Results 31 to 40 of about 128,271 (341)
Saudi Journal for Health Sciences, 2022 Background: Refractive errors are the leading cause of visual impairments in the Kingdom of Saudi Arabia (KSA). Laser refractive eye surgeries are getting huge popularity for correcting these visual impairments in KSA and other gulf countries.
Abdullhamid S AlGhamdi +4 more
doaj +1 more source
A fast high-order solver for problems of scattering by heterogeneous bodies [PDF]
, 2003 A new high-order integral algorithm for the solution of scattering problems by heterogeneous bodies is presented. Here, a scatterer is described by a (continuously or discontinuously) varying refractive index n(x) within a two-dimensional (2D) bounded ...
Bruno, Oscar P., Sei, Alain
core +1 more source
Journal of Current Ophthalmology, 2018 Purpose: The aim of this study was to analyze and compare corneal endothelial cell morphology and characteristics in bilateral keratoconus (KCN) patients with unilateral Vogt's striae. Methods: Fifty patients aged 20–38 years were recruited in this cross-
Hadi Ostadi-moghaddam +5 more
doaj +1 more source
Investigation of the effects of Islamic fasting on ocular parameters
Journal of Current Ophthalmology, 2017 Purpose: To investigate the effects of religious fasting during the month of Ramadan on intraocular pressure (IOP), refractive error, corneal tomography and biomechanics, ocular biometry, and tear film layer properties.
Mohamad-Reza Sedaghat +8 more
doaj +1 more source
Journal of Current Ophthalmology, 2019 Purpose: To compare clinical outcomes between mechanical debridement photorefractive keratectomy (m-PRK) and trans-epithelial photorefractive keratectomy (t-PRK) in myopic patients.
Siamak Zarei-Ghanavati +3 more
doaj +1 more source
Does Long-Term Night Shift Work Cause Dry Eye in Hospital Nurses?
Journal of Ophthalmic & Vision Research, 2023 Purpose: To determine the long-term effects of night shift work on dry eye in hospital nurses. Methods: Each participant was evaluated four times, including at the beginning of the day shift (8 am), at the end of the day shift (2 pm), at the beginning of
Aria Bouyeh +9 more
doaj +1 more source
Peripheral refraction and the development of refractive error: a review [PDF]
Ophthalmic and Physiological Optics, 2010 It has been suggested that emmetropic and low-hyperopic eyes in which the refractive error in the periphery of the visual field is relatively hyperopic with respect to the axial refraction may be at greater risk of developing myopia than eyes with similar refractions but relatively myopic peripheral refractive errors.
Neil Charman, W., Radhakrishnan, Hema
openaire +4 more sources
Inheritance of Refractive Error in Millennials [PDF]
Scientific Reports, 2020 AbstractOver the last decades, the prevalence of myopia has suddenly increased, and at this rate, half of the world’s population will be myopic by the year 2050. Contemporary behavioural and lifestyle circumstances, along with emergent technology, are thought to be responsible for this increase.
Dibyendu Pusti +4 more
openaire +2 more sources
Journal of Current Ophthalmology, 2018 Purpose: The aim of this study was to determine the distribution of corneal eccentricity (E-value) in a normal population and to examine related factors.
Samira Heydarian +6 more
doaj +1 more source
Refractive errors among commercial drivers
Indian Journal of Ophthalmology, 2022 Purpose: To determine the pattern of refractive error among commercial drivers in north India. Methods: Descriptive study with convenient sampling conducted among commercial drivers of north India. Results: A total of 213 (75.8%) heavy-vehicle and 68 (24.
Mukesh Kumar +4 more
doaj +1 more source