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Background/Aim Adequate knowledge, attitude, and self-care practice (KAP) are paramount in reducing diabetes complications. This study examined diabetes-related KAP in individuals who have been previously reported to be at a higher risk of blindness such as those on insulin treatment or with a longer (>6 years) duration of diabetes in Bangladesh. Methods Six hundred community-dwelling individuals (mean age = 52.7±11.6 years) who had been diagnosed with diabetes by their doctor were interviewed. A semi-structured questionnaire obtained self-reported information about diabetes-related KAP, duration, treatment of diabetes, and sociodemographic parameters including age, gender, and education level. Data were collected using a purposive sample technique and analyzed using Fischer’s exact test or independent samples t-tests. Results There were 271 males (45.2%) and 329 (54.8%) females. Of the total participants (mean diabetes duration = 6.6±6.2 years), 36.5% had diabetes for more than the median duration of 6 years, 80.7% were receiving insulin or insulin combined with tablets ( insulin group) and the remaining 19.3% were on tablet only and/or diet control ( non-insulin group). One-fifth (19.8%) of all the participants did not consider diabetes a serious disease, 31.3% were unaware that uncontrolled diabetes can cause blindness, 40.5% had never had their eyes tested for diabetic retinopathy and 41.5% stated that they would not attend diabetic retinopathy screening until their eyesight became worse. Among those in the insulin group, 42.1% reported being unaware that smoking may be harmful to diabetes compared to 30.2% of those in the non-insulin group ( p = 0.02). Additionally, 64.7% of those in the insulin group were unaware that a diabetic retinal screening is different from a routine eye test for spectacles, compared to 44.8% in the non-insulin group ( p < 0.001). Sixty-two percent of participants with diabetes duration of more than 6 years reported that diabetes management was a shared responsibility between the doctor and the patient compared to 48.3% with a shorter duration ( p < 0.001). Those with a longer duration of diabetes (>6 years) also reported forgetting to take their medication more often than those with a shorter duration ( p = 0.02). Twenty-one percent of participants with a duration of diabetes longer than six years had checked their eyes within the previous year compared to 63.5% of those with a shorter duration of diabetes ( p < 0.001). Conclusion Individuals on insulin treatment demonstrated poorer knowledge and awareness of diabetes and diabetes eye screening. Those with a longer diabetes duration exhibited poorer self-care practices, particularly not taking the medication regularly, and neglecting diabetic retinal checkups. These issues need to be addressed in designing targeted educational interventions to prevent blindness from uncontrolled diabetes in the high-risk groups in Bangladesh.

Auditory distance perception plays a major role in spatial awareness, enabling location of objects and avoidance of obstacles in the environment. However, it remains under-researched relative to studies of the directional aspect of sound localization. This review focuses on the following four aspects of auditory distance perception: cue processing, development, consequences of visual and auditory loss, and neurological bases. The several auditory distance cues vary in their effective ranges in peripersonal and extrapersonal space. The primary cues are sound level, reverberation, and frequency. Nonperceptual factors, including the importance of the auditory event to the listener, also can affect perceived distance. Basic internal representations of auditory distance emerge at approximately 6 months of age in humans. Although visual information plays an important role in calibrating auditory space, sensorimotor contingencies can be used for calibration when vision is unavailable. Blind individuals often manifest supranormal abilities to judge relative distance but show a deficit in absolute distance judgments. Following hearing loss, the use of auditory level as a distance cue remains robust, while the reverberation cue becomes less effective. Previous studies have not found evidence that hearing-aid processing affects perceived auditory distance. Studies investigating the brain areas involved in processing different acoustic distance cues are described. Finally, suggestions are given for further research on auditory distance perception, including broader investigation of how background noise and multiple sound sources affect perceived auditory distance for those with sensory loss.

