Combined hydrogel inlay and laser in situ keratomileusis to compensate for presbyopia in hyperopic patients: One-year safety and efficacy

Chayet, Arturo; Garza, Enrique Barragan

doi:10.1016/j.jcrs.2013.05.038

Cited by 26 publications

(27 citation statements)

References 9 publications

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“…This prospective study enrolled 16 hyperopic presbyopic patients [35]. Results suggested a new indication for this implant.…”

Section: Raindrop Near Vision Inlaymentioning

confidence: 99%

“…By the end of 1 year, mean monocular and binocular UNVA was 20/27 or better. Uncorrected intermediate and distance visual acuities were also satisfactory averaging 20/26 and 20/31, respectively [35]. There was one patient who suffered from recurrent haze and had the Raindrop explanted after 9 months.…”

Section: Raindrop Near Vision Inlaymentioning

confidence: 99%

“…Overall 87% of patients stated being satisfied or very satisfied with their near, distance, and overall vision. Haloes and glares were studied, as they can be an issue for post-LASIK patients, and were found to be negligible in this study [35, 36]. Contrast sensitivity was not monitored in this study.…”

Section: Raindrop Near Vision Inlaymentioning

confidence: 99%

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A Review of Presbyopia Treatment with Corneal Inlays

2017

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The prevalence of presbyopia continues to increase every year. The therapeutic approaches to presbyopia cover the spectrum of non-surgical to surgical techniques. With recent advances in biocompatible materials, corneal inlays make a strong case for their place within the treatment spectrum. This article takes a closer look at three of the current corneal inlay models: KAMRA, Raindrop, and Presbia Flexivue Microlens. Each design approach and mode of action is described with data from key clinical trials. Furthermore, the ability to choose the most suitable corneal inlay is presented by comparing each model and identifying their similarities and differences. The article then concludes by touching on the future of corneal inlays, looking at associated conditions and complications and how to manage them, as well as an expert’s personal point of view of enhanced ideas for continuing the growth and success of corneal inlays in the market.

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“…This prospective study enrolled 16 hyperopic presbyopic patients [35]. Results suggested a new indication for this implant.…”

Section: Raindrop Near Vision Inlaymentioning

confidence: 99%

Section: Raindrop Near Vision Inlaymentioning

confidence: 99%

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A Review of Presbyopia Treatment with Corneal Inlays

2017

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“…There was minimal effect on UDVA, however one patient was dissatisfied with the resulting vision and underwent explantation of the inlay. Simultaneous monocular hydrogel inlay implantation in the non-dominant eye and bilateral Lasik treatment in hyperopic presbyopes also yielded positive results, with all eyes with the inlay achieving UNVA of 20/32 or better at one-year follow-up [40]. Mean binocular UDVA improved from 20/53 preoperatively to 20/19 postoperatively.…”

Section: Methodsmentioning

confidence: 99%

Corneal Refractive Procedures for the Treatment of Presbyopia

Moussa

Jehangir

Mannis

et al. 2017

TOOPHTJ

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Purpose:Refractive surgery has been in use for a long time and is evolving at a fast pace with several new corneal procedures being used for the correction of presbyopia. The purpose of this article is to give a comprehensive review of the literature to evaluate the outcome and success of different corneal refractive surgical procedures in presbyopic patients.Methods:We performed a comprehensive search on PubMed to identify published reports of the various procedures utilized in the past and present to correct presbyopia. The outcomes of these procedures were recorded.Results and conclusion:We found that varying rates of success have been reported with these procedures. The results of our exhaustive search are presented in this report for review.

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“…The permeability of the hydrogel material used to manufacture this inlay insures free passage of oxygen and nutrients across it, thus preventing unwanted side effects such as stromal and epithelial oedema. 25 The Raindrop aims to increase the refractive power of the non-dominant eye at the centre of the pupil. The smooth transition from the centre of the inlay to its periphery, coupled with its relatively shallow placement in the cornea (130 µm), allow for a subtle monovision by increasing prolacity and/or positive asphericity, which allow the patient to focus clearly for near vision, while minimally affecting monocular distance vision.…”

Section: The Raindropmentioning

confidence: 99%

Intracorneal Inlays – Special Focus on the Raindrop

Güell¹,

Barrada²

2014

European Ophthalmic Review

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23Patient demand for spectacle independence is growing. The advances in laser and non-laser technology have allowed ophthalmologists to offer their patients the freedom to choose between depending on their glasses, or to go spectacle free. Presbyopia, defined as the age-related loss of the ability to clearly accommodate onto near objects, has become the last frontier for refractive vision correction.The complexity and illusiveness of presbyopia necessitates the ophthalmologist to tackle its pathology in different ways. Corneal, lenticular and even scleral approaches have been previously explored in an attempt to reverse this age-related phenomenon. Corneal monovision and presbyopic laser-assisted in situ keratomileusis (presbyLASIK) procedures give conflicting results. Monovision gives the patient near vision on the expense of far and binocular vision; while presbyLASIK requires further development in its nomogram in order to achieve consistent postoperative results. 1-3 Conductive keratoplasty, a technique in which the cornea is moulded into a new shape using radiofrequency waves, has also been studied as an option for presbyopia treatment, with patients usually experiencing a large overcorrection followed by a significant regression of their refractive outcome overtime. 4 Other procedures described in the management of presbyopia include scleral expansion and anterior sclerotomy techniques. 5,6 Lens surgery with implantation of multifocal or accommodating intraoperative lenses (IOLs) have also shown to reduce dependence on reading glasses; 7 however, risks associated with intraocular surgery, difficulty in lens exchange, biometric errors, patient dissatisfaction and loss in contrast sensitivity and photopic phenomena make them far from perfect. 8 Also, there is an age bracket (40-50 years old) where patients might be experiencing presbyopia symptoms but still had not developed cataract, and in these patients lens surgery is probably less than ideal. Pseudophakic patients with monofocal IOLs are also not eligible for secondary lens implantation, and in these patients an intracorneal inlay might be a good option.One of the earliest proposed methods for presbyopia correction is additive refractive keratoplasty. This term refers to procedures in which a foreign material is added to the corneal tissue to modify the refractive condition of the eye. Albeit this method is not new, recent advances in technology, its potential for reversibility and ease of application has made it a subject of great interest to ophthalmologists in recent years. 9 HistoryAs mentioned, intracorneal inlays are far from being a novel idea. José I.Barraquer performed experiments with corneal implants as early as 1949, although with unsatisfactory results. 10 Since then, this refractive technology has undergone a series of improvements.Early inlays were composed of flint glass and plexiglass for the correction of aphakia and high myopia. Earlier trials attempted to use poly(methyl methacrylate) (PMMA) and polysulfone inlays to treat high...

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Combined hydrogel inlay and laser in situ keratomileusis to compensate for presbyopia in hyperopic patients: One-year safety and efficacy

Abstract: The hydrogel corneal inlay with concurrent LASIK improved uncorrected near, intermediate, and distance visual acuity in hyperopic presbyopic patients with high patient satisfaction and visual task ability. This represents a new indication for this recently developed technology.

Cited by 26 publications

References 9 publications

A Review of Presbyopia Treatment with Corneal Inlays

A Review of Presbyopia Treatment with Corneal Inlays

Corneal Refractive Procedures for the Treatment of Presbyopia

Intracorneal Inlays – Special Focus on the Raindrop

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