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Impact of Visual Impairment and Correction on Vision-Related Quality of Life: Comparing People with Different Levels of Visual Acuity in Indonesia

WIDAGDO, T M M
RAPPUN, Y
GANDRUNG, A V
WIBOWO, E
2021

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Purpose: This study assessed the extent to which visual impairment impacts on vision-related quality of life in Indonesia, by comparing four groups of people: those with 1) normal vision, 2) corrected visual impairment, 3) uncorrected visual impairment, and 4) blindness.

 

Method: Purposive sampling was used. There were 162 respondents, between 21 and 86 years of age. Participants with normal vision and blindness were community-dwellers in Yogyakarta, Indonesia. Those with corrected and uncorrected visual impairment were recruited from an eye clinic. This cross- sectional study used NEI VFQ-25 to assess vision-related quality of life. The total scores and 11 NEI VFQ-25 subscales scores of four respondent groups were analysed using ANOVA, followed by post-hoc analyses to reveal between group differences.

 

Results: There was a significant difference in the NEI VFQ-25 total scores among the four respondent groups. Respondents with normal vision had the highest score and those with blindness had the lowest. There were also significant differences among the four groups for the 11 subscales. Post-hoc analyses revealed no significant difference between respondents with normal vision and corrected visual impairment in the total and 9 NEI VFQ-25 subscales. Respondents with uncorrected visual impairment and blindness had significantly lower vision- related quality of life compared to those with normal vision or corrected visual impairment in the total and 5 NEI VFQ-25 subscales, indicating that visual impairment decreases vision-related quality of life.

 

Conclusion: Visual impairment has a detrimental impact on a person’s vision- related quality of life. The negative impact of visual impairment can be minimised by correction. Failure to correct visual impairment leads to significantly lowervision-related quality of life.

Concurrent Validity of Mobility Disability Scale among Community-dwelling Individuals

Manikandan, Natarajan
Kumar, K B
Rajashekhar, B
2016

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Purpose: A new Mobility Disability Scale (MDS) has been developed to assess the level of mobility disability among community-dwelling individuals. For it to be used effectively, a systematic evaluation of the psychometric properties isrequired. This study was conducted to determine the concurrent validity of the MDS among community-dwelling individuals, as compared to the Functional Independence Measure (FIM) and Functional Assessment Measure (FAM).

 

Method: Based on the survey of a semi-urban community, purposive sampling was used to select 52 individuals with mobility disability. All of them were evaluated using MDS and FIM FAM scales at the same time. Spearman’s Rankcorrelation coefficient was used to analyse the correlation of MDS scores with the FIM FAM scale scores.

 

Results: MDS scores had statistically significant negative correlation with FIM FAM total scale scores (r= -0.711) and the correlation was stronger when analysed with the mobility components of FIM FAM scales (r= -0.724).

 

Conclusion: The MDS possesses moderate concurrent validity with an existing functional scale. This indicates that it may be a suitable tool to quantify the level of mobility disability in persons with disability living in community.

 

Limitation: The psychosocial domain, though important, could not be compared with any gold standard measures due to unavailability of suitable scales.

Prevalence of Physical Disability among Urban Community-dwelling Adults in Sri Lanka

Weerasinghe, Inoka E
Fonseka, P
Dharmaratne, S D
Jayatilake, J A M S
2015

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Purpose: Assessment of physical disability at the community level is essential for rehabilitation and supply of services. This study aimed to assess the prevalence of physical disability among adults in an urban community in Sri Lanka.

 

Methods: A descriptive cross-sectional study was conducted among 2460 adults (18 -59 years of age) who were selected using cluster sampling. Physical disability was measured using a Physical Impairment Examination Tool (PIET) and World Health Organisation Disability Assessment Schedule II (WHODAS II).

 

Results: Prevalence of physical disability was 4.2% (95% CI= 3.5-5.1). Physical disability was higher among people in the age group of 40-59 years (6.5%, n=64) than among those in the age group of 18-39 years (2.6%, n=39) (P<0.05). Physical disability was more prevalent among females (4.4%, 95% CI= 4.2-4.6) than males (2.6%, 95% CI: 2.4-2.8), and among Tamils (7.8%, 95% CI=5.1%- 10.5%) than Sinhalese (3.3%, 95% CI=2.4%- 4.1%). It was higher among those who were divorced/widowed (58.3%, 95% CI=30.4- 86.2) than among married people (3.6%, 95% CI=2.8- 4.4). The prevalence of physical disability was 7.1% (95% CI=4.6- 9.5) among people with primary education, 4.5% (95% CI=3.4- 5.6) among those with secondary education, and 1.8% (95% CI=0.8- 2.8) among those with tertiary education. It was higher among the unemployed (7.2%, 95% CI=5.7-8.7) than the employed (1.8%, 95% CI=1.1-2.5). Age, gender, ethnicity, marital status, education levels and employment status were significantly associated with physical disability. 

