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Vivinex™ IOL

参考文献
  1. 宮田 章 : 5種の疎水性アクリルIOLに発生するグリスニングについての実験的考察. IOL & RS. 2018;32:628-635.
  2. Tandogan, T. et al. In-vitro glistening formation in six different foldable hydrophobic intraocular lenses. In BMC Ophthalmol. 2021; 21, 126.
  3. Pérez-Merino P, Marcos S. Effect of intraocular lens decentration on image quality tested in a custom model eye. J Cataract Refract Surg. 2018;44(7):889-896.
  4. Leydolt C, et al. Posterior Capsule Opacification With Two Hydrophobic Acrylic Intraocular Lenses: 3-Year Results of a Randomized Trial. Am J Ophthalmol. 2020;217:224-231.
  5. De Giacinto C, et al. Surface properties of commercially available hydrophobic acrylic intraocular lenses: Comparative study. J Cataract Refract Surg. 2019;45(9):1330-1334.
  6. Werner L, et al. Evaluation of clarity characteristics in a new hydrophobic acrylic IOL in comparison to commercially available IOLs. J Cataract Refract Surg. 2019;45(10):1490-1497.
  7. Matsushima H,et al. Active oxygen processing for acrylic intraocular lenses to prevent posterior capsule opacification. J Cataract Refract Surg. 2006;32(6):1035-1040.
  8. Farukhi MA, et al. Evaluation of uveal and capsule biocompatibility of a single-piece hydrophobic acrylic intraocular lens with ultraviolet-ozone treatment on the posterior surface. J Cataract Refract Surg. 2015;41(5):1081-1087.
  9. Nanavaty, M. et al. Edge profile of commercially available square-edged intraocular lenses: Part 2. In: Journal of cataract and refractive surgery 45 (6), 2019;p. 847–853.
  10. Eldred, J. et al. An In Vitro Human Lens Capsular Bag Model Adopting a Graded Culture Regime to Assess Putative Impact of IOLs on PCO Formation. In: Investigative ophthalmology & visual science 60 (1), 2019;p. 113–122.
  11. 向坂俊裕ほか : 疎水性アクリルVivinex製1ピース眼内レンズにおける後発白内障抑制効果の検討. IOL & RS. 2021;35:119-124.

HOYAのVivinexTM Family

Hoya Surgical Optics Vivinex IOL

エビデンスに基づく特長:

グリスニングを抑制した疎水性アクリル素材1,2

見え方を向上させる独自の非球面設計3

PCO低減のためのUVオゾン処理、高い光学部表面精度、シャープエッジ4-11

参考文献
  1. 宮田 章,鈴木克則,朴 智華ほか : アクリルレンズに発生する輝点. 臨眼. 1997;51:729-732.
  2. Tandogan, T. et al. In-vitro glistening formation in six different foldable hydrophobic intraocular lenses. In BMC Ophthalmol. 2021; 21, 126.

グリスニングを抑制した疎水性アクリル素材

Hoya Surgical Optics Vivinex IOL

14 倍拡大下での in vitro グリスニング観察

Vivinex™ のグリスニング発生は11.6±5.7 MV/mm2 (グレード0 *)であり、製品Aと比較して有意に少ないことが示されました。2

*宮田章先生のグリスニング発生頻度の分類に基づくグレードです

参考文献
  1. Pérez-Merino P, Marcos S. Effect of intraocular lens decentration on image quality tested in a custom model eye. J Cataract Refract Surg. 2018;44(7):889-896.

見え方を向上させる独自の非球面設計

Vivinex™が見え方を向上させるためにコマ収差を低減するプロセスをご紹介します。1

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参考文献
  1. De Giacinto C, et al. Surface properties of commercially available hydrophobic acrylic intraocular lenses: Comparative study. J Cataract Refract Surg. 2019;45(9):1330-1334.
  2. Werner L, et al. Evaluation of clarity characteristics in a new hydrophobic acrylic IOL in comparison to commercially available IOLs. J Cataract Refract Surg. 2019;45(10):1490-1497.
  3. Tanaka T, et al. Cell adhesion to acrylic intraocular lens associated with lens surface properties. J Cataract Refract Surg. 2005;41(8):1648-1651.
  4. Nanavaty MA, et al. Edge profile of commercially available square-edged intraocular lenses: Part 2. J Cataract Refract Surg. 2019;45(6):847-853.
  5. Auffarth GU, et al. Quantification of posterior capsule opacification with round and sharp edge intraocular lenses. Ophthalmology. 2003; 110:772–780.
  6. Buehl W, et al. Effect of an acrylic intraocular lens with a sharp posterior optic edge on posterior capsule opacification. J Cataract Refract Surg. 2002; 28:1105–1111.
  7. Leydolt C, et al. Posterior Capsule Opacification With Two Hydrophobic Acrylic Intraocular Lenses: 3-Year Results of a Randomized Trial. Am J Ophthalmol. 2020;217:224-231.
  8. Eldred JA, et al. An In Vitro Human Lens Capsular Bag Model Adopting a Graded Culture Regime to Assess Putative Impact of IOLs on PCO Formation. Invest Ophthalmol Vis Sci. 2019;60(1):113-122.
  9. Farukhi MA, et al. Evaluation of uveal and capsule biocompatibility of a single-piece hydrophobic acrylic intraocular lens with ultraviolet-ozone treatment on the posterior surface. J Cataract Refract Surg. 2015;41(5):1081-1087.
  10. 向坂俊裕ほか :疎水性アクリルVivinex製1ピース眼内レンズにおける後発白内障抑制効果の検討. IOL & RS. 2021;35:119-124.

PCOを低減させるための工夫

Hoya Surgical Optics Vivinex IOL

Vivinex™は、独自の製造工程によるUVオゾン処理を施した疎水性アクリルから作られています。

シャープエッジ、滑らかで均一な光学面、独自行程のUVオゾン処理により、いくつかの試験においてPCOの発生率が低いことが実証されています。7-10

参考文献
  1. Matsushima, H. et al. (2006): Active oxygen processing for acrylic intraocular lenses to prevent posterior capsule opacification. In: Journal of cataract and refractive surgery 32 (6), p. 1035–1040.

UVオゾン処理

現在考えられている当社のUVオゾン処理によるPCO低減メカニズムを、模式的にご紹介します。1

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参考文献
  1. Meacock W, et al. The Effect of Texturing the Intraocular Lens Edge on Postoperative Glare Symptoms. Archives of Ophthalmology. 2002; 120: 1294-1298.

VivinexTM Familyのその他の特長

vivinex-iol
vivinex-iol

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