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Book Chapter
Series: Developments in Ophthalmology
Volume: 50
Published: 20 April 2012
10.1159/000334794
EISBN: 978-3-8055-9938-2
..., therefore, is not to equal the efficacy of trabeculectomy but to effectively lower intraocular pressure (IOP) and glaucoma medications while eliminating complications associated with external filtration. These are related to hypotony and choroidal effusion or hemorrhage, flat anterior chamber, cataract...
Book Chapter
Series: Developments in Ophthalmology
Volume: 59
Published: 28 April 2017
10.1159/000458492
EISBN: 978-3-318-06040-9
...-angle glaucoma. The therapeutic goal of new glaucoma surgical procedures should be to equal or surpass the efficacy of the gold standard, trabeculectomy with antifibrotics, or decrease intraocular pressure (IOP) to a lesser degree but with significantly fewer complications. Ab interno Schlemm's...
Book Chapter
Book: Glaucoma
Series: ESASO Course Series
Volume: 8
Published: 30 September 2016
10.1159/000446142
EISBN: 978-3-318-05891-8
... Abstract The etiology of glaucoma is multifactorial. Intraocular pressure (IOP) is the only modifiable factor in glaucoma management proven to alter the natural course of the disease. Currently, based on evidence-based glaucoma therapy, the only approach proven to be efficient in preserving...
Book Chapter
Series: Developments in Ophthalmology
Volume: 59
Published: 28 April 2017
10.1159/000458491
EISBN: 978-3-318-06040-9
.... Aqueous humor passes through the DM window to the scleral lake and follows the physiologic pathway to the venous system. Subconjunctival filtration is avoided due to tight closure of the scleral flap. Viscocanalostomy is proven to be a safe procedure with postoperative intraocular pressure (IOP...
Book Chapter
Series: Developments in Ophthalmology
Volume: 50
Published: 20 April 2012
10.1159/000334796
EISBN: 978-3-8055-9938-2
... and visual field defect is moderate and not progressive. When glaucoma needs three or more types of medication to reduce intraocular pressure (IOP) or when the offset is unpredictable, phacoemulsification associated with glaucoma surgery at two different times allows a higher IOP reduction than...
Book Chapter
Series: Developments in Ophthalmology
Volume: 59
Published: 28 April 2017
10.1159/000458482
EISBN: 978-3-318-06040-9
... factors to consider are that there are patients who are nonresponders to treatment, and also that the target intraocular pressure (IOP) cannot be reached in all patients, regardless of the response to treatment. The progression of damage can occur even under maximum medical treatment or maximally...
Book Chapter
Book: Glaucoma
Series: ESASO Course Series
Volume: 8
Published: 30 September 2016
10.1159/000446139
EISBN: 978-3-318-05891-8
..., a previous episode of acute AC attack or a history of past ocular surgeries, miotic therapy, trauma, or uveitic glaucoma. Uncomplicated PE alone may serve to lower the long-term intraocular pressure (IOP) in some circumstances. Several surgical strategies exist: PE alone, PE followed by glaucoma surgery...
Book Chapter
Series: Developments in Ophthalmology
Volume: 59
Published: 28 April 2017
10.1159/000458486
EISBN: 978-3-318-06040-9
... glaucoma surgery, these must be recognized and treated adequately to ensure a favorable outcome. Moreover, a number of “tricks” allow the adjustment of intraocular pressure (IOP) postoperatively so as to attain the desired value, raising it if it is too low, or decreasing it if it tends to lie above target...
Book Chapter
Series: Developments in Ophthalmology
Volume: 59
Published: 28 April 2017
10.1159/000458494
EISBN: 978-3-318-06040-9
..., cataract extraction has a complex and dynamic effect on intraocular pressure (IOP) [ 19 , 20 , 21 ]. Recent studies have reported a decrease in IOP after phacoemulsification both in patients with or without preexisting ocular diseases and in patients with an elevated preoperative IOP with or without...
Book Chapter
Book: Glaucoma
Series: ESASO Course Series
Volume: 8
Published: 30 September 2016
10.1159/000446138
EISBN: 978-3-318-05891-8
...) and selectively targets pigmented trabecular meshwork cells without damage to the trabecular meshwork and surrounding tissue [ 2 , 3 ]. Recently, a micropulse diode laser has been used to perform LT [ 4 , 5 , 6 ]. Indication LT is indicated for lowering of intraocular pressure (IOP) in primary open-angle...
