It is the colored diaphragm directly visible in the eye, centered by an orifice: the pupil. The intraocular circulation of aqueous humor (liquid which gives the eye its pressure), takes place through this orifice, then in the iridocorneal angle (space between the iris and the cornea). The blockage of the circulation of aqueous humor by the abnormal position of the iris, can lead to an increase in intraocular pressure with the risk of blindness.
1 / Iridotomy is the creation of an opening in the iris. It is intended to prevent the occurrence of acute glaucoma or its recurrence. It allows the passage of aqueous humor from the back to the front of the iris if there is a blockage in the pupil.
2 / Iridoplasty, by modifying the shape of the iris, allows the base of the iris to be slightly retracted, so as to facilitate the passage of aqueous humor towards the iridocorneal angle.
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