Outcomes of laser in situ keratomileusis in patients with pigment dispersion syndrome

Jabbur, Nada S.; Tuli, Suhas; Barequet, Irina S.; O’Brien, Terrence P.

doi:10.1016/s0886-3350(03)00519-4

Cited by 13 publications

(3 citation statements)

References 20 publications

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“…juvenile primary open angle glaucoma), positive family history and pigment dispersion syndrome are among other established glaucoma risk factors in people who seek refractive surgery. [ 14 15 16 ] Since PRK alters corneal curvature and thickness, the normative parameters of conventional glaucoma screening tools, such as tonometry or perimetry could change irreversibly which may affect proper diagnosis or follow up of the patients or glaucoma suspects. Although the effect of refractive surgery on perimetry has yet to be elucidated, its effect on Goldmann applanation tonometry and IOP measurement is well established.…”

Section: Discussionmentioning

confidence: 99%

Effect of photorefractive keratectomy on optic nerve head topography and retinal nerve fiber layer thickness measured by heidelberg retina tomograph 3

Nilforushan¹,

Azadi²,

Soudi³

et al. 2016

J Ophthalmic Vis Res

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Purpose:To determine whether photorefractive keratectomy (PRK) has a significant effect on optic nerve head (ONH) parameters and peripapillary retinal nerve fiber layer (RNFL) thickness measured by the Heidelberg Retina Tomograph 3 (Heidelberg Engineering GmbH, Heidelberg, Germany) in eyes with low to moderate myopia.Methods:This prospective, interventional case series, includes 43 consecutive myopic eyes which were assessed on the day of PRK and 3 months postoperatively using the HRT3. Among the stereometric parameters, we compared disc area, linear cup disc ratio, cup shape measure, global rim area, global rim volume, RNFL height variation contour and mean RNFL thickness; out of the Glaucoma Probability Score (GPS) we assessed changes in global value, rim steepness temporal/superior, and temporal/inferior, as well as cup size and cup depth before and after PRK.Results:Mean refractive error before and after PRK were −3.24 ± 1.31 and −0.20 ± 0.42 diopters, respectively. No significant change occurred in disc area, linear cup disc ratio, cup shape measure, rim area and rim volume among the stereometric parameters; and in rim steepness temporal/superior and rim steepness temporal/inferior in the GPS before and after PRK using the default average keratometry. However, RNFL height variation contour, mean RNFL thickness, and cup size and depth were significantly altered after PRK (P < 0.05).Conclusion:PRK can affect some HRT3 parameters. Although the most important stereometric parameters for differentiating normal, suspect or glaucomatous patients such as rim and cup measurements in stereometric parameters were not changed.

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Section: Discussionmentioning

confidence: 99%

Effect of photorefractive keratectomy on optic nerve head topography and retinal nerve fiber layer thickness measured by heidelberg retina tomograph 3

Nilforushan¹,

Azadi²,

Soudi³

et al. 2016

J Ophthalmic Vis Res

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“…A study of 12 patients (22 eyes) with pigment dispersion syndrome showed that its presence does not affect the results of refractive surgery, but the authors indicate that the final refractive outcome in patients who receive topical antiglaucoma medication before surgery is less predictable and the healing process of the corneal wound can last longer [17]. …”

Section: Preoperative Assessmentmentioning

confidence: 99%

The Effect of Corneal Refractive Surgery on Glaucoma

Kozobolis

Konstantinidis

Sideroudi

et al. 2017

Journal of Ophthalmology

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Laser-assisted refractive procedures have become very popular in the last two decades. As a result, a “generation” of patients with altered corneal properties is emerging. These patients will require both cataract extraction and glaucoma follow-up in the future. Since the glaucoma examination largely depends on the corneal properties, the reshaped postrefractive surgery cornea poses a challenge in the diagnosis, follow-up, and management of the glaucomatous patient. In order to overcome this problem, every patient who is planned to undergo corneal refractive surgery must have a thorough glaucoma examination in order for the ophthalmologist to be able to monitor their patients for possible glaucoma development and/or progression. Some examinations such as tonometry are largely affected by the corneal properties, while others such as the evaluation of the structures of the posterior pole remain unaffected. However, the new imaging modalities of the anterior segment in combination with the most recent advances in tonometry can accurately assess the risk for glaucoma and the need for treatment.

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“…Other ophthalmic diseases: pigment dispersion as well as pseudoexfoliation syndrome have been associated to secondary open-angle glaucoma [72,73]. Previous reports have demonstrated that the presence of pigment dispersion syndrome does not affect the results of refractive surgery; however, topical antiglaucoma medication before surgery can modify the healing process thus the corneal wound can last longer [74].…”

mentioning

confidence: 99%

Combined Glaucoma and Cataract: An Overview

Jiménez-Román¹,

Prado-Larrea²,

Laneri-Pusineri³

et al. 2018

Difficulties in Cataract Surgery

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Glaucoma and cataract frequently coexist in our elderly population regardless of geographical location or ethnicity. Cataract extraction alone has demonstrated to reduce intraocular pressure in eyes either with or without glaucoma. However, this chapter focuses on how cataract surgery might be combined with different glaucoma surgical procedures, such as trabeculectomy, non-penetrating procedures and minimally invasive procedures (MIGS), as well as implantation of drainage devices like the Trabectome ® and the iStent ® , both used for trabecular flow increase; the CyPass ® implant, which acts by increasing the uveoscleral flow; the XEN ® implant that facilitates the drainage of the aqueous humor from the anterior chamber to the subconjunctival space and finally the endocyclophotocoagulation that decreases the aqueous humor production. Current surgical options will be discussed, focusing on recently reported studies, analyzing the clinical aspects that influence the choice for each surgical treatment.

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Outcomes of laser in situ keratomileusis in patients with pigment dispersion syndrome

Abstract: Corneal findings of PDS do not appear to affect the intraoperative or postoperative outcomes of LASIK. However, patients who have PDS in the context of glaucoma and therapy with an intraocular-pressure-lowering agent may experience delayed healing and a less predictable visual outcome.

Cited by 13 publications

References 20 publications

Effect of photorefractive keratectomy on optic nerve head topography and retinal nerve fiber layer thickness measured by heidelberg retina tomograph 3

Effect of photorefractive keratectomy on optic nerve head topography and retinal nerve fiber layer thickness measured by heidelberg retina tomograph 3

The Effect of Corneal Refractive Surgery on Glaucoma

Combined Glaucoma and Cataract: An Overview

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