gonioscope /go·nio·scope/ (go´ne-ah-skōp″) an optical instrument for examining the anterior chamber of the eye and for demonstrating ocular motility and rotation.
Gonioscope
gonioscope
go·ni·o·scope (g  n - -skp )n. An ophthalmoscope used to examine the angle of the anterior chamber of the eye. |
Gonioscope
An instrument used to inspect the eye (e.g., the anterior chamber). It consists of a magnifier and a lens equipped with mirrors; it's placed on the patient's cornea.
Mentioned in: Eye Examination, Glaucoma
gonioscope
[gō′nē·əskōp′]
Etymology: Gk, gonia + skopein, to look
a mirrored optical instrument used to examine the filtration angle of the anterior chamber of the eye. The mirrors permit visualization of the angle by means of a reflected image.
gonioscope
an optical instrument for examining the angle of the anterior chamber of the eye and for demonstrating ocular motility and rotation.
gonioscope
Instrument used to observe the angle of the anterior chamber of the eye, usually consisting of a biomicroscope in conjunction with a prismatic contact lens (e.g. Allen-Thorpe gonioprism) or a contact lens and mirror (e.g. Goldmann lens). It facilitates the diagnosis of angle-closure and open-angle glaucoma, as well as the diagnosis of secondary glaucoma (Fig. G5). See gonioscopic lens; Koeppe lens.
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Fig. G5 Optical principle of the Goldmann gonioscopic lens (M, mirror)
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