Results 21 to 30 of about 110,488 (273)

Speckle noise reduction techniques for high-dynamic range imaging [PDF]

open access: yes, 2007
High-dynamic range imaging from space in the visible, aiming in particular at the detection of terrestrial exoplanets, necessitates not only the use of a coronagraph, but also of adaptive optics to correct optical defects in real time.
Belikov   +23 more
core   +3 more sources

Tectonic corneal graft for conjunctival rhinosporidiosis with scleral melt

open access: yesIndian Journal of Ophthalmology, 2011
A 16 year old girl presented with irritation and watering of the right eye for 3 months. On examination, the superior perilimbal sclera was ectatic with incarcerated uveal tissue covered by conjunctiva.
Pushpa Jacob   +3 more
doaj   +1 more source

Objective structured clinical examination for undergraduates: Is it a feasible approach to standardized assessment in India?

open access: yesIndian Journal of Ophthalmology, 2011
Background: There has been a growing concern among medical educators about the quality of medical graduates trained in various medical colleges in our country.
Kavita R Bhatnagar   +2 more
doaj   +1 more source

Local ensemble transform Kalman filter, a fast non-stationary control law for adaptive optics on ELTs: theoretical aspects and first simulation results [PDF]

open access: yes, 2014
We propose a new algorithm for an adaptive optics system control law, based on the Linear Quadratic Gaussian approach and a Kalman Filter adaptation with localizations.
Bertino, Laurent   +6 more
core   +5 more sources

Mucous membrane grafting for the post-Steven-Johnson syndrome symblepharon: A case report

open access: yesIndian Journal of Ophthalmology, 2011
An 18-year-old woman was referred with late sequelae of chloroquine-induced Steven-Johnson syndrome. At the time of presentation, the symblepharon was involving the upper lids to almost the whole of the cornea, and part of the lower bulbar conjunctiva ...
Jayanta Kumar Das   +3 more
doaj   +1 more source

Preserved scleral patch graft for unexpected extreme scleral thinning found at the scleral buckling procedure: A case report

open access: yesIndian Journal of Ophthalmology, 2011
Pre-existing scleral pathology is an important risk factor for globe rupture during scleral buckling procedures. We report here, the surgical management of an unexpected scleral pathology found at the scleral buckling procedure in a retinal detachment ...
Spela Stunf   +2 more
doaj   +1 more source

Extrusion of hydrogel exoplant into upper eyelid 16 years after a scleral buckle procedure

open access: yesIndian Journal of Ophthalmology, 2011
Sixteen years after scleral buckle surgery with a hydrogel episcleral exoplant, a 43-year-old woman presented with progressive binocular diplopia, ptosis, and an expanding mass in her upper eyelid.
Chirag P Shah   +2 more
doaj   +1 more source

Intravitreal bevacizumab (avastin) for circumscribed choroidal hemangioma

open access: yesIndian Journal of Ophthalmology, 2011
Circumscribed choroidal hemangiomas are rare ophthalmic entities that cause diminution in vision due to accumulation of subretinal and/or intraretinal fluid in the macular area.
Subrata Mandal   +3 more
doaj   +1 more source

Action research in physical education: focusing beyond myself through cooperative learning [PDF]

open access: yes, 2012
This paper reports on the pedagogical changes that I experienced as a teacher engaged in an action research project in which I designed and implemented an indirect, developmentally appropriate and child‐centred approach to my teaching.
Almond L.   +35 more
core   +2 more sources

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