confocal

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con·fo·cal mi·cro·scope

a microscope that allows the observer to visualize objects in a single plane of focus, thereby creating a sharper image (usually the objects are fluorescent molecules); a refinement of this microscope uses optic sectioning and a computer to record serial sections. This permits three-dimensional reconstruction.

confocal 

Having the same focus. Example: in a slit-lamp, the microscope and the illumination system have the same focus, i.e. they are confocal. See confocal microscope; confocal scanning laser ophthalmoscope.
References in periodicals archive ?
The depositions have been carried out in a magnetron sputtering system having arrangements for mounting three two-inch targets confocally. All three magnetron guns can be tilted [+ or -]15[degrees].
"The entire Zeiss uHTS product line is a natural complement to our own EVOscreen system and to our Clarina II and Opera readers that are used to confocally measure biochemical and cellular assays, respectively," said Evotec Technologies GmbH CEO Dr.
On the other hand, slower voltage-sensitive dye signals have been measured confocally (Loew, 1993).