Slit lamp

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lamp

 [lamp]
an apparatus for furnishing heat or light.
Gullstrand's slit lamp an apparatus for projecting a narrow flat beam of intense light into the eye. See also slit lamp.
slit lamp one embodying a diaphragm containing a slitlike opening, by means of which a narrow, flat beam of intense light may be projected into the eye. It gives intense illumination so that microscopic study may be made of the conjunctiva, cornea, iris, lens, and vitreous, the special feature being that it illuminates a section through the substance of these structures.
Examiner using hand-held slit lamp. (Photography by Leslie MacKeen.) From Stein et al., 2000.
sun lamp (ultraviolet lamp) an electric light that transmits ultraviolet rays; used as a therapeutic device and as a means of obtaining an artificial suntan. See also ultraviolet therapy.

slit lamp

a combination of a microscope and a narrow beam of collimated light, used to examine the eye.

slit·lamp

, slit lamp (slit'lamp)
ophthalmology An instrument consisting of a microscope combined with a rectangular light source that can be narrowed into a slit for examination of the eye.
Synonym(s): biomicroscope, Gullstrand slitlamp.
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SLIT LAMP EXAMINATION
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SLIT LAMP EXAMINATION

slit lamp

A lamp so constructed that an intense light is emitted through a slit; used for examination of the eye. See: illustration
illustration
See also: lamp

Slit lamp

A microscope that projects a linear slit beam of light onto the eye; allows viewing of the conjunctiva, cornea, iris, aqueous humor, lens, and eyelid.
References in periodicals archive ?
Recently, the practice where I work, Hynes Optometrists, decided to upgrade its slit lamp by attaching a DSLR camera and a beam splitter.
However, the slow-motion video function is ideal for capturing incomplete blinks and to demonstrate tear film stability, which makes this digital slit lamp a vital instrument for the practice's dry eye clinic.
The digital slit lamp is also used to show patients a 'before and after' photo following BlephEx, lacrimal duct syringing and corneal abrasion.
This is ideal during a child slit lamp examination where the parents watch us do a walkthrough on what we are viewing.
Setting the slit lamp up for capturing images is relatively simple with the modem digital SLR camera.
The slit lamp comes with a permanent infrared filter for safety and the practitioner can switch between the following other filters: clear, neutral density, red free, diffuser and blue (with the yellow barrier slotting down as needed).
Cataracts are commonly discovered with an optometrist's tool called a slit lamp, which costs several thousand dollars.