Results 1 to 10 of about 644,625 (390)
Optical system calibration for 3D measurements in a hydrodynamic tunnel [PDF]
Компьютерная оптика, 2021 For non-contact 3D measurements in hydrodynamic tunnels by photogrammetry methods, it is necessary to refine the standard model of image formation in the camera by taking into account an effect of refraction of rays at the boundaries of optical media ...
V.A. Knyaz +2 more
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Folia Medica Indonesiana, 2021 Introduction: Management of low vision in pediatric patients with greater result can affect their quality of life than in adult low vision patients.. Retinopathy of Prematurity is the main cause of blindness in children.
Christina Aritonang
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Indian Journal of Ophthalmology, 2022 Purpose: To compare functional outcomes and complication rates of two scleral fixated intraocular lens implantation (SFIOL) techniques. Methods: In this retrospective study, there were 30 eyes of 30 patients who underwent SFIOL implantation for ...
Sami Yilmaz +2 more
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Refraction in Preschool Children in Kazanlak, Bulgaria [PDF]
Folia Medica, 2020 Introduction: The refractive state of the eye changes as the eye’s axial length increases and the cornea and lens flatten. In general, eyes are hyperopic at birth, become slightly more hyperopic until the age of 7, which at this point we see a ...
Kiril Slaveykov, Kalina Trifonova
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Journal of Space Weather and Space Climate, 2022 Different indices have been used to reflect, or monitor the ionospheric scintillation, e.g. the detrended carrier phase, σφ, S4, the rate of change of the vertical total electron content index (vROTI), as well as the ionosphere‐free linear combination ...
Zheng Yuhao +10 more
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Developing Flipped Classroom-based Mobile Learning Media to Teach Optical Physics
Scientiae Educatia: Jurnal Pendidikan Sains, 2020 The application of flipped classrooms-based M-learning media will make learning more planned and systematic. Therefore, students will be more enthusiastic and independent in the learning process. The study aims to design a flipped classrooms-based mobile
Setya Fery Widyastuti +1 more
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Indian Journal of Ophthalmology, 2020 Purpose: Barrett Universal II (BU-II) is considered as one of the most accurate intraocular lens (IOL) power calculation formulas; however, there is no literature studying the same in Indian population.
Nikhil Kuthirummal +6 more
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Ocular Refraction at Birth and Its Development During the First Year of Life in a Large Cohort of Babies in a Single Center in Northern Italy [PDF]
, 2020 The purpose of this study was to investigate refraction at birth and during the first year of life in a large cohort of babies born in a single center in Northern Italy.
Bartollino S. +7 more
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Negative Refraction and Left-handed electromagnetism in Microwave Photonic Crystals [PDF]
, 2004 We demonstrate negative refraction of microwaves in metallic photonic crystals. The spectral response of the photonic crystal, which manifests both positive and negative refraction, is in complete agreement with band-structure calculations and numerical ...
E. Cubukcu +9 more
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A method for creating materials with a desired refraction coefficient [PDF]
, 2009 It is proposed to create materials with a desired refraction coefficient in a bounded domain $D\subset \R^3$ by embedding many small balls with constant refraction coefficients into a given material. The number of small balls per unit volume around every
Ramm, A. G.
core +7 more sources