Results 41 to 50 of about 823,041 (248)

Crop insurance and irrigation behavior: The conditional role of pumping costs

American Journal of Agricultural Economics, EarlyView.
Abstract Excessive water use for irrigation can accelerate the depletion of water resources, undermining agriculture's resilience to weather‐related shocks. Understanding how farmers make water use decisions is essential for developing effective water management policies.
Sungmin Cheu, Molly Sears
wiley   +1 more source

Efficacy of different optical zone design with different myopia control for corneal refractive therapy (CRT): a one-year prospective cohort study

BMC Ophthalmology
Purpose This study aims to compare the one-year myopia control effects of orthokeratology (OK) lenses with different optical zone designs in children with varying degrees of myopia.
Wei-Xia Lai, Meng-Tong Wang, Ren-Xiu Fu, Xixi Wu, Qiu-Ming Hu, Yi-Yue Jia, Yu-Yi Zhang, Dong-Yong Tang, Wei-Min Zhang   +8 more
doaj   +1 more source

The Effectiveness of Different Optical Correction Methods in Children and Adolescents with Progressive Myopia Based on a Comparative Evaluation of the Accommodation and Axial Length of Eyes

Oftalʹmologiâ, 2018
Objective: to determine optimal method of progressive myopia optical correction in children and adolescents.Patients and methods. Conducted 5-year prospective clinical and instrumental examination of 494 children with myopia using orthokeratology lenses,
M. M. Sitka, S. G. Bodrova, N. A. Pozdeyeva   +2 more
doaj   +1 more source

COREQ checklist: Is Optometry Ready for Myopia Control? Education and other Barriers to the Treatment of Myopia. [PDF]

, 2019
Background With the increasing prevalence of myopia there is growing interest in active myopia control. However, the majority of progressive myopes are still prescribed single vision spectacles.
Flitcroft, Daniel Ian, Loughman, James, McCrann, Saoirse   +2 more
core   +1 more source

Adult Myopia Progression

Investigative Ophthalmology & Visual Science
To explore evidence for myopic shift between the ages of 20 and 50 years.Three usable sets of data with long-term adult refractive progression were identified: (1) US population-based prevalence data for those 18 to 24 years of age in 1971 and 1972 and 45 to 54 years of age from 1999 to 2004; a logit transformation of prevalence values at different ...
Brennan, Noel A., Cheng, Xu, Bullimore, Mark A.   +2 more
openaire   +2 more sources

Annual Myopia Progression and Subsequent 2-Year Myopia Progression in Singaporean Children

Translational Vision Science & Technology, 2020
To investigate the association between 1-year myopia progression and subsequent 2-year myopia progression among myopic children in the Singapore Cohort Study of the Risk Factors for Myopia.This retrospective analysis included 618 myopic children (329 male), 7 to 9 years of age (mean age, 8.0 ± 0.8) at baseline with at least two annual follow-up visits.
Matsumura, Saiko, Lanca, Carla, Htoon, Hla Myint, Brennan, Noel, Tan, Chuen-Seng, Kathrani, Biten, Chia, Audrey, Tan, Donald, Sabanayagam, Charumathi, Saw, Seang-Mei   +9 more
openaire   +2 more sources

Improving access to new technologies: An experiment with Kenyan input sellers

American Journal of Agricultural Economics, EarlyView.
Abstract Agrodealers play a critical role in rural economies, selling essential inputs for agricultural production, stocking new products, and providing farmers with technical advice. However, uncertainty can discourage them from stocking newer, less familiar products, limiting the availability of innovative technologies and leading to market failures ...
Sarah W. Kariuki, Francisca N. Muteti, Annemie Maertens, Michael Ndegwa, Hope Michelson, Mercy Mbugua, Jason Donovan   +6 more
wiley   +1 more source

Clinical management of progressive myopia [PDF]

Eye, 2013
Myopia has been increasing in prevalence throughout the world, reaching over 90% in some East Asian populations. There is increasing evidence that whereas genetics clearly have an important role, the type of visual environment to which one is exposed to likely influences the onset, progression, and cessation of myopia.
openaire   +2 more sources

Recurrent Neurodevelopmental Disorder Associated With a Dominant‐Negative TOP2B H63Y Variant

American Journal of Medical Genetics Part A, EarlyView.
ABSTRACT We describe a 7 year‐old boy with severe neurodevelopmental disorder, medically‐refractory epileptic encephalopathy, hyperkinetic movement disorder, hypotonia, cerebral and cerebellar atrophy and hypomyelination who was found to have a heterozygous de novo TOP2B NM_001330700.2:c.187C>T, p.(His63Tyr) variant.
Zong Yi Ha, Leticia Dinatto, Kirsten Meagher, Colleen Guimond, Jan M. Friedman, Peter C. Stirling, Millan S. Patel   +6 more
wiley   +1 more source

Progression with myopia control spectacles: identifying predictors of response to defocus incorporated multiple segment and highly aspherical lenslets spectacles in the French myopia cohort

BMJ Open Ophthalmology
Objective To identify predictive factors of myopia progression in children wearing highly aspherical lenslets (HAL) and defocus incorporated multiple segment (DIMS) spectacles.Methods and analysis The 3-year longitudinal, retrospective real-world study ...
Jost B Jonas, Serge Resnikoff, Rupert Bourne, Alain M Bron, Nicolas Leveziel, Rime Najji, Mark Bullimore, Clément Giraud, Christine Fernandez-Maloigne   +8 more
doaj   +1 more source