Results 101 to 110 of about 19,525 (203)

Delivering refractive error services: primary eye care centres and outreach

Community Eye Health Journal, 2007
Addressing refractive errors, the second major cause of preventable blindness, is now a priority for eye care programmes.Although a simple pair of spectacles will correct refractive error, there exists a high prevalence of uncorrected refractive error ...
Kovin Naidoo, Dhivya Ravilla
doaj  

Comparison of visual and refractive results of Toric Implantable Collamer Lens with bioptics for myopic astigmatism [PDF]

, 2013
PURPOSE: To compare visual and refractive results of Toric Implantable Collamer Lens (TICL) and bioptics (ICL plus excimer corneal surgery) to treat myopic astigmatism. METHODS: Eighty-one eyes underwent TICL implantation and 83 eyes were treated with
A Sugar, American Academy of Ophthalmology, C. Lisa, CA Sanchez-Galeana, DR Sanders, DR Sanders, DR Sanders, DR Sanders, G Munoz, J. F. Alfonso, J. M. González-Méijome, JF Alfonso, JF Alfonso, JF Alfonso, JF Alfonso, JF Alfonso, JF Alfonso, JL Arne, JL Guell, K Kamiya, K Kamiya, K Kamiya, L. Fernández-Vega Cueto, LN Thibos, P Fernandes, P. Fernandes, R Zaldivar, R. Montés Micó, RJ Uusitalo, S Schallhorn, SC Schallhorn, SH Choi, T Kohnen   +32 more
core   +1 more source

Exploring the Impact of Refractive and Ocular Residual Astigmatism on Stereopsis After Photorefractive Keratectomy in Patients With Myopic Astigmatism

Journal of Ophthalmology, Volume 2026, Issue 1, 2026.
Background To investigate the impact of refractive and ocular residual astigmatism (ORA) on stereopsis after photorefractive keratectomy (PRK) for the correction of myopic astigmatism. Methods This prospective observational study was conducted on patients who underwent PRK for the treatment of myopia and myopic astigmatism using a Schwind Amaris 1050RS
Faezeh Fayaz, Mohsen Pourazizi, Payam Nabovati, Alireza Peyman, Pegah Noorshargh, Kofi Asiedu   +5 more
wiley   +1 more source

Effect of Corneal Incision Features on Corneal Endothelial Cell, Astigmatism, and Higher‐Order Aberrations After Implantable Collamer Lens Implantation

Journal of Ophthalmology, Volume 2026, Issue 1, 2026.
Purpose This study evaluated the impact of clear corneal incision (CCI) morphology on corneal endothelial cell density (ECD), astigmatism, and higher‐order aberrations (HOAs) following implantable collamer lens (ICL) implantation. Design Prospective study. Methods Sixty‐five patients (65 eyes) undergoing ICL implantation were included.
I-Chun Lin, Mingrui Cheng, Mingwei Li, Yinjie Jiang, Guanghan Xu, Yadi Lei, Zhiwei Mao, Rui Ning, Xun Chen, Xiaoying Wang, Shweta Negi   +10 more
wiley   +1 more source

Epithelial ingrowth following laser in situ keratomileusis (LASIK): prevalence, risk factors, management and visual outcomes [PDF]

, 2018
The number of laser in situ keratomileusis (LASIK) procedures is continuing to rise. Since its first application for correcting simple refractive errors over 25 years ago, the role of LASIK has extended to treat other conditions, including ...
Danjoux, Jean-Pierre, Srinivasan, Sathish, Ting, Darren Shu Jeng   +2 more
core   +1 more source

A brief guide to carrying out research about adult social care services for visually impaired people [PDF]

, 2011
Carrying out research about adult social care services for visually impaired people presents challenges that are not necessarily found in other fields.
Charles, Nigel
core  

Testing the validity of THz reflection spectra by dispersion relations

, 2005
Complex response function obtained in reflection spectroscopy at terahertz range is examined with algorithms based on dispersion relations for integer powers of complex reflection coefficient, which emerge as a powerful and yet uncommon tools in ...
A. Pashkin, E. Gornov, K.-E. Peiponen, K.-E. Peiponen, M. C. Nuss, M. Khazan, M. Kuwata-Gonokami, V. Lucarini, V. Lucarini, Y. Ino, Y. Svirko   +10 more
core   +1 more source

SWOT analysis of the models used by social enterprises in scaling effective refractive error coverage to achieve the 2030 in SIGHT in Kenya

Scientific Reports
Uncorrected refractive error has predominantly been delivered through commercial entrepreneurship in Kenya. However, to achieve the 2030 IN SIGHT, integration of other forms of entrepreneurship such as the social entrepreneurship is desirable to ...
Shadrack Muma, Kovin Shunmugam Naidoo, Rekha Hansraj   +2 more
doaj   +1 more source

Visual Screening and Refractive Errors among School Aged Children

Journal of Rawalpindi Medical College, 2014
Background: To evaluate visual disability (visual function), and prevalence and pattern of refractive errors in school-aged children (5 to 16 years old). Methods: A total of 45,122 children were screened.
Ambreen Gull
doaj  

Three-piece add-on posterior chamber intraocular lens implantation for the correction of symptomatic pseudophakic ametropia: a retrospective study

Al-Azhar Assiut Medical Journal, 2018
Purpose To evaluate the implantation of secondary low-power sulcus piggyback posterior chamber intraocular lenses (PCIOLs) for the correction of unaccepted postoperative refractive surprises or anisometropia.
Mahmoud F Rateb, Mohammed N El-Mohamady, Ibrahim M Ahmed   +2 more
doaj   +1 more source