Wide-Field System for Posterior Segment Microsurgery � An Advantage?

2015 ◽  
pp. 97-101
Author(s):  
R. Winter ◽  
J. Draeger
Keyword(s):  
Posterior Segment ◽  
Wide Field ◽  
Field System

scholarly journals Retinal Vasculitis in a Patient with Ankylosing Spondylitis: A rare Association

2018 ◽  
Vol 10 (1) ◽  
pp. 86-89
Author(s):  
Anindya Kishore Majumder ◽  
Rupak Roy ◽  
Ranju Kharel Sitaula ◽  
Kowsigan Magesan ◽  
Parthopratim Dutta Majumder
Keyword(s):  
Ankylosing Spondylitis ◽  
Cataract Surgery ◽  
Anterior Segment ◽  
Retinal Vasculitis ◽  
Posterior Segment ◽  
Oral Steroid ◽  
Vascular Involvement ◽  
Wide Field ◽  
Fundus Fluorescein Angiography ◽  
Rare Association

Purpose: To report a case of retinal vasculitis in a patient with ankylosing spondylitis.Background: Posterior segment involvement in HLA B-27-associated uveitis is uncommon but we report a case wherein retinal vasculitis was associated with HLA-B 27 uveitis.Case: A 36-year-old male, a diagnosed case of ankylosing spondylitis, presented to us with severe anterior segment inflammation associated vitritis in both the eyes. He received topical, oral steroid and immunosuppressive and 3½-month after the control of his uveitis, he underwent cataract surgery in his left eye. Fundus evaluation following cataract surgery revealed sclerosed retinal vessels and wide-field fundus fluorescein angiography confirmed retinal vascular involvement in both the eyes.Conclusion: Retinal vasculitis, though rare can occur in patients with ankylosing spondylitis especially in conditions which present with panuveitis-like picture.

STM studies of crystal growth

1991 ◽  
Vol 49 ◽  
pp. 374-375
Author(s):  
M. G. Lagally
Keyword(s):  
Crystal Growth ◽  
Molecular Beam ◽  
Chemical Vapor ◽  
Sputter Deposition ◽  
Field Of View ◽  
Scanning Tunneling ◽  
Wide Field ◽  
Tunneling Microscopy ◽  
Wide Field Of View ◽  
The One

It has been recognized since the earliest days of crystal growth that kinetic processes of all Kinds control the nature of the growth. As the technology of crystal growth has become ever more refined, with the advent of such atomistic processes as molecular beam epitaxy, chemical vapor deposition, sputter deposition, and plasma enhanced techniques for the creation of “crystals” as little as one or a few atomic layers thick, multilayer structures, and novel materials combinations, the need to understand the mechanisms controlling the growth process is becoming more critical. Unfortunately, available techniques have not lent themselves well to obtaining a truly microscopic picture of such processes. Because of its atomic resolution on the one hand, and the achievable wide field of view on the other (of the order of micrometers) scanning tunneling microscopy (STM) gives us this opportunity. In this talk, we briefly review the types of growth kinetics measurements that can be made using STM. The use of STM for studies of kinetics is one of the more recent applications of what is itself still a very young field.

Archaeological Investigations at Mavis Grind, Shetland

1983 ◽  
Vol 10 (1) ◽  
pp. 13-39 ◽  
Author(s):  
Stephen Cracknell ◽  
Beverley Smith
Keyword(s):  
Iron Age ◽  
Early Iron Age ◽  
Second Phase ◽  
Field System ◽  
M 10 ◽  
Settlement Site

Summary The excavations revealed a stone house and showed that it was oval, 13 m × 10 m, with an interior about 7 m in diameter. In the first occupation phase the entrance was on the SE side. During the second phase this entrance was replaced with one to the NE and the interior was partitioned. The roof was supported on wooden posts. After the building was abandoned it was covered with peat-ash which was subsequently ploughed. There were numerous finds of steatite-tempered pottery and stone implements, which dated the site to late Bronze/early Iron Age. The second settlement, Site B, lay by the shore of the voe and consisted of two possible stone-built houses and a field system. Two trenches were dug across the structures and the results are reported in Appendix I. Although damaged in recent years it was in no further danger.

Wide-field subsecond temporal resolution optical monitoring systems for detection and study of cosmic hazards

2013 ◽  
Vol 183 (8) ◽  
pp. 888-894
Author(s):  
G.M. Beskin ◽  
S.V. Karpov ◽  
V.L. Plokhotnichenko ◽  
S.F. Bondar ◽  
A.V. Perkov ◽  
...  
Keyword(s):  
Temporal Resolution ◽  
Monitoring Systems ◽  
Wide Field ◽  
Optical Monitoring

Discovery of the fast optical variability of GRB 080319B and the prospects for wide-field optical monitoring with high time resolution

2010 ◽  
Vol 180 (4) ◽  
pp. 424 ◽  
Author(s):  
G.M. Beskin ◽  
S.V. Karpov ◽  
S.F. Bondar ◽  
V.L. Plokhotnichenko ◽  
A. Guarnieri ◽  
...  
Keyword(s):  
Time Resolution ◽  
High Time ◽  
High Time Resolution ◽  
Optical Variability ◽  
Wide Field ◽  
Optical Monitoring

Population Change, Modernization and Welfare. By Joseph Spengler. Prentice-Hall Inc., Englewood Cliffs, N.J. 1974.

1977 ◽  
Vol 16 (2) ◽  
pp. 220-222
Author(s):  
Zeba A. Sathar
Keyword(s):  
Population Growth ◽  
Population Change ◽  
Population Control ◽  
Stable Condition ◽  
Developed Countries ◽  
Wide Field ◽  
Wide Scale ◽  
Socio Economic Variables ◽  
Almost All

The book covers a wide field, touching on almost all aspects of popula¬tion change on a world-wide scale. It discusses, using world and country data, the relationships between demographic and socio-economic variables, and elaborates on" their relative importance in the determination of population problems which confront the world as a whole and nations individually. Policies designed to alleviate these problems are discussed with an emphasis on those related to population control. The first chapter is entitled "Population Growth: Past and Prospective" and reviews the various parameters associated with population change in the past and in the future. It touches upon the concept of a stable population in order to show the elements which cause a population to change (i.e. remove it from its stable condition). The main elements of change, population growth, migration, mortality and natality are discussed individually. The chapter is concluded by a description of the main differences in these elements and other socio-economic conditions as they exist in the less-developed and developed countries.

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