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In ophthalmology, gonioscopy is a routine procedure that measures the angle between the iris and the cornea (the iridocorneal angle), using a goniolens (also known as a gonioscope) together with a slit lamp or operating microscope. [1] [2] Its use is important in diagnosing and monitoring various eye conditions associated with glaucoma.
Iris Gonioscopy of the anterior chamber angle. Schwalbe's line is the anatomical line found on the interior surface of the eye's cornea, and delineates the outer limit of the corneal endothelium layer. Specifically, it represents the termination of Descemet's membrane. [1] In many cases it can be seen via gonioscopy. [2]
Iris Gonioscopy of the anterior chamber angle Anterior chamber angle cross-section imaged by an SD-OCT. The trabecular meshwork is an area of tissue in the eye located around the base of the cornea , near the ciliary body , and is responsible for draining the aqueous humor from the eye via the anterior chamber (the chamber on the front of the ...
The anterior chamber angle is a part of the eye located between the cornea and iris which contains the trabecular meshwork. The size of this angle is an important determinant of the rate aqueous humour flows out of the eye, and thus, the intraocular pressure. The anterior chamber angle is the structure which determines the anterior chamber depth.
It should not however, be used as a replacement for the gonioscopy examination but rather be used as a means of refuting or confirming the results of a gonioscopy examination. [ 3 ] The Van Herick's technique has become the most commonly used qualitative method of assessing the size of the anterior chamber angle (ACA).
Hypermetropic patients with short axial length are at higher risk of developing primary angle closure glaucoma, so routine gonioscopy and glaucoma evaluation is recommended for all hypermetropic adults. [12]
One peculiar feature of the anterior chamber is dampened immune response to allogenic grafts. This is called anterior chamber associated immune deviation (ACAID), a term introduced in 1981 by Streilein et al. [3] [4] This phenomenon is relevant to the fact that the eye is considered an "immune privileged site", like the brain and the testis.
eye examination, gonioscopy: Treatment: Medication, surgery: Ghost cell glaucoma (GCG) ... The angle of anterior chamber is seen open with gonioscopy. [2] Complications