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Glaucoma is a group of diseases affecting the optic nerve that results in vision loss and is frequently characterized by raised intraocular pressure (IOP). There are many glaucoma surgeries, and variations or combinations of those surgeries, that facilitate the escape of excess aqueous humor from the eye to lower intraocular pressure, and a few that lower IOP by decreasing the production of ...
Laser trabeculoplasty works by increasing outflow. [citation needed] Laser treatment may be more effective than medications for decreasing the speed of loss of the visual field in people who have open-angle glaucoma. [16] Evidence suggests that laser treatment may have the same degree of effectiveness at decreasing intraocular pressure. [16]
Trabeculoplasty is a laser treatment for glaucoma. It is done on an argon laser equipped slit lamp, using a Goldmann gonioscope lens mirror. Specifically, an argon laser is used to improve drainage through the eye's trabecular meshwork, from which the aqueous humour drains. This helps reduce intraocular pressure caused by open-angle glaucoma. [1]
Diode laser with a wavelength of 810 nm is used to perform trans-scleral cyclophotocoagulation. [2] In TS-CPC, the laser absorbed by melanin of ciliary processes causes photocoagulation . [ 6 ] Since it is a painful procedure, TS-CPC is usually performed under retrobulbar or peribulbar anesthesia . [ 2 ]
The study found that Black adults were about twice as likely to be affected by glaucoma as white adults. Glaucoma prevalence was 1.62% among individuals aged 18 and older and 2.56% among those aged 40 and older, while vision-affecting glaucoma occurred in 0.57% and 0.91% of these age groups, respectively. [20]
In acute angle-closure glaucoma cases, surgical iridectomy has been superseded by Nd:YAG laser iridotomy, because the laser procedure is much safer. Opening the globe for a surgical iridectomy in a patient with high intraocular pressure greatly increases the risk of suprachoroidal hemorrhage , with potential for associated expulsive hemorrhage .
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