us to limit or to maximise the parts of an image that are in focus; Aperture, Lens focal length and Subject distance.
Bryson, David
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Comparative Analysis of Tolerance to Experimentally Induced Astigmatism with Three Types of Multifocal Intraocular Lenses

Clinical Ophthalmology
John So Min Chang,1 Sylvia Chui Ting Liu,1 Nadine Tsz Ching Ma,1 Jack Chun Man Ng2 1Department of Ophthalmology, Hong Kong Sanatorium & Hospital, Hong Kong; 2Department of Ophthalmology, Grantham Hospital, Hong KongCorrespondence: John So Min Chang ...
Chang JSM, Liu SCT, Ma NTC, Ng JCM
doaj  

Visual Outcomes of a Non-Diffractive Extended Depth-of-Focus Intraocular Lens in Patients with Early-Stage Age-Related Macular Degeneration. [PDF]

J Clin Med
Background/Objectives: Age-related macular degeneration (AMD) is a leading cause of visual impairment in older adults and often coexists with cataracts.
Dorronzoro-Ramirez E, Sanchez-Tena MA, Alvarez-Peregrina C, Cardenas Rebollo JM, Flores Cervantes D, Sánchez-Ramos C.   +5 more
europepmc   +2 more sources

The role of monocularly visible regions in depth and surface perception [PDF]

, 2009
The mainstream of binocular vision research has long been focused on understanding how binocular disparity is used for depth perception. In recent years, researchers have begun to explore how monocular regions in binocularly viewed scenes contribute to ...
Harris, Julie, Harris, Julie M., Wilcox, Laurie M., Wilcox, LM   +3 more
core   +1 more source

Defocus Curve and Patient Satisfaction with a New Extended Depth of Focus Toric Intraocular Lens Targeted for Binocular Emmetropia or Slight Myopia in the Non-Dominant Eye

Clinical Ophthalmology, 2020
Helga P Sandoval,1 Stephen Lane,2 Stephen G Slade,3 Eric D Donnenfeld,4 Richard Potvin,5 Kerry D Solomon1 1Carolina Eyecare Physicians, LLC, Mt. Pleasant, SC, USA; 2Associated Eye Care, Stillwater, MN, USA; 3Slade & Baker Vision, Houston, TX, USA ...
Sandoval HP, Lane S, Slade SG, Donnenfeld ED, Potvin R, Solomon KD   +5 more
doaj  

Clinical Outcomes and Quality of Vision Associated with Bilateral Implantation of a Wavefront Shaping Presbyopia Correcting Intraocular Lens

Clinical Ophthalmology, 2021
Kjell Gunnar Gundersen,1 Richard Potvin2 1IFocus Øyeklinikk AS, Haugesund, Norway; 2Science in Vision, Bend, OR, USACorrespondence: Kjell Gunnar GundersenIFocus Øyeklinikk AS, Sørhauggata 111, Haugesund, 5527, NorwayTel +47 ...
Gundersen KG, Potvin R
doaj  

Symmetric lens with extended depth of focus

, 2008
The lens surface profile is derived based on the instantaneous focal length versus the lens radius data. The lens design based on instantaneous focal length versus the lens radius data has many useful applications in software assisted image focusing technology.
openaire   +2 more sources

Neurosensory binocular vision after bilateral implantation of an extended depth of focus intraocular lens with micro-monovision: a prospective cohort study

BMC Ophthalmology
Background The goal of this study was to evaluate the presbyopia-correcting performance, binocular visual quality and neurosensory binocular vision of bilateral implantation of an extended depth of focus (EDOF) intraocular lens (IOL) with micro ...
Tong Sun, Xiaorui Zhao, Yiyun Liu, Qianqian Lan, Chuhao Tang, Rui Qin, Linbo Bian, Wenlong Li, Hong Qi   +8 more
doaj   +1 more source

Accurate depth from defocus estimation with video-rate implementation [PDF]

The science of measuring depth from images at video rate using „defocus‟ has been investigated. The method required two differently focussed images acquired from a single view point using a single camera.
Raj, Alex Noel Joseph
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