See Also: orthoscopic observation(medicine)
Orthoscopic(medicine)
orthoscopic(dictionary)
orthoscopic spectacles(medicine)
orthoscopic lens(medicine)
observation(dictionary)
Observation(medicine)
observation(dictionary)
conoscopic observation(medicine)
observation post(dictionary)

spotting (oh) and orthoscopic observation (medicine)


spotting (oh)



bird-spotting/train-spotting etc
BrE the activity of watching birds, trains etc for pleasure

orthoscopic observation (medicine)


orthoscopic observation
<microscopy> The normal way of viewing an object microscopically (cf., conoscopic observation). With Kohler illumination the field diaphragm and the ocular front focal plane as well as the specimen will be in simultaneous focus.