Book Chapter
Series: Developments in Ophthalmology
Volume: 59
Published: 28 April 2017
10.1159/000458490
EISBN: 978-3-318-06040-9
... routes. The various types of filtering surgery differ primarily according to the method used to create the drainage fistula, but all show a gradual decline in the probability of successful intraocular pressure (IOP) control over time, although the actual numbers vary considerably [ 8 , 9 , 10 ]. The most...
Book Chapter
Series: Developments in Ophthalmology
Volume: 50
Published: 20 April 2012
10.1159/000334793
EISBN: 978-3-8055-9938-2
... of the distal outflow system, which can be evaluated by two clinical tests before surgery: provocative gonioscopy with blood reflux and fluorescein channelography. Ab externo SC surgery is suitable for open-angle glaucoma, but also for angle closure glaucoma in combination with cataract extraction. IOP...
Book Chapter
Series: Developments in Ophthalmology
Volume: 59
Published: 28 April 2017
10.1159/000458485
EISBN: 978-3-318-06040-9
... the placement of an artificial filtering device to lower the intraocular pressure (IOP). All GDIs consist of a silicone rubber tube connected to an end plate. The silicone tube provides for artificial drainage of aqueous humor to a potential space between the end plate, which is fixated to the equatorial sclera...
Book Chapter
Series: Developments in Ophthalmology
Volume: 50
Published: 20 April 2012
10.1159/000334773
EISBN: 978-3-8055-9938-2
... glaucoma surgery, these must be recognized and treated adequately to ensure a favorable outcome. Moreover, a number of ‘tricks’ allow to adjust intraocular pressure (IOP) postoperatively so as to attain the desired value, raising it if it is too low, or decreasing it if it tends to lie above target...
Book Chapter
Book: Glaucoma
Series: ESASO Course Series
Volume: 8
Published: 30 September 2016
10.1159/000446136
EISBN: 978-3-318-05891-8
.... On the other hand, risk factors for glaucoma have been identified in major clinical trials, as well as the potential role of setting an individual target in lowering intraocular pressure (IOP). Despite this knowledge, we are not able to predict the rate of VF progression of the individual patient at baseline...
Book Chapter
Series: Developments in Ophthalmology
Volume: 50
Published: 20 April 2012
10.1159/000334795
EISBN: 978-3-8055-9938-2
...-closure patients needing appropriate therapy. Indications Surgical treatment of ACG is indicated in circumstances where (a) there is inadequate intraocular pressure (IOP) control, with progression of optic nerve or visual field damage despite adequate medical and laser treatment, (b) worsening...
Book
Book Cover Image
Series: Developments in Ophthalmology
Volume: 59
Published: 28 April 2017
10.1159/isbn.978-3-318-06040-9
EISBN: 978-3-318-06040-9
Book Chapter
Series: Developments in Ophthalmology
Volume: 59
Published: 28 April 2017
10.1159/000458493
EISBN: 978-3-318-06040-9
... Surgical treatment of angle-closure glaucoma (ACG) is indicated in circumstances where there is: (a) inadequate intraocular pressure (IOP) control, with progression of optic nerve or visual field damage despite adequate medical and laser treatment, (b) worsening angle closure despite successful laser...
Book Chapter
Book: Glaucoma
Series: ESASO Course Series
Volume: 8
Published: 30 September 2016
10.1159/000446147
EISBN: 978-3-318-05891-8
... the disease is at least as common as primary open angle glaucoma. The natural history of PACG involves some conceptual stages: the ITC may cause mechanical blockage of acqueous outflow causing raised intraocular pressure (IOP), either acute or progressive, together with trabecular dysfunction and PAS...
Book Chapter
Series: Developments in Ophthalmology
Volume: 50
Published: 20 April 2012
10.1159/000334777
EISBN: 978-3-8055-9938-2
... to lower intraocular pressure (IOP). All GDIs consist of a silicone rubber tube connected to an end plate. When placed in the anterior chamber, the silicone tube provides for artificial drainage of aqueous humor to a potential space between the end plate, which is fixated to the equatorial sclera...