History of Blindness/Visual Impairment
Risk factors for open-angle glaucoma in Nigeria: results from the Nigeria National Blindness and Visual Impairment Survey
... Barbadian history is that a significant portion of the population was derived from the Bight of Biafra (also known as Bight of Bonny) in southeastern Nigeria; and about 44 % of enslaved Africans taken to Barbados ...
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Prevalence and causes of blindness, visual impairment, and cataract surgery in Timor Leste
... distance visual acuity was measured using a standardized tumbling E ...Pinhole visual acuity was tested in all eyes with visual acuity ...surgery history and related infor- mation such as the ...
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Prevalence and causes of visual impairment and blindness among school children in Muzaffarabad, Pakistan
... school. Visual acuity was measured at a 6 meter or a 20 feet distance by an ophthalmic technologist using standard logarithmic chart that was retro-illuminated along with tumbling-E ...corrected visual ...
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Blindness and visual impairment in retinitis pigmentosa: a Cameroonian hospital-based study
... population. Blindness which is not well explained (ie, not cataract or glaucoma) is often attributed to a curse from, for example, a ...of blindness recorded in the family history of a patient ...
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Prevalence, causes, magnitude and risk factors of visual impairment and blindness in Sri Lanka
... All participants were then examined by an ophthal- mologist, who took an ocular history, and examined anterior and posterior segments through an un-dilated pupil at the slit lamp. If the PVA was 6/12 in both ...
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Prevalence and visual outcomes of cataract surgery and cataract surgical coverage in Sri Lanka: findings from the National Blindness and Visual Impairment Survey
... Two dedicated teams were recruited and trained, and study sites were visited concurrently. Each team had a trained ophthalmologist, two optometrists and a team of interviewers and enumerators. A survey coordinator led ...
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The Nigerian national blindness and visual impairment survey: Rationale, objectives and detailed methodology
... The 'community' ophthalmologists then elicited a history of hypertension, diabetes mellitus, glaucoma, trachoma or ocular trauma in one or both eyes. Participants were asked if they had skin changes typical of ...
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Experiences of vision impairment in Papua New Guinea: implications for blindness prevention programs
... vision impairment affects their lives and the lives of their family ...vision impairment have been investigated in order to explore quality of life, the person’s needs, and provide some understanding into ...
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Geographical variation in certification rates of blindness and sight impairment in England, 2008 2009
... sight impairment and blindness due to diabetes (as measured by CVI), which showed a high level of variation (eightfold), and raised concerns, particularly as there is a diabetic eye screening programme ...
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Care Provision for Poststroke Visual Impairment
... We received three criticisms about completion of the survey in which respondents found it difficult to complete the survey because many questions were asked about visual assessments and treatments and staff did ...
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Age Related Visual Impairment in the Elderly
... Refractive errors such as presbyopia are readily corrected with spectacles or contact lenses. Patients must be encouraged to visit their optometrist for proper correction of refractive errors. Reduced visual ...
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PRACTICE REPORT. Accepted for publication in the. Journal of Visual Impairment and Blindness
... Employment opportunities for persons who are severely visually impaired (that is, those who are blind or have low vision) are often extremely limited (Crudden, Sansing, & Butler, 2005; Moore, Wolffe, & McDonnall, ...
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Visual Impairment and Educational Attainment
... Visual Stress is a condition defined as the inability to see comfortably due to visual perceptual distortions. There has been little research carried out into the links between Visual Stress and ...
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Services for children with visual impairment
... The Parliamentary Under-Secretary of State, Department of Health (Earl Howe) (Con): Early detection is essential to tackling avoidable visual impairment. A range of treatment and services is in place in the ...
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Altered functional connectivity of primary visual cortex in late blindness
... that visual deprivation after sensitive development periods induces decreased FC between V1 and higher visual areas, motor cortices, and soma- tosensory cortices at ...modulations, visual imagery, ...
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Improving Detection of Blindness in Childhood: The British Childhood Vision Impairment Study
... of blindness in ...serious visual problem varied according to ethnicity and so- cioeconomic status, with half of the study children being detected by a health professional without clear evi- dence of ...
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What is the global burden of visual impairment?
... of visual impairment, in most cases by simple ...of visual impairment due to natural refractive error sets in at a younger age than the other major causes, it is responsible for a much larger ...
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Undergraduate Educational Experiences: The Academic Success of College Students with Blindness and Visual Impairments
... with blindness and visual impairments at four ...with blindness and visual impairment in an electronic format through ...with blindness and visual impairments of this ...
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Visual discrimination training improves Humphrey perimetry in chronic cortically induced blindness
... of visual disuse atrophy, a consequence of retrograde degenera- tion of neurons in the dorsal lateral geniculate nucleus (dLGN) and retina, 27–31 or whether patients learned to ignore weak, unreliable vision near ...
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Visual narratives : a history of art at CERN
... its visual impact, speaking both about the machine and its aesthetically arresting output: “Even today, bubble chamber photographs provide the aesthetically most appealing visualization of sub nuclear collisions” ...
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