enVista® is the new standard in acrylic IOL performance.
Exceptional quality of vision
No glistenings detected at any time in a 2-year prospective study of 172 eyes^1-2^
Glistenings are prevented and material stability enhanced by:
Hydrating the lens to equilibrium water content so that it will neither gain nor lose water
Packaging the lens in physiological saline to eliminate fluid exchange with the aqueous humor ^2-5^
Abrasion resistance is increased due to improved surface durability^6^
Hydrophobic properties are maintained over time^3^
Enhanced contrast sensitivity; uniform power, centre-to-edge; and better vision quality are delivered by Bausch + Lomb aspheric, aberration-free Advanced Optics^7-8-9^
Designed to minimise PCO
Step-vaulted haptics are designed to vault the optic posteriorly for direct contact with the capsular bag
LEC migration is believed to be inhibited by 360° square barrier edge^10^
Advanced ease of use
Safe, simple, reliable insertion through a 2.2-mm incision with a single-use injector
Precise positioning in the capsular bag and removal of viscoelastic are facilitated by controlled unfolding
Give your patients long-term clarity and quality of vision
No glistenings detected at any time in a 2-year prospective study of 172 eyes^1-2^
Bausch + Lomb aspheric Advanced Optics^7-9^
Insertion through a 2.2-mm incision
Designed to minimise PCO^10^
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enVista® Directions for Use.
Tetz MR, Werner L, Schwahn-Bendig S, Batlle JF. A prospective clinical study to quantify glistenings in a new hydrophobic acrylic IOL. Paper presented at: American Society of Cataract and Refractive Surgery (ASCRS) Symposium & Congress; April 3-8, 2009; San Francisco, CA.
Data on file, Bausch + Lomb. Mentak K. Hydrophobic character of MD-14 lens.
Data on file, Bausch + Lomb. Martin P, Elachchabi A, Goldberg E, Mentak K. Atomic force microscopy (AFM) of IOL surface morphology for dry and hydrated hydrophobic acrylic IOLs. Study Report, July 27, 2006.
Summary of Safety and Effectiveness (SSED). PMA P080021. Food and Drug Administration website. http://www.accessdata.fda.gov/cdrh_docs/pdf8/p080021b.pdf. Accessed July 28, 2011.
Mentak K, Martin P, Elachchabi A, Goldberg EP. Nanoindentation studies on hydrophobic acrylic IOLs to evaluate surface mechanical properties. Paper presented at: XXV Congress of the European Society of Cataract and Refractive Surgery; September 8-12, 2007; Stockholm, Sweden.
Santhiago MR, Netto MV, Barreto J Jr, et al. Wavefront analysis, contrast sensitivity, and depth of focus after cataract surgery with aspherical intraocular lens implantation. Am J Ophthalmol. 2010;149(3):383-389.e1-2.
Pepose JS, Qazi MA, Edwards KH, Sanderson JP, Sarver EJ. Comparison of contrast sensitivity, depth of field and ocular wavefront aberrations in eyes with an IOL with zero versus positive spherical aberration. Graefe’s Arch Clin Exp Ophthalmol. 2009;247(7):965-973.
Johansson B, Sundelin S, Wikberg-Matsson A, Unsbo P, Behndig A. Visual and optical performance of the Akreos® Adapt Advanced Optics and Tecnis Z9000 intraocular lenses: Swedish multicenter study. J Cataract Refract Surg. 2007;33(9):1565- 1572.
Nishi O, Nishi K, Osakabe Y. Effect of intraocular lenses on preventing posterior capsule opacification: design versus material. J Cataract Refract Surg. 2004;30(10):2170-2176.
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