Results 11 to 20 of about 192,162 (261)

Surgical Options for the Refractive Correction of Keratoconus: Myth or Reality [PDF]

Journal of Ophthalmology, 2017
Keratoconus provides a decrease of quality of life to the patients who suffer from it. The treatment used as well as the method to correct the refractive error of these patients may influence on the impact of the disease on their quality of life.
L. Fernández-Vega-Cueto, V. Romano, R. Zaldivar, C. H. Gordillo, F. Aiello, D. Madrid-Costa, J. F. Alfonso   +6 more
doaj   +6 more sources

Contrast sensitivity before and after refractive error correction among refractive error patients in Hawassa, Sidama, Ethiopia 2023. [PDF]

BMC Ophthalmol
Background Contrast sensitivity is an important measure of vision quality. Risk of falling injury is strongly associated with poor contrast sensitivity compared with poor near- and distance visual acuity.
Kebede BN, Seid SM, Samuel EG.
europepmc   +2 more sources

Improving Access to Refractive Services in Adults: A Health Examination Center-Based Model

Frontiers in Medicine, 2021
Purpose: To assess the potential of a health examination center-based screening model in improving service for uncorrected refractive error.Methods: Individuals aged ≥18 years undergoing the routine physical examinations at a tertiary hospital in the ...
Haishuang Lin, Haishuang Lin, Haishuang Lin, Jing Sun, Nathan Congdon, Nathan Congdon, Meiping Xu, Shanshan Liu, Yuanbo Liang, Yuanbo Liang, Yuanbo Liang, Hailin Wang, Shaodan Zhang, Shaodan Zhang, Shaodan Zhang, Shaodan Zhang   +15 more
doaj   +1 more source

Agreement Between Swept-source Optical Coherence Tomography and Rotating Scheimpflug Camera in Measurement of Corneal Parameters in Normal and Keratoconic Eyes

Journal of Ophthalmic & Vision Research, 2023
Purpose: This study aimed to assess the agreement between topographic indices of healthy subjects and keratoconus (KCN) patients using a swept-source optical coherence tomography (SS-OCT CASIA2) versus a Scheimpflug camera (Pentacam). Methods: 40 eyes of
Hamed Ghassemi, Mehran Zarei-Ghanavati, Mina Khastavan, Mehrnaz Atighehchian, Abbas Azimi Khorasani, Golshan Latifi   +5 more
doaj   +1 more source

Refractive Error among Children Visiting the Department of Paediatric Opthalmology of a Tertiary Eye Care Center

Journal of Nepal Medical Association, 2023
Introduction: Refractive error is the inability of eyes to focus clearly on images. Visual impairment due to refractive error has a major impact on children's education and daily activities.
Govind Gurung, Krishna Kant Gupta
doaj   +1 more source

Distribution of refractive error among chinese primary school children in a rural area in Pahang, Malaysia [PDF]

Malaysian Family Physician, 2022
Purpose: This study aimed to determine the prevalence and status of refractive error among Chinese primary school children in a rural area in Pahang. Methods: This investigation entailed a cross-sectional retrospective study design involving case file ...
Rokiah Omar, May Ek Su Wong, Chiranjib Majumder, Victor Feizal Knight   +3 more
doaj   +1 more source

Prevalence of refractive errors among the school-going children in East Sikkim

Indian Journal of Ophthalmology, 2021
Purpose: Vision plays an important role in child's development for learning and communication. Uncorrected refractive error (URE) has become a major challenge to health care policy makers especially in school going children.
Karma Loday Bhutia, Sonam Choden Bhutia, Nisha Gupta, Diki O Shenga   +3 more
doaj   +1 more source

Prevalence of visual impairment due to refractive error among children and adolescents in Ethiopia: A systematic review and meta-analysis.

PLoS ONE, 2022
IntroductionGlobally, the prevalence of refractive error was 12%, and visual impairment due to refractive error was 2.1%. In sub-Saharan Africa, the prevalence of refractive error and visual impairment due to refractive error was 12.6% and 3.4 ...
Daniel Atlaw, Zerihun Shiferaw, Biniyam Sahiledengele, Sisay Degno, Ayele Mamo, Demisu Zenbaba, Habtamu Gezahegn, Fikreab Desta, Wogene Negash, Tesfaye Assefa, Mujib Abdela, Abbul Hasano, Gashaw Walle, Chala Kene, Degefa Gomora, Vijay Kumar Chattu   +15 more
doaj   +1 more source

Comparison of the new self-contained darkroom refractive screener versus table-top autorefractor and cycloplegia retinoscopy in detecting refractive error

BMC Ophthalmology, 2023
Purpose By comparing the results of the new self-contained darkroom refractive screener (YD-SX-A) versus table-top autorefractor and cycloplegic retinoscopy, to evaluate the performance of the YD-SX-A in detecting refractive error in children and ...
Xianxian Wei, Lili Li, Li Jiang, Haiyan Lu, Huiyao Huang, Dedong Zhong, Liang Pan, Diefeng Wei, Yun Han, Hong Lin, Qi Chen   +10 more
doaj   +1 more source

Application of big-data for epidemiological studies of refractive error.

PLoS ONE, 2021
PurposeTo examine whether data sourced from electronic medical records (EMR) and a large industrial spectacle lens manufacturing database can estimate refractive error distribution within large populations as an alternative to typical population surveys ...
Michael Moore, James Loughman, John S Butler, Arne Ohlendorf, Siegfried Wahl, Daniel I Flitcroft   +5 more
doaj   +1 more source