Wireless Sensor Network (WSN) is powerful and economical key to monitoring and tracking problems. WSN is a perfect unification of sensing, computation and communications tasks. WSN nodes are deployed in both hostile and harsh environment. They lend valuable support for continuous, remote monitoring, and for healthcare applications. WSN nodes can be deployed easily in existing structures without any added infrastructure. In this work, an outline of wireless sensor networks, applications, challenges & issues involved in implementing them is presented.

Background: To study the socio-demographic and clinical profile of HIV/AIDS patients in HAART Era at a Government tertiary care centre. Methods: The present study was carried out on 300 HIV/ AIDS patients in Department of Ophthalmology in collaboration with ART centre at a govt. tertiary care centre, from the period of February 2015 to November 2015. Patients were studied for their different demographic parameters, clinical spectrum and ocular manifestations of the HIV/ AIDS disease. Results: Age range of study population was 4 years to 73 years, with 57.66% males and 42% females and 0.33% intersex. Majority of the patient's (82.67%) were in adult (15 to 49 years) age group. Heterosexual contact was the commonest (86.67%) mode of HIV transmission. Most common occupation group, among males was laborers while most of females were house wives accounting for 26.33% and 34% of the study group respectively. Majority of patients belonged to class IV (34.66%) and class III (34.33%) of socioeconomic status. Commonest associated systemic disease was tuberculosis, seen in 14% of patients. Out of total only 9.33% patients had CD4+Tcell count ≤100/mm3, 46.33% of patients were in WHO stage I of HIV/AIDS disease and 78.33% patients were on ART. Conclusions: Majority of patients belonged to low socioeconomic status and in young and productive age group with heterosexual contact being commonest mode of transmission. Majority of our patients were at relatively good immune status, and in early stage of the disease. This shows an impact of early case detection and timely institution of highly active antiretroviral therapy (HAART).

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Background With increasing healthcare demands for acute illness in patients especially in the times of pandemic, healthcare organizations require modern solutions. Hospital at home (HaH) is one such tool that has the potential to solve these problems without compromising the care of the patients. Main body Hospitals have been the conventional setting for managing acute sickness patients; however, it could be a very challenging environment for a few patients, especially for the older population who are highly susceptible to hospital-acquired infections. Health care in a hospital setting can also be very expensive, as it often involves a lot of healthcare professionals providing care. HaH service can provide the same quality of care expected in traditional settings. Conclusions The median length of stay and the rate of readmissions were lower in people under HaH care. Compared with patients in a hospital setting, patients in HaH had better clinical outcomes. HaH unit provides an integrated, flexible, easy-to-scale platform that can be cost-effectively adapted to high-demand situations.

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Objective: To compare change in refractive astigmatism and visual acuity following pterygium excision followed by sutureless and gluefree conjunctival autograft. Method: A prospective , non randomized , comparative and interventional case series .This study was carried out on 52 eyes of 50 patients with primary pterygium in one or both eyes .our surgical technique comprised of pterygium excision followed by sutureless and gluefree conjunctival autograft which had additional benefit of having lowest recurrence rate at present. Visual acuity and refractive astigmatism were assessed pre-operatively and post -operatively on 2 nd month follow up. Result: The mean age of the patient was 40.9 ±12.09 years .17 patients (32.69%) had grade III pterygium,12 patients each (23.07%) were of grade I and grade II and 21.15% were of grade IV. There was significant reduction in refractive astigmatism (mean±s.d) and improvement in visual acuity (mean±s.d) in all grades of pterygium post -operatively along with recurrence of merely in 1 patient i.e. 1.92 %. Conclusion:The present study concludes that pterygium excision reduces refractive astigmatism, improves visual acuity with additional benefit of lowest recurrence rate credited to sutureless and gluefree conjunctival autograft.

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