Argon Laser Trabeculoplasty in Capsular Glaucoma

Svedbergh, Björn

doi:10.1111/j.1755-3768.1988.tb02648.x

Cited by 14 publications

(5 citation statements)

References 46 publications

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“…Tuulonen et al (1987Tuulonen et al ( , 1989, the Glaucoma Laser Trial (1989 and Migdal & Hitchings (1984. Preliminary results were reported by Migdal 8c Hitchings in 1984 and by us (Svedbergh 1988), suggesting the possible advantages of PALT.…”

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confidence: 59%

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Primary argon laser trabeculoplasty vs. pilocarpine Short‐term effects

Bergeå

Svedbergh

1992

Acta Ophthalmologica

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This is a prospective study of 82 newly discovered patients with simplex or capsular glaucoma from two centres, collected between 1984 and 1989 and selected at random for primary treatment by either laser or pilocarpine. Preliminary two-year follow-up shows that primary laser treatment gives a significantly higher number of patients where the intraocular pressure is successfully controlled. Primary argon laser trabeculoplasty has been carried out in 40 patients. The first treatment was given to either the upper or to the lower half of the trabecular meshwork. In the second treatment after one month the other half was treated. In both groups the first treatment gave the highest pressure reduction. The somewhat higher pressure reduction after upper treatment versus lower was insignificant. The degree of trabecular pigmentation did not influence the two month follow-up result, neither did the type of glaucoma. Of the eyes treated with laser, peripheral anterior synechiae could be seen in 18%. Acute intraocular pressure rises greater than 5 mmHg occurred in 21% of the eyes after the first treatment and in 37% after the second treatment. Pressure rises greater than 10 mmHg occurred in 5% after the first and in 10% after the second treatment. No pressure-lowering substances were given. Considering that 16% of the eyes had an intraocular pressure that was higher than baseline pressure even 6 h after either first or second treatment, it is recommended that a pressure-lowering medication on the day of treatment should be administered.

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confidence: 59%

“…Since then it has been widely adopted and accepted (for review, see Svedbergh 1988) with two reports on a ten-year followup wise 1987, Ticho & Nesher 1989).…”

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confidence: 99%

Primary argon laser trabeculoplasty vs. pilocarpine Short‐term effects

Bergeå

Svedbergh

1992

Acta Ophthalmologica

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“…It has been suggested that the increased response is related both to the high baseline IOP and to the heavily pigmented trabecular meshwork in PES eyes (Bergeå 1984). However, the initial significant effect on IOP may gradually decline, and probably more so than in eyes without PES (Svedbergh 1988; Threlkeld et al. 1996).…”

Section: Glaucoma Surgerymentioning

confidence: 98%

Cataract and glaucoma surgery in pseudoexfoliation syndrome: a review

Drolsum

Ringvold

Nicolaissen

2007

Acta Ophthalmologica Scandinavica

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ABSTRACT. Pseudoexfoliation syndrome is a risk factor in cataract surgery because of the increased weakness of zonular apparatus and reduced pupillary dilatation. The surgical outcome of using phacoemulsification in the central zone, inducing minimal stress on the zonules, inserting a capsular tension ring in selected cases, and stretching the pupil mechanically in eyes with miotic pupils, may turn out to be uneventful in most cases. Postoperative fibrosis with subsequent shrinkage of the capsule is increased in these eyes, and these centripetal forces will further loosen the zonular fibres. Late in-the-bag intraocular lens dislocation is therefore anticipated to become a growing problem in the future. Despite the dysfunctioning of the blood-aqueous barrier in eyes with pseudoexfoliation syndrome, the frequency of postoperative inflammatory reaction is low due to the improvements made in surgical technique and equipment in recent years. Glaucoma frequently occurs in eyes with pseudoexfoliation syndrome. Compared with primary open-angle glaucoma, optic damage is more pronounced in these eyes at the time of diagnosis and response to medical therapy is poorer. Although responses to argon laser therapy and filtering surgery are roughly similar between the two types of glaucoma, there are indications that primary laser trabeculoplasty has a higher success rate in pseudoexfoliation glaucoma than in primary open-angle glaucoma.

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“…A number of studies have demonstrated that LTP (argon LTP or selective LTP) is effective in reducing IOP. [114][115][116][117][118][119][120][121][122][123][124][125] However, the effect of LTP is not permanent, 121,125 although it is hopeful that selective LTP may be more repeatable for the treatment of glaucoma than argon LTP.…”

Section: Surgical Management Of Pxf Glaucomamentioning

confidence: 99%

The Medical and Surgical Management of Pseudoexfoliation Glaucoma

Desai

Lee

2008

International Ophthalmology Clinics

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Pseudoexfoliation (PXF) glaucoma is classically diagnosed by slit lamp visualization of white powdery deposits (PXF material) in a bull's eye configuration on the lens capsule. PXF glaucoma is the most common form of open-angle worldwide with an identifiable etiology. 1 The presence of PXF material is associated with an increased risk of developing glaucoma, but can be present in the eye without associated glaucoma. This disorder also has an association with narrow angles secondary to zonular weakness, increased rate and risk of cataract formation, and increased risk of complications during cataract extraction associated with zonular dehiscence. PXF glaucoma's primary manifestations and morbidity are ocular. However, PXF is a systemic condition with PXF material present throughout the body. The presence of PXF material has been weakly associated with cardiovascular and cerebrovascular morbidity and sensorineural hearing loss. 2-10 Unlike PXF and glaucoma, a direct cause-effect relationship remains to be clearly established between the presence of PXF material and the aforementioned systemic associations. PXF syndrome was first described by Lindbergh in the year 1917, followed by Vogt, and initially termed "glaucoma capsulare." The classic white flaky dandrufflike material was initially thought to originate from the lens capsule. 11 Immunohistologic and electron microscopy studies suggest the PXF material deposited on the lens capsule and throughout the anterior segment of the eye (ie, the angle, corneal endothelium, etc.) is a product of abnormal extracellular matrix material metabolism. 1 PXF is distinct from true exfoliation syndrome observed in glass blowers, where a schisis of the anterior lens capsule occurs. Recent molecular and genetic studies have revealed clues as to the molecular pathogenesis of PXF material formation and the association of PXF with the extracellular matrix and cellular metabolism. 12,13 This paper reviews current concepts in the medical and surgical management of PXF glaucoma.

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Argon Laser Trabeculoplasty in Capsular Glaucoma

Cited by 14 publications

References 46 publications

Primary argon laser trabeculoplasty vs. pilocarpine Short‐term effects

Primary argon laser trabeculoplasty vs. pilocarpine Short‐term effects

Cataract and glaucoma surgery in pseudoexfoliation syndrome: a review

The Medical and Surgical Management of Pseudoexfoliation Glaucoma

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