Globally, 2.2 billion people live with some form of vision impairment and/or eye disease. To date, most systematic reviews examining associations have focused on a single eye disease and there is no systematic evaluation of the relationships between eye diseases and diverse physical and mental health outcomes. Moreover, the strength and reliability of the literature is unclear. We performed an umbrella review of observational studies with meta analyses for any physical and/or mental comorbidities associated with eye disease. For each association, random-effects summary effect size, heterogeneity, small-study effect, excess significance bias and 95% prediction intervals were calculated, and used to grade significant evidence from convincing to weak. 34 studies were included covering 58 outcomes. No outcomes yielded convincing evidence, six outcomes yielded highly suggestive results (cataract positively associated with type 2 diabetes, open-angled glaucoma positively associated with myopia and diabetes, diabetic retinopathy positively associated with cardiovascular disease and cardiovascular mortality, and retinopathy of prematurity positively associated with chorioamnionitis), eight outcomes yielded suggestive results (diabetic retinopathy positively associated with all-cause mortality and depression, diabetic macular oedema positively associated with dyslipidaemia, cataract positively associated with gout, nuclear sclerosis positively associated with all-cause mortality, open angled glaucoma positively associated with migraine and hypertension, and age-related macular degeneration positively associated with diabetes), and 18 outcomes yielded weak evidence. Results show highly suggestive or suggestive evidence for associations between several types of eye diseases with several comorbid outcomes. Practitioners and public health policies should note these findings when developing healthcare policies.

Background Research highlights that participation of ethnic minority individuals in research is low when compared to white counterparts. This poses challenges for healthcare planning and delivery, as lack of representativeness in research means that findings are generalised across all ethnic groups, and do not provide stakeholders with a full picture of how minority populations are affected. This contributes to health inequalities as these populations may then be underserved and not get the best possible management if differences due to ethnicity were to exist. This study synthesises the barriers to engaging minority individuals in research to understand, and enablers to better engagement of different minority communities in healthcare research. Methods Five databases were searched (MEDLINE, CINAHL, PsycINFO and Web of Science and EMBASE) up to 29th April 2024, resulting in 897 articles, of which 11 met the inclusion criteria. Data were extracted from reviews and synthesised using qualitative meta-aggregation techniques. The socio-ecological framework was applied to synthesise the main outcomes. A protocol for this review was registered on PROSPERO (CRD42024532686). Results The main barriers for research participation included: mistrust of healthcare professionals, research and researchers; socioeconomic and logistical challenges; language and cultural barriers; lack of awareness; external influences and perceived bias. Facilitators to support better research participation included: Community engagement and personalised approaches; culturally sensitive research strategies; linguistically appropriate study materials and study advertising; education workshops. Conclusions To enable wider participation, it is important to understand not only the barriers but also to employ culturally appropriate facilitators, engaging with patient and public involvement (PPI) groups that communities trust, offer cultural training for researchers, and adopt a more collaborative and transparent way of working. This overview highlights the work that needs to be done on an intrapersonal, interpersonal, community and policy level to make research accessible and inclusive for ethnic minority groups.

Diabetes mellitus is a major worldwide health concern. Diabetes has been associated with a number of adverse mental health conditions including depression, anxiety, and loneliness that can negatively impact diabetes outcomes. This study aimed to investigate factors associated with depression, anxiety, and loneliness in people, in the community, suffering with diabetes in Bangladesh. A cross-sectional study was conducted with 600 people with type-2 diabetes (54.83% females; mean age: 52.70 ± 11.56 years) between July and September 2022. Purposive sampling method was used to recruit the participants. A validated semi-structured questionnaire was used to collect demographic and other data. Depression, anxiety, and loneliness were measured using the PHQ-9, GAD-7, and UCLA Loneliness scale, respectively. Bivariate and multivariable linear regression analyses were conducted to ascertain factors that were significantly associated with these mental health conditions. The prevalence of depression, anxiety, and loneliness was 31.17%, 21.83%, and 28.00%, respectively. A lack of formal education, and not taking part in physical activities were significantly associated with all three mental health states. Duration of diabetes and being on medication for high cholesterol were also associated with depression and anxiety. Older age and being widowed were significantly associated with loneliness. This study found that depression, anxiety, and loneliness are prevalent among Bangladeshi people with diabetes, with certain sociodemographic and diabetes-related factors associated with increased risk. The findings emphasize the need for targeted interventions to people within the communities, at grassroot levels in order to improve reduce health inequality, and improve the mental health of people living with diabetes.

