Refractive Error — Piggyback Sulcoflex Toric IOL for Correcting Refractive Error Following Corneal Transplantation
Citation(s)
Baumeister M, Kohnen T Scheimpflug measurement of intraocular lens position after piggyback implantation of foldable intraocular lenses in eyes with high hyperopia. J Cataract Refract Surg. 2006 Dec;32(12):2098-104.
Chang SH, Lim G Secondary pigmentary glaucoma associated with piggyback intraocular lens implantation. J Cataract Refract Surg. 2004 Oct;30(10):2219-22.
Chang WH, Werner L, Fry LL, Johnson JT, Kamae K, Mamalis N Pigmentary dispersion syndrome with a secondary piggyback 3-piece hydrophobic acrylic lens. Case report with clinicopathological correlation. J Cataract Refract Surg. 2007 Jun;33(6):1106-9.
Durak I, Ferliel ST, Söylev M, Saatçi O Pre-Descemet's membrane hemorrhage after secondary intraocular lens implantation. J Cataract Refract Surg. 1999 Nov;25(11):1554-6.
Iwase T, Tanaka N Elevated intraocular pressure in secondary piggyback intraocular lens implantation. J Cataract Refract Surg. 2005 Sep;31(9):1821-3.
Kahraman G, Amon M New supplementary intraocular lens for refractive enhancement in pseudophakic patients. J Cataract Refract Surg. 2010 Jul;36(7):1090-4. doi: 10.1016/j.jcrs.2009.12.045.
Khan MI, Muhtaseb M Performance of the Sulcoflex piggyback intraocular lens in pseudophakic patients. J Refract Surg. 2011 Sep;27(9):693-6. doi: 10.3928/1081597X-20110512-01. Epub 2011 May 20.
Leaming DV Practice styles and preferences of ASCRS members--2003 survey. J Cataract Refract Surg. 2004 Apr;30(4):892-900.
Mamalis N, Brubaker J, Davis D, Espandar L, Werner L Complications of foldable intraocular lenses requiring explantation or secondary intervention--2007 survey update. J Cataract Refract Surg. 2008 Sep;34(9):1584-91. doi: 10.1016/j.jcrs.2008.05.046.
McIntyre JS, Werner L, Fuller SR, Kavoussi SC, Hill M, Mamalis N Assessment of a single-piece hydrophilic acrylic IOL for piggyback sulcus fixation in pseudophakic cadaver eyes. J Cataract Refract Surg. 2012 Jan;38(1):155-62. doi: 10.1016/j.jcrs.2011.06.035. Epub 2011 Nov 4.
Paul RA, Chew HF, Singal N, Rootman DS, Slomovic AR Piggyback intraocular lens implantation to correct myopic pseudophakic refractive error after penetrating keratoplasty. J Cataract Refract Surg. 2004 Apr;30(4):821-5.
Interventional studies are often prospective and are specifically tailored to evaluate direct impacts of treatment or preventive measures on disease.
Observational studies are often retrospective and are used to assess potential causation in exposure-outcome relationships and therefore influence preventive methods.
Expanded access is a means by which manufacturers make investigational new drugs available, under certain circumstances, to treat a patient(s) with a serious disease or condition who cannot participate in a controlled clinical trial.
Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.
Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.