 

Conclusions: Though the prevalence of physical disability appears to be higher among Sri Lankan adults than among people in developed countries, it is less than among people in other South-East Asian countries. Associations with socio-demographic variables were consistent with other studies.

The Rapid Assessment of Disability – Informing the Development of an Instrument to Measure the Effectiveness of Disability Inclusive Development Through a Qualitative Study in Bangladesh

HUQ, N L
EDMONDS, T J
BAKER, S
BUSJIA, L
DEVINE, A
FOTIS, K
MARELLA, M
GOUJON, N
KEEFFE, J
2013

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Purpose: The Rapid Assessment of Disability (RAD) questionnaire was developed to provide governments and development agencies with an appropriate instrument to determine the prevalence of people with disability within theirtarget populations, and to design and evaluate the effectiveness of disability inclusive activities in addressing their priorities and needs.

 

Method: The RAD questionnaire was developed using two conceptual frameworks: the United Nations Convention on the Rights of Persons with Disabilities (UNCRPD), and the International Classification of Functioning, Disability and Health (ICF). Existing instruments were reviewed to inform the structure and content of the RAD questionnaire. The RAD questionnaire that was developed for field testing in Bangladesh comprised both a household questionnaire and a questionnaire for individuals within each household, with 5 sections: 1) Demographic information, 2) Assessment of functioning, 3) Awareness of rights of people with disability, 4) Well-being and quality of life, 5) Participation in the community. Prior to field-testing the RAD questionnaire in Bangladesh, a qualitative study was conducted to ensure the relevance of the questionnaire in the context of a developing country. In-depth interviews with 9 people with disability and a focus group of 8 parents of children with disability were conducted in Dhaka, Bangladesh. 

 

Results:Qualitative findings highlighted factors relevant to the lives of people with disability in Bangladesh, including discrepancies between the awareness and attainment of rights for people with disability, the wellbeing of people withdisability and their families, as well as numerous barriers to full participation in their community. While the findings confirmed that the design and content of the questionnaire reflected all these aspects, some changes were made to the items in the questionnaire to ensure that it reflected the views of people with disability from the context of a developing country.

 

Conclusion and Implications: This qualitative study was an important step in the development of the RAD questionnaire as it helped to achieve its aim - namely, to establish the prevalence of disability and to assist in the design and evaluation of disability inclusive interventions in the setting of a developing country.

The Face of Disability in Nigeria: A Disability Survey in Kogi and Niger States

SMITH, N
2011

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The Leprosy Mission Nigeria conducted a disability survey in Kogi and Niger States of Nigeria in 2005, investigating the demographic characteristics of people with disabilities, including gender, age, religion, marital, educational, occupational, employment and economic status, understanding of disability and health-seeking behaviour.

 

Information was gathered from a convenience sample of participants, across 30 randomly selected towns and villages in the two states. Twelve trained bilingual research assistants were used, to translate the English language questionnaire verbally into the local language of each participant.

 

From the 1093 respondents studied, the most common disabilities involved vision (37%), mobility (32%) or hearing (15%). A third of these were less than 21 years of age and had no occupation, and 72% were Muslim. Over half of them had no education, 20% had primary, 8% secondary, 2% tertiary and 18% had Islamic education. Common occupations were begging (16%), studying (14%), farming (11%) and trading (8%). The majority were unemployed (61%) due to their disability. Over 70% were not able to access disability specific health services and 37% had an assistive device. Services accessed included health - mainstream (90%), traditional (61%) and counselling (58%); and other - rehabilitation (30%), assistive device provision (24%), welfare (22%), special education (15%), vocational training (10%) and economic empowerment (4%).

 

These results are comparable with findings in other studies. Disability affects a person’s ability to participate in education, work, family life and religion, influences health-seeking behaviour and contributes to poverty.

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