Although vision is important for calibrating auditory spatial perception, it only provides information about frontal sound sources. Previous studies of blind and sighted people support the idea that azimuthal spatial bisection in frontal space requires visual calibration, while detection of a change in azimuth (minimum audible angle, MAA) does not. The influence of vision on the ability to map frontal, lateral and back space has not been investigated. Performance in spatial bisection and MAA tasks was assessed for normally sighted blindfolded subjects using bursts of white noise presented frontally, laterally, or from the back relative to the subjects. Thresholds for both tasks were similar in frontal space, lower for the MAA task than for the bisection task in back space, and higher for the MAA task in lateral space. Two interpretations of the results are discussed, one in terms of visual calibration and the use of internal representations of source location and the other based on comparison of the magnitude or direction of change of the available binaural cues. That bisection thresholds were increased in back space relative to front space, where visual calibration information is unavailable, suggests that an internal representation of source location was used for the bisection task.

Background Diabetic retinopathy is a complication of diabetes affecting the eyes and can lead to blindless if left untreated. Several significant risk factors have been reported for DR, of which several can be classified as some form of disease. Furthermore, several systematic reviews have reported associations between several types of mortality and DR. Numerous meta-analyses have pooled the data on these factors, however, a systematic evaluation of these meta-analytic relationships is lacking. In this study, therefore, we performed an umbrella review of systematic reviews of meta-analyses for mortality, diseases and DR, grading the credibility of evidence. Methods A comprehensive database search for observational meta-analyses was conducted from inception until 29/04/2022 against pre-published inclusion criteria. For each meta-analytic outcome, a random-effects meta-analysis was re-conducted, stratifying by study design (and type of DR where possible) of included studies. Several statistical variables, including publication bias, heterogeneity, excess significance bias, and prediction intervals were used to grade the credibility of significant evidence from I to IV, using the recommendations from the Grading of Recommendations, Assessment, Development, and Evaluation (GRADE) criteria. Results Of the 1,834 initial results, 11 systematic reviews with meta-analyses were included covering 16 independent outcomes (total participants = 299,655; median participants per outcome: 7,266; median individual studies per outcome = 5). Overall, 10/16 outcomes (62.5%) yielded significant results, most of which were graded as ‘highly suggestive’ (Grade II) evidence. DR was associated with all-cause and cardio-vascular mortality, obstructive sleep apnoea, depression eating disorders, and several forms of cognitive impairment. Conclusions Results show highly suggestive evidence for associations between health outcomes and/or conditions and DR. Public health professionals and practitioners should note these findings when developing and/or reviewing public health polices.

Background/objectiveTo examine factors influencing health-seeking behaviours and self-care practices of diabetes, including the uptake and use of diabetic services among community-dwelling black African-Caribbean people living in the UK.DesignCross-sectional/qualitative.SettingCommunity (Southwestern England).ParticipantsNineteen individuals of African-Caribbean heritage, over the age of 50 years, diagnosed with type 2 diabetes.MethodsThree focus group discussions (FGDs), each of which lasted for approximately 90 min, were held. These interviews were facilitated by a community-based health champion and a researcher of African-Caribbean heritage. Audio recordings were transcribed verbatim, coded in NVivo software, and analysed using an inductive thematic approach.Primary outcome measuresFGD data.ResultsA total of nine culturally specific and non-specific (generic) themes were identified. Culturally specific themes included the normalisation of diabetes at the community level, which was more pronounced among men than women. Participants were found to be inclined to either substitute or complement diabetes medications with cultural herbal remedies. There was a lack of trust in medical centric advice received from healthcare practitioners. Participants also expressed that healthcare practitioners do not always listen to or understand their needs and reported that there was a lack of culturally appropriate diabetes education and training programmes for their community members. Generic themes included difficulties and frustrations in getting doctor’s appointments, self-indiscipline and poor motivation for engaging in physical exercise and healthy eating.ConclusionSeveral cultural/community-related factors influence health-seeking behaviours and self-care practices of diabetes in African-Caribbean people living in the UK, often affecting men and women differently, alongside more general individual and healthcare system-related barriers. Addressing these factors is imperative in designing a culturally and demographically tailored diabetes education programme for these people.

