Effect of television watching on vision of school children in semi urban area of Kashmir

Background: Schoolchildren form an important target group as any ocular morbidity in this age group has huge physical, psychological and socio-economical implications. Considering the fact that one-third of India's blind lose their eyesight before the age of 20 years and many of them are under five years when they become blind, early detection and treatment of ocular morbidity among children is important. This study aims to highlight the prevalence of ocular morbidity in governmental schools in a sub-urbanized area of India. Research question of current study was to study the Effect of TV watching on vision in school children.Methods: Study area: Government schools in a sub-urbanized area of India. Sample size: 1128 school children from class 5th to 12th. Study design: A cross-sectional study was conducted and the study population comprised of school children who were examined in their schools and afterwards referred to the hospital if required. Data was gathered using a questionnaire, snellens charts and retinoscopes. Statistical analysis: simple proportion. Data was analysed statistically using SPSS software, version 14.Results: 1128 children were examined. Percentage of male children was 42.73% and females were 57.18%. Ocular abnormality was detected in 21.3% children with refractive errors contributing 18.26%, conjunctivitis-1.95%, blepheritis-0.62%, dacrocystitis-0.17%, stye-0.35%, color blindness-0%. It was also observed that children watching TV for less than 1 hour had  visual acuity of 6/6 in 42.4%, whereas children watching TV for 1-2 hours, 2-3 hours and >3 hours had lower  visual acuity.Conclusion: It was concluded that moderate to high prevalence of ocular morbidity among high school children is present in block Hazratbal. Finally, the aim of all blindness control programs should be to propagate awareness in the masses of eye care and to teach the essentials of ocular hygiene and eye healthcare.

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An Investigation of Household Reproductive Behaviour in Pakistan

Our present concern is with fertility determinants on Pakistan. Based on the household data co11cted in connection with PIDE/ILO project "Studies in Population, Labour Ircrce and Migration in Pakistan" an attempt is made to ascertain the influence of various socio-economic variables on household fertility decision making. The analysis which follows is preliminary in nature and can be characterised as taking a general socio-economic approach. Various fertility measures available from the survey are described in this paper followed by a discussion on the choice and specification of independent variables in the next section. Regression results are presented in the third section

Dietary habits and physical activity patterns in relation to nutritional status among school-aged children in Pakistan: A cross-sectional study

Background: Childhood malnutrition remains a significant public health problem impacting the physical and mental growth if school aged children, particularly in limited-resource countries. Objective: The study objective was to assess levels of physical activity, patterns of screen time (S.T.), the relationship between physical activity and screen time patterns, and how these factors affect growth status (adjusting for socioeconomic status). Methodology: A cross-sectional study included 3,834 children between 6–14 years attending pre-selected schools. Teachers, students, and parents were invited to fill out a standardized questionnaire, and Body Mass Index (BMI) was calculated using Center for disease control (CDC) centile charts. A Chi-square was performed to see the possible association between any height and weight abnormalities and all possible risk factors. Multivariate logistic regression was applied to see the effect of variables significantly associated with univariate analysis. Results: Approximately 2,447 (63.8%) children were between 11–14 years old and 1,387 (36.2%) were between 4–10 years old. The mean height was 143.71 ± 16.51 centimetres, the mean weight was 36.5 ± 12.9 kilogram, and the mean BMI was 17.16 ± 3.52. Multivariate logistic regression status and junk food combined affected stunting socioeconomic status was significantly associated with being underweight p = 0.001. Conclusion: Childhood obesity and stunting remain significant problems in Pakistani school-going children. These are significantly associated with poverty, a lack of physical activity opportunities, and available food quality

Implications of Oil Prices Shocks for the Major Emerging Economies: A Comparative Analysis of BRICS

This study analyses the implications of oil prices shocks for the BRICS economies. We employed a time-varying structural vector autoregressive (TV-SVA) framework in which the sources of time variation are the coefficients and variance-covariance matrix of the innovations. The quarter frequency data for the period of 1987QII – 2017QII is used for the empirical analysis. The key findings suggest that there are substantial differences and asymmetries in the response of these economies to oil shocks. These differences were profound between, and even within, oil exporters and importers. It shows that between major oil exporters i.e. Russia and Brazil the former’s economy is rather more intensively influenced by oil prices shocks. Between the two largest net oil importers i.e. India and China, comparatively, the Indian economy seems to be rather more vulnerable to oil prices shocks in terms of their adverse effects on GDP, inflation and balance of trade. The dependence of economies on oil and an increasing level of consumption continue to pose policy challenges for prices and economic stability. The analysis on South Africa also shows negative impacts of oil prices shocks, however, the effects are comparatively more time-variant than other BRICS members. While these asymmetries indicate significant differences in the structure of these economies they also indicate venues of cooperation and stronger trading relationships to overcome the adverse shocks and mutual development

Interface micromotion failure simulation of cementless hip prosthesis

The most commonly reported failure modes of cementless hip stems are loosening and thigh pain; both are attributed to the relative motion at the bone-implant interface due to failure to achieve sufficient primary fixation. Accurate predictions of hip stems’ stability are therefore crucial to the pre-clinical analyses of hip arthroplasty. This study uses finite element technique to analyse the effect of muscle forces on the predicted micromotion and therefore stability of cementless femoral components. An in-house experimentally validated micromotion algorithm was used in analyses simulating two of the most common physiological activities – walking and stair-climbing. The results showed that models where muscle loads were included had ten times larger micromotion than those modelled without muscle loads. Ignoring muscle forces in any pre-clinical evaluation of femoral stems are therefore not advisable as it will overestimate the stability of the stem

Identification of immune biomarkers in recent active pulmonary tuberculosis

Tuberculosis (TB) has remained an unsolved problem and a major public health issue, particularly in developing countries. Pakistan is one of the countries with the highest tuberculosis infection rates globally. However, methods or biomarkers to detect early signs of TB infection are limited. Here, we characterized the mRNA profiles of immune responses in unstimulated Peripheral blood mononuclear cells obtained from treatment naïve patients with early signs of active pulmonary tuberculosis without previous history of clinical TB. We identified a unique mRNA profile in active TB compared to uninfected controls, including cytokines such as IL-27, IL-15, IL-2RA, IL-24, and TGFβ, transcription factors such as STAT1 and NFATC1 and immune markers/receptors such as TLR4, IRF1, CD80, CD28, and PTGDR2 from an overall 84 different transcripts analyzed. Among 12 significant differentially expressed transcripts, we identified five gene signatures which included three upregulated IL-27, STAT1, TLR4 and two downregulated IL-24 and CD80 that best discriminate between active pulmonary TB and uninfected controls with AUC ranging from 0.9 to 1. Our data identified a molecular immune signature associated with the early stages of active pulmonary tuberculosis and it could be further investigated as a potential biomarker of pulmonary T