gonioscope

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Related to gonioscopy: gonioscopy lens

gonioscope

[′gō·nē·ə‚skōp]
(medicine)
A special optical instrument for studying in detail the angle of the anterior chamber of the eye.
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Plateau iris is when the iris has a 's' shape closing the drainage angle as the pupil dilates; this is different to the normal narrow angle and appears as a rolling iris on gonioscopy.
Iridotomy is successful at opening the angle when a component of pupillary block is present, but periodic gonioscopy remains indicated, as the angle can narrow further as it was the case of our patient [3].
At gonioscopy or histological examination, it is almost always possible to find iris tissue remains and it is considered that iris hypoplasia ranges from almost complete to mild.
Additionally, in the patients with PEX, gonioscopy and standard automated perimetry (SAP) were performed with a Humphrey field analyzer HFA II (Carl Zeiss Meditec Inc.
Gonioscopy, a clinical method of viewing the angle of the anterior chamber of the eye, is essential for this diagnosis.
When the patient does see an ophthalmologist, the evaluation will include assessment of visual acuity, pupillary evaluation, measurement of intraocular pressure, slit lamp examination, gonioscopy to measure the angle of the anterior chamber, and a fundus exam without pupil dilation.
On every visit visual acuity and intraocular pressure were measured along with Slit-lamp, gonioscopy and fundus examination with 78D to assess macular edema, or presence of neovascularization elsewhere, neovascularization on the disc or anterior segment neovascularization.
The remainder deals with physical examination skills, covering basic optics, subjective refraction, objective refraction, near refraction, motilities and alignment, slit lam biomicroscopy, gonioscopy, tonometry, and ophthalmoscopy.
Gonioscopy, a procedure in which the doctor examines the angle of the front portion of the eye with a slit lamp and a special lens called a gonioscope lens.
An Icare[R] rebound tonometer (TA01, TIOLAT Oy, Finland) was used to measure intraocular pressure (IOP); compound tropicamide eye drops (SANTEN OY, Tampere, Finland) were applied to dilate the pupil; a direct ophthalmoscope was used to observe the vertical cup-to-disc ratio (C/D) and the posterior pole of both eyes; for the glaucoma suspect patients, especially the infant patients, a fundus photograph would be obtained by Retcam (Clarity Medical Systems, Pleasanton, CA, USA) for C/D observation, a flashlight was used to examine the cornea, a Type A ultrasound test was used to evaluate the axial length of the eye, and gonioscopy would be applied to glaucoma suspect patients.