Results 1 to 10 of about 58,566 (100)
Application of Schlieren photography for visualisation of a pulsed gaseous target [PDF]
Biuletyn Wojskowej Akademii Technicznej, 2023 The article describes Schlieren photography, realised using a laser plasma as a radiationsource. Optical systems prepared for visualisation of a stationary gas outflow and a pulsed gaseoustarget, produced in an atmosphere or vacuum environment are ...
Wiktoria Rafalak +4 more
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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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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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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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TNOA Journal of Ophthalmic Science and Research, 2021 Aim: To study the prevalence of computer vision syndrome (CVS) and dry eyes in computer operators. Materials and Methods: The cross-sectional study was conducted at teaching institute.
Sanjeev Verma +3 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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Comparison of visual performance recovery after thin-flap LASIK with 4 femtosecond lasers [PDF]
International Journal of Ophthalmology, 2017 AIM: To compare the speed of visual recovery following myopic thin-flap LASIK with four femtosecond lasers. METHODS: Eighty-eight eyes of 46 patients who were consecutively scheduled for bilateral LASIK with the IntraLase FS60 (Group 1), Femto LDV ...
Jing Zhang +3 more
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Effect of Capsular Tension Ring Implantation during Phacoemulsification on Postoperative Refraction
Oftalʹmologiâ, 2022 Purpose. To assess refractive result of phacoemulsification (PE) with capsular tension ring (CTR) implantation.Patients and methods. In total, 37 eyes of 37 patients who underwent PE with intraocular lens (IOL) implantation were divided into 2 groups ...
D. F. Belov, V. P. Nikolaenko
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