Harsh Kumar

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A case is reported of a 9-year old male who presented with abnormal behaviour and progressive diminution of vision. Pupils were middilated in both eyes but the pupillary reflexes were preserved. Fundus examination revealed a bilateral optic atrophy and radiological investigations showed a bilateral occipital calcification. We hereby document a case of(More)
As mobile devices evolve, end users have ever increasing demand for ubiquitous network access. WiFi, being now commonplace, has the potential to fulfill this demand. Apart from WiFi hotspots deployed by ISPs, home users start showing interest in sharing bandwidth with others (e.g. Fon bases its business model on users sharing open access points.) However,(More)
PURPOSE To analyze whether preinstillation of lignocaine potentiates mydriasis by tropicamide in dark eyes and to determine possible mechanisms for this effect. METHODS This investigation was conducted in two phases, the first being a double-masked, placebo-controlled, randomized clinical trial, enrolling 60 healthy dark brown eyes in 30 subjects aged 7(More)
BACKGROUND Prostate cancer is the most common cancer in men in many Western countries and is the second-leading cause of cancer in men. More than 30% of men over the age of 50 will develop a malignant change in the prostate. Common sites of metastasis include bone and regional lymph nodes. CASE REPORT This is a case report of prostate cancer in an elderly(More)
A prospective study was carried out on 27 patients with optic neuritis. Besides detailed clinical examination, visual evoked responses (VER) were studied utilising the checker board pattern reversal and flash stimuli. The recording with the 30 minute check size was found to be the most consistent both for the controls and the patients. Flash evoked VER was(More)
AIM The aim of this article is to present the usefulness of the nasolabial flap (NL flap) along with a detailed review of the factors that lead to its selection for the reconstruction of post-ablative oral floor defects. MATERIALS AND METHODS The records of patients who underwent the procedure between June 2009 and June 2011 were retrospectively analyzed.(More)
Millimeter wave technology being an emerging area is still very undeveloped. A substantial research needs to be done in this area as its applications are numerous. In the present endeavor, a rectangular patch antenna is designed on thick substrate and simulated using SONNET software, also a novel analysis technique is developed for circular patch antenna(More)