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slit lamp


  • WordNet 3.6
    • n slit lamp (ophthalmology) a lamp that emits a narrow but intense beam of light that enables an ophthalmologist, using a microscope, to view the retina and optic nerve
    • ***


In literature:

Mrs Clowes's gaze, penetrating now and then the slit, could see the gleam of her lamp's ray on a horse's flank.
"The Matador of the Five Towns and Other Stories" by Arnold Bennett
Through the slits of the lowered blind shone the glow of the lamp which lighted the nearby canal.
"Woman Triumphant" by Vicente Blasco Ibañez
Turning out the lamp and half-smothering the fire, Jim Towers stole noiselessly to the back door and opened it to a narrow slit.
"When 'Bear Cat' Went Dry" by Charles Neville Buck

In news:

While performing your examination of the cornea and bulbar conjunctiva, keep patients in place in the slit lamp and ask them to look down, keeping both eyelids relaxed and open.
Contact lens practice pearls Slit Lamp Examination: Back to Basics BY THOMAS G QUINN, OD, MS, FAAO.

In science:

The targets were nodded 10 arcsec along the slit in an ABBA pattern, and calibrations were achieved using argon lamp observations (as with GNIRS), and F stars as telluric standards.
Fifteen new T dwarfs discovered in the UKIDSS Large Area Survey
At the pre-slit assembly several functions will be available; these include calibration light (ThAr and halogen lamps), slit viewing, focus monitoring, tiptilt correction and telescope pupil monitoring and correction.
The Stellar Observations Network Group - the Prototype
Figure 2: Left: Detail of the Hg arc lamp, taut-beam chopper and slit holder.
A Demonstration of Spectral and Spatial Interferometry at THz Frequencies
However, since the spectrograph slit may be illuminated slightly differently by the lamp and the QSO, we preferred to treat the resolution as a free parameter, rather than assuming that it is known perfectly.
A new, precise measurement of the primordial abundance of Deuterium
For each mask and long slit, exposures were taken with quartz continuum and He-Ar-Ne lamps.
Young Low-Mass Stars and Brown Dwarfs in IC 348
The instrumental profile of HIRES from both its optics and the slit width is known from careful measurements (Valenti et al. 1995) and from simple Gaussian fitting of emission lines from a thorium-argon lamp.
Optical SETI: A Spectroscopic Search for Laser Emission from Nearby Stars
The observing procedure consisted of (1) pointing the telescope to the coordinates of the standard star, (2) close the slit to 2′′ and then take an exposure with a HeAr lamp, (3) select a random field star for telescope guiding purposes, and (4) take an exposure of the standard star with a slit width of 21′′ .
An Atlas of Spectrophotometric Landolt Standard Stars
All images have been taken with the narrow slit, in the 0th order of the grating and a neutral density 10 on the CAU lamp to enable a longer integration time.
AMBER Task Force February 2008 run report
Wavelength calibration lamps (HeAr) were taken just before or just after each exposure. A map of the [OIII] narrow band image from Durret & Bergeron (1987), with the slit positions superimposed, is displayed in Fig. 1.
A kinematical analysis of NGC 2992