Results 11 to 20 of about 6,318 (163)

All-Optical Diffractive Operators for Rapid, Computer-Free Morphological Transformations. [PDF]

Nanophotonics
This paper shows an all‐optical, computer‐free approach to realize morphological transformations on visual data. Free‐space optical devices consisting of successive diffractive layers are trained through a deep learning‐based optimization process to perform erosion and dilation for images with diverse styles.
Sun Y, Wang F, Han J, Qu G, Zhang Z, Wei Y, Yang C, Ruan Q, Wang S, Wei H, Huang C, Guan J, Hu J.   +12 more
europepmc   +2 more sources

Subgingival instrumentation

Periodontology 2000, EarlyView., 2023
Abstract The S3‐level clinical guidelines for the treatment of patients with periodontitis stages I–III published by the European Federation of Periodontology in 2020, suggest a pre‐established stepwise approach for oral‐healthcare professionals with precise therapeutic pathways.
Cristiano Tomasi, Kajsa H. Abrahamsson, Danae Apatzidou   +2 more
wiley   +1 more source

Smart Eyeglasses: A Valid and Reliable Device to Assess Spatiotemporal Parameters during Gait

Sensors, 2022
The study aims to determine the validity and reproducibility of step duration and step length parameters measured during walking in healthy participants using an accelerometer embedded in smart eyeglasses.
Justine Hellec, Frédéric Chorin, Andrea Castagnetti, Olivier Guérin, Serge S. Colson   +4 more
doaj   +1 more source

Axial length shortening in a myopic child with anisometropic amblyopia after wearing violet light-transmitting eyeglasses for 2 years

American Journal of Ophthalmology Case Reports, 2020
Purpose: To report a case in which the axial length (AL) shortened and the choroid thickened due to the use of violet light-transmitting eyeglasses. Observations: A 4-year-old boy with high myopia was referred to Keio University Hospital.
Yoshiko Ofuji, Hidemasa Torii, Erisa Yotsukura, Kiwako Mori, Toshihide Kurihara, Kazuno Negishi, Kazuo Tsubota   +6 more
doaj   +1 more source

The Utility of Recycled Eyeglasses: A Pilot Study at the Los Angeles County Department of Health Services

International Journal of Medical Students, 2021
Background:The cost of eyeglasses is variably covered by medical insurance and thus is a significant barrier for patients in lower socioeconomic classes.
Valerie Huang, Mary Kim, Sukriti Mohan, Lauren Daskivich, Jesse Berry   +4 more
doaj   +1 more source

“Alma, si ciega vas tras tus antojos”: Going Blindly through Seventeenth-Century Literature

Humanities, 2023
Faced with the exaltation of sight as a perfect divine creation, so evident in the Uso de los antojos (1623) by Daza de Valdés, and faced with the satirical–burlesque tone of popular literature, dogmatic theology considered it inappropriate to praise a ...
Cipriano López Lorenzo
doaj   +1 more source

Evaluation of Factors Affecting the Outcomes of Strabismus Surgery and Treatment of Amblyopia

Namık Kemal Tıp Dergisi, 2022
Aim:It was aimed to determine the factors affecting outcomes in concomitant esotropia and treatment of amblyopia.Materials and Methods:The records of 159 patients in Haydarpaşa Numune Training and Research Hospital, Clinic of Ophthalmology, Strabismus ...
Umut GÜNER, İbrahim ŞAHBAZ
doaj   +1 more source

Do Glasses Modulate Age Perception?

i-Perception, 2020
No formal studies have reported how glasses influence age perception, except for a London Vision Clinic survey that found that people over 45 look 5 or more years older when wearing eyeglasses.
Nicolas M. Brunet, Jonathan Sharp
doaj   +1 more source

Effect of Chinese eye exercises on change in visual acuity and eyeglasses wear among school-aged children in rural China: a propensity-score-matched cohort study

BMC Complementary Medicine and Therapies, 2020
Background Daily “eye exercises,” massaging of periocular acupuncture pressure points, have been part of China’s national vision care policy in schools for some 50 years.
Huan Wang, Yiwei Qian, Nathan Congdon, Matthew Boswell, Scott Rozelle, Xiaochen Ma   +5 more
doaj   +1 more source

Effects of Vision Health Education and Free Eyeglasses on Knowledge of Vision and Usage of Spectacles Among Primary School Students: Evidence from Gansu and Shaanxi Provinces in China

Risk Management and Healthcare Policy, 2021
Yunyun Zhang,1 Hongyu Guan,1 Kang Du,1 Jin Zhao,1 Yaojiang Shi,1 Huan Wang,1 Decai Wang2 1Center for Experimental Economics in Education, Shaanxi Normal University, Xi’an, People’s Republic of China; 2Zhongshan Ophthalmic Center, State Key ...
Zhang Y, Guan H, Du K, Zhao J, Shi Y, Wang H, Wang D   +6 more
doaj