Post-COVID syndrome can be defined as symptoms of COVID-19 that persist for longer than 12 weeks, with several studies reporting persistent symptoms relating to the sensory organs (eyes, ears, and nose). The aim of this systematic review was to examine the prevalence of persistent anosmia, hyposmia, ageusia, and hypogeusia, as well as eye/vision and ear/hearing related long-COVID symptoms. Authors searched the electronic databases from inception to November 2021. Search terms included words related to long-COVID, smell, taste, eyes/vision, and ears/hearing, with all observational study designs being included. A random effects meta-analysis was undertaken, calculating the prevalence proportions of anosmia, hyposmia, ageusia, and hypogeusia, respectively. From the initial pool, 21 studies met the inclusion criteria (total n 4,707; median n per study 125; median age = 49.8; median percentage female = 59.2%) and 14 were included in the meta-analysis The prevalence of anosmia was 12.2% (95% CI 7.7–16.6%), hyposmia 29.9% (95% CI 19.9–40%), ageusia 11.7% (95% CI 6.1–17.3%), and hypogeusia 31.2% (95% 16.4–46.1%). Several eye/vision and ear/hearing symptoms were also reported. Considering that changes in the sensory organs are associated with decreases in quality of life, future research should examine the etiology behind the persistent symptoms.

Background Self-report in people with age-related macular degeneration (AMD) shows that they lead less active lifestyles. Physical activity is important as it has been shown to improve quality of life, reduce co-morbidity and also slow down the progression of AMD. Self-reported measures of physical activity are prone to subjective biases and therefore less accurate in quantifying physical activity. This study compared self-reported and objective (accelerometer-based) physical activity levels and patterns in older adults with AMD. Methods Data were collected in 11 AMD subjects with binocular vision loss (aged 76 ± 7 years), 10 AMD subjects with good binocular vision (aged 76 ± 7 years), and 11 controls (aged 70 ± 4 years). Binocular vision was established using visual acuity score. Contrast sensitivity and visual fields were also measured. Self-reported sedentary behaviour and moderate-to-vigorous physical activity (MVPA) was assessed using the Global Physical Activity Questionnaire. Objective measurements were obtained with an Actigraph GT3X accelerometer being worn for seven consecutive days on the hip. The objective physical activity measures were sedentary behaviour, light physical activity, MVPA, and step count. Results Objectively measured MVPA was 33–34% higher for controls compared to both AMD groups ( p  < 0.05). There were no group differences for any of the other objectively measured physical activity variables and self-reported physical activity variables were also not significantly different (all p  > 0.05). Comparing the objective with the self-report physical activity measure showed that all groups under-reported their sedentary behaviour and MVPA, but controls under-reported their MVPA more than both AMD groups ( p  < 0.05). Weak to moderate correlations were observed between the severity of vision loss and objective physical activity measures (all − 0.413 ≥ r ≤ 0.443), while correlations for self-reported physical activity measures were less strong (all − 0.303 ≥ r ≤ 0.114). Conclusions People with AMD, irrespective of whether they were vision impaired, were better able to estimate the time spent in MVPA compared to controls. However, objectively measured MVPA, was higher in controls than AMD subjects. Although clinicians may use self-report to monitor the compliance of AMD subjects with any prescribed exercise programs, they should be aware that a valid comparison with healthy controls can only be made when MVPA is objectively measured.