Results 61 to 70 of about 18,402 (236)

A truly knotless technique for scleral fixation of intraocular lenses: Two-year results

open access: yesIndian Journal of Ophthalmology, 2012
Scleral fixated intraocular lens (SFIOL) is a safe and effective option for managing optical aphakia. Suture related complications like suture erosion, suture breakage, endophthalmitis, etc. are unique to SFIOL.
Naresh K Yadav   +3 more
doaj   +1 more source

Refractive errors among children, adolescents and adults attending eye clinics in Mexico [PDF]

open access: yesInternational Journal of Ophthalmology, 2017
AIM: To assess the proportion of refractive errors in the Mexican population that visited primary care optometry clinics in fourteen states of Mexico. METHODS: Refractive data from 676 856 patients aged 6 to 90y were collected from optometry clinics in ...
Francisco Gomez-Salazar   +16 more
doaj   +1 more source

Corneal wavefront-guided photorefractive keratectomy with mitomycin-C for consecutive hyperopia after radial keratotomy [PDF]

open access: yes, 2010
OBJETIVO: Avaliar a eficácia, previsibilidade e estabilidade da ceratectomia fotorrefrativa (PRK) guiada pela frente de onda corneana para o tratamento da hipermetropia secundária à ceratotomia radial.
GHANEM, Emir Amin   +2 more
core   +2 more sources

Prevalence of visual impairment and refractive errors in an urban area of Mexico [PDF]

open access: yesInternational Journal of Ophthalmology, 2019
AIM: To determine the distribution of refractive errors in a school-age population in Quintana Roo (Mexico) in the framework of an international cooperation campaign for the prevention of blindness. METHODS: A sample of 2647 school-age children (ranging
Isabel Signes-Soler   +3 more
doaj   +1 more source

Measuring glucose content in the aqueous humor [PDF]

open access: yes, 2004
Many diabetics must measure their blood glucose levels regularly to maintain good health. In principle, one way of measuring the glucose concentration in the human body would be by measuring optically the glucose content of the aqueous humor in the eye ...
Aguareles, Maria   +7 more
core  

Refractive error study in young subjects: results from a rural area in Paraguay [PDF]

open access: yes, 2017
AIM: To evaluate the distribution of refractive error in young subjects in a rural area of Paraguay in the context of an international cooperation campaign for the prevention of blindness.
Estrella Lumeras, Miguel Ángel   +4 more
core   +5 more sources

Refractive errors and the uniform patient fee scheme at a public hospital in South Africa

open access: yesAfrican Vision and Eye Health
Background: Uniform Patient Fee Scheme (UPFS) refers to the healthcare subsidy levels provided by public hospitals in South Africa. Such subsidies indirectly reflect socio-economic factors and thus potentially might impact upon distributions of ...
Khisimusi D. Maluleke   +2 more
doaj   +1 more source

Age-related changes in the human visual system and prevalence of refractive conditions in patients attending an eye clinic [PDF]

open access: yes, 2008
PURPOSE: To retrospectively report the trends of change in several parameters of the human visualsystem over a wide age range in patients attending an eye clinic. SETTING: University of Valencia, Valencia, Spain.
Ferrer-Blasco, Teresa   +2 more
core   +1 more source

Prevalence of refractive errors in children in India: a systematic review [PDF]

open access: yes, 2018
Uncorrected refractive error is an avoidable cause of visual impairment which affects children in India. The objective of this review is to estimate the prevalence of refractive errors in children ≤ 15 years of age.
Aditi Modi   +48 more
core   +1 more source

Comparative analysis of corneal histomorphology of adults and children with hyperopia after intrastromal femtosecond laser keratomileusis

open access: yesОфтальмохирургия, 2016
Purpose. A comparative analysis of cornea histomorphology of adults and children with hyperopic refraction after femtosecond laser intrastromal keratomileusis (FemtoLASIK).Material and methods.
N. P. Pashtaev   +2 more
doaj   +1 more source

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