KAMRA presbyopic inlay refractive outcomes: a Canadian perspective

Darian-Smith, Erica; Gouvea, Larissa; Gendler, Shai; AlShaker, Sara; Din, Nizar; Skouras, Nick; Rabinovitch, Theodore; Singal, Neera; Chan, Clara C.; Rootman, David S.

doi:10.1016/j.jcjo.2022.11.006

Cited by 2 publications

(2 citation statements)

References 14 publications

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“…Darian-Smith et al retrospectively analyzed the visual outcomes of KAMRA inlay insertion in a cohort of patients reporting success of procedure, complications, patient satisfaction, and refractive outcomes at the TLC Laser Centre, Toronto. The explantation rate was 11.42%; 28.5% of patients required enhancements after inlay insertion [ 51 ]. Moshirfar et al evaluated 10 years of KAMRA corneal inlay explantation and associated visual outcomes.…”

Section: Literature Reviewmentioning

confidence: 99%

“…Although patients experience better near and intermediate vision after KAMRA surgery [ 51 ], follow-up with patients after implantation suggests decreased distance visual acuity in the implanted eye or in both eyes. Dexl et al [ 35 ] reported a decrease in distance visual acuity with correction (CDVA) in emmetropic presbyopic patients.…”

Section: Literature Reviewmentioning

confidence: 99%

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Complications of Small Aperture Intracorneal Inlays: A Literature Review

Sánchez-González

Gutiérrez-Sánchez

Sánchez‐González

et al. 2023

Life

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Presbyopia can be defined as the refractive state of the eye in which, due to a physiological decrease in the ability to accommodate, it is not possible to sustain vision without fatigue in a prolonged manner, along with difficulty focusing near vision. It is estimated that its prevalence in 2030 will be approximately 2.1 billion people. Corneal inlays are an alternative in the correction of presbyopia. They are implanted beneath a laser-assisted in situ keratomileusis (LASIK) flap or in a pocket in the center of the cornea of the non-dominant eye. The purpose of this review is to provide information about intraoperative and postoperative KAMRA inlay complications in the available scientific literature. A search was conducted on PubMed, Web of Science, and Scopus with the following search strategy: ("KAMRA inlay" OR “KAMRA” OR “corneal inlay pinhole” OR “pinhole effect intracorneal” OR “SAICI” OR “small aperture intracorneal inlay”) AND (“complication” OR “explantation” OR “explanted” OR “retired”). The bibliography consulted shows that the insertion of a KAMRA inlay is an effective procedure that improves near vision with a slight decrease in distance vision. However, postoperative complications such as corneal fibrosis, epithelial iron deposits, and stromal haze are described.

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Section: Literature Reviewmentioning

confidence: 99%

Section: Literature Reviewmentioning

confidence: 99%

Complications of Small Aperture Intracorneal Inlays: A Literature Review

Sánchez-González

Gutiérrez-Sánchez

Sánchez‐González

et al. 2023

Life

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Apodized transparent photon sieves with bevelled holes for presbyopia correction

Kummer,

Castignoles,

de Bougrenet de la Tocnaye

et al. 2024

Optical Design and Engineering IX

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The use of a photon sieve (PS) structure has been suggested to design intracorneal implants with drainage holes and multifocal properties. In this study we present how the customization of the 3D hole profile allows designing an innovative implant for the correction of presbyopia. This new implant consists in a transparent PS with bevelled holes whose use in a bilateral mix-and-match approach can provide good visual acuity on an extended range of distance. This blazed photon sieve is also apodized, enabling the ratio between energy in distance and near vision to be controlled according to pupil size. In addition, the hole rings of the photon sieve are placed on the odd radii of the Fresnel rings to maximize the surface area of the photon sieve slopes for small pupils, thus providing near vision energy for all pupil sizes.

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KAMRA presbyopic inlay refractive outcomes: a Canadian perspective

Cited by 2 publications

References 14 publications

Complications of Small Aperture Intracorneal Inlays: A Literature Review

Complications of Small Aperture Intracorneal Inlays: A Literature Review

Apodized transparent photon sieves with bevelled holes for presbyopia correction

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