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Investigative modalities in infectious keratitis
Garg Prashant
Indian Journal of Ophthalmology , 2009,
Evaluation of medical college departments of ophthalmology in India
Garg Prashant
Indian Journal of Ophthalmology , 2009,
Alcohol epitheliectomy with mechanical debridement in a case of granular corneal dystrophy with r555w homozygous mutation of TGF B1 gene
Garg Prashant,Jabbar Aneeta
Indian Journal of Ophthalmology , 2010,
Abstract: An eight-year-old girl, an offspring of a consanguineous marriage presented with multiple anterior stromal geographic corneal opacities in both eyes. She was diagnosed to have superficial variant of granular dystrophy based on the family history, clinical features and mutation of TGF B1 gene. She was treated by alcohol-assisted removal of epithelium followed by mechanical debridement of abnormal deposits. Postoperatively, the cornea in both eyes was clear with no trace of opacity and the patient had an unaided visual acuity of 20/20 partial.
"String of Pearls" following Nd:YAG laser posterior capsulotomy
Chatterjee Samrat,Garg Prashant
Indian Journal of Ophthalmology , 2002,
Abstract: Posterior capsular re-opacification can occur following Nd-YAG capsulotomy. This necessitates multiple capsulotomies with its potential complications. We report one such case and discuss possible predisposing factors and preventive measures for this condition
Corneal grafting: what eye care workers need to know
David Yorston,Prashant Garg
Community Eye Health Journal , 2009,
Abstract: This article provides guidance to eye care workers who want to know who should be referred for a corneal graft and what complications they may need to manage after patients have had their operation.
Recurrent shield ulcer following penetrating keratoplasty for keratoconus associated with vernal keratoconjunctivitis.
Garg Prashant,Bansal Aashish,Sangwan Virender
Indian Journal of Ophthalmology , 2003,
Abstract: Though penetrating keratoplasty for keratoconus secondary to vernal keratoconjunctivitis (VKC) invariably carries a good prognosis, the postoperative course may be complicated by recurrent epitheliopathy. Despite good medical control of VKC shield ulcer is still a possibility.
Newer investigations and management guidelines in uveitis
Sinha Rajesh,Naithani Prashant,Garg Satpal
Indian Journal of Ophthalmology , 2010,
Ophthalmic antiviral chemotherapy : An overview
Athmanathan Sreedharan,Garg Prashant,Rao Gullapalli
Indian Journal of Ophthalmology , 1997,
Abstract: Antiviral drug development has been slow due to many factors. One such factor is the difficulty to block the viral replication in the cell without adversely affecting the host cell metabolic activity. Most of the antiviral compounds are analogs of purines and pyramidines. Currently available antiviral drugs mainly inhibit viral nucleic acid synthesis, hence act only on actively replicating viruses. This article presents an overview of some of the commonly used antiviral agents in clinical ophthalmology.
Histopathological evaluation of ocular microsporidiosis by different stains
Joveeta Joseph, Geeta K Vemuganti, Prashant Garg, Savitri Sharma
BMC Clinical Pathology , 2006, DOI: 10.1186/1472-6890-6-6
Abstract: Four cases diagnosed with microsporidiosis on Hematoxylin and Eosin and Periodic Acid Schiff's stained sections of the corneal button between January 2002 and December 2004, were included. Further sections were prospectively stained with calcofluor white, Gram, Giemsa, Masson's trichrome, acridine orange, Gomori's methenamine silver, Gram's chromotrope and modified acid fast stain. The stained sections were analyzed for the spore characteristics in terms of size, shape, color contrast, cell wall morphology, waist band in cytoplasm and ease of detection.All sections showed microsporidial spores as 3 – 5 μm, oval bodies. 1% acid fast, Gram's chromotrope and GMS stains provided a reliable diagnosis of microsporidia as diagnostic waist band could be identified and good contrast helped distinguish the spores from inflammatory debris.Considering the ease of performance, cost effectiveness and rapidity of the technique, 1% acid fast stain and Gram's chromotrope stain are ideal for the detection of microsporidia.Microsporidia is a nontaxonomic designation used to refer to a group of obligate intracellular protists belonging to the phylum Microspora [1]. In humans, microsporidia are opportunistic pathogens that cause gastrointestinal, sinus, pulmonary, muscular, renal and ocular diseases. Microsporidia is an important cause of morbidity, and occasionally, mortality in patients with AIDS [2]. Two distinct clinical entities of this disease in the eye have been described: deep corneal stromal infection and superficial keratoconjunctivitis [2]. In most of cases diagnosis of microspoirdiosis could be made by examination of biopsy and autopsy specimens. Examples include cornea, conjunctiva, skeletal muscle, small and large intestine, liver, gallbladder, bile duct, pancreatic duct, omentum, kidney, ureter, bladder, prostate, and trachea or bronchi [2]. It is important for pathologists and microbiologists to be knowledgeable regarding the identification of these agents in biopsy, au
Amelioration of rectangular microstrip patch antenna characterstics by incorporating it with double-Negative left-handed inspired metamaterial in L-band
Bimal Garg,Vijay Sharma,Nitin Agrawal,Prashant Dubey
Advanced Computational Techniques in Electromagnetics , 2013, DOI: 10.5899/2013/acte-00127
Abstract: With the numerous increases in the use of microwave frequencies in communication applications, certain antenna potential characteristics should be an integral part of the design process. For example, GPS, WLAN are all applications that share common potential characteristics requirement in their antenna. A FRAMED SQUARE RINGS double negative inspired metamaterial structure was introduced as a cover to the rectangular microstrip patch antenna at a height of 3.2 mm from the ground plane, operating at 1.95 GHz. The results showed that the proposed metamaterial cover, effectively improves the patch antenna s gain and bandwidth. The complex permittivity and permeability of the proposed structure has been extracted by Nicolson-Ross-Weir (NRW) approach. The outcomes of this work open the possibility to use the proposed structure as a miniaturized and flexible antenna in L-Band for wireless communication applications.
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