Globally, uncorrected refractive errors are the main cause of visual impairment cataracts remain the leading cause of blindness in middle- and low-income countries the number of people visually impaired from infectious diseases has greatly reduced in the last 20 years. About 207,200 ghanaians are blind, the ghana health service (ghs) has revealed it said they represent 074% of the population the ghs said over 300,000 ghanaians, representing 107 per cent of the population, were also seriously sick with severe visual impairment and they would soon be completely blind if the necessary intervention measures were not taken. In his address, the director in charge of institutional care, a division of the ghana health service, dr samuel kaba, said ghana eye health programme was committed to working towards the reduction of avoidable blindness and visual impairment in the country to meet the vision 2020 programme. The severe visual impairment prevalence is 107 per cent, meaning 299,600 ghanaians are seriously sick with visual impairment and will soon be completely blind if necessary measures are not taken. Totally, 19 million children have some types of vision disorder that are the fourth most common disability among children in the us (1)(2) (3) (4) conditions such as refractive errors, strabismus.
Approximately 1% of the ghanaian population suffers severe visual impairment (ghana national blindness and visual impairment study, gnbvis, 2017) overall, cataract is the leading cause of blindness in ghana, accounting for 45 - 50% of the burden of blindness in 2013. Of visual impairment among the youth in ghana this because the tertiary student population shares similar used in diagnosing the cause of visual impairment in the. Abstract: most causes of childhood blindness in ghana are avoidable over 40 % of the students in the school for the blind in ghana have functional residual vision that requires low-vision care. A maiden national survey on blindness and visual impairment has established that 300,000 people representing 107 per cent of the ghanaian population, are on the verge of getting blind because they suffer a severe visual impairment.
The causes and prevalence of visual impairment causes of low vision and blindness among chil- ghana based on hospital data7 a subsequent. Cause of moderate to severe visual impairment a population-based survey reported prevalence of 17% major blinding disorder in the wenchi district in central ghana. Kojo mensah is a 7-year-old class 2 pupil in a school in teleku bukazo in the western region of ghana he is a very tall child so his teacher has placed him at the back of the class so that he does not obstruct the view of other pupils in the class who are shorter than him.
Objective to determine the prevalence, causes, and risk factors of blindness and visual impairment among persons aged 40 years or older residing in an urban west african location. Original paper causes of childhood visual impairment and unmet low-vision care in blind school students in ghana c t ntim-amponsah æ w m k amoaku. Conclusion: the prevalence of visual impairment and blindness among cocoa farmers in ghana is relatively high the major causes of visual impairment and blindness are largely preventable or.
Data on blindness and visual impairment in emr and africa: who releases the new global estimates on visual impairment: using the most up to date studies, who estimates that the number of people with visual impairment (presenting vision) is 285 million of these, 246 million have low vision (and 39 million are estimated to be blind. A vision impairment means that even with correction, your ability to see is reduced low visual acuity and blindness are two types of visual impairments what is considered as legal blindness varies from country to country causes of vision impairments include diabetic retinopathy, eye injuries, and cataracts. Wa, jan 31, gna - uncorrected refractive errors are the leading cause of visual impairment globally, says dr oscar debrah, head of eye care - ghana he said. Causes of visual impairment and blindness the commonest causes of blindness and visual impairment in the region are cataract, glaucoma, and uncorrected refractive errors with the near absence of trachoma and onchocerciasis, the focus of our interventions is on eliminating visual impairment and blindness from cataract and refractive errors.
However, like many other countries, ghana did not have a nationally representative survey on blindness and visual impairment to address this, the ghana national blindness and visual impairment study was conducted the aim of this study was to provide robust national representative data on blindness and visual impairment in ghana. The 2017 ghana blindness and visual impairment study reveals over 300,000 people are on the verge of going totally blind cataract is one of the major causes of blindness with the rural places. The prevalence of visual impairment (vi) and blindness in africa is one of the highest in the world a large proportion of the causes are preventable the prevalence is particularly high. Visual impairment refers to loss of vision due to blindness and or low vision state of a person, which cannot be corrected by conventional ophthalmic therapy such as refractive correction, use of medication or surgery and consequently affects visual capabilities 1, 2.
Visual impairment in south africa: achieve botswana,eritrea,ethiopia,gambia,ghana, based survey to determine the causes and. The economically active age group and a significant cause of monocular visual impairment/ blindness in tth, tamale, ghana public awareness campaign on preventive measures need to. According to the world health organization, globally the number of people of all ages visually impaired is estimated to be 285 million, of whom 39 million are blind people 50 years and older are 82% of all blind. The purpose of the survey was to determine the prevalence, causes, and magnitude of blindness in nigeria 14 prevalence data have already been published, 15 and in this publication the causes of blindness and visual impairment in nigeria are described.