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from the editor
Capsule contraction
Stephen A. Obstbaum
guest editorial
Iatrogenic keratectasia: academic anxiety or serious risk
Theo Seiler
letters
How leaky is Descemet's membrane?
Klaus D. Teichmann
Combined phacoemulsification and pars plana vitrectomy
Dennis S.C. Lam, Srinivas K. Rao, Wai-Man Chan, Alfred T.S. Leung
Impending dropped nucleus during phacoemulsification
Srinivas K. Rao, Wai-Man Chan, Alfred T.S. Leung, Dennis S.C. Lam
Degeneration and transdifferentiaion of human lens epithelial cells
Abhay R. Vasavada, Prajitha Thampi, Deepa S. Bhatt
consultation section
refractive surgical problem, edited by Thomas Kohnen, MD
A 40-year-old man had PRK in both eyes with a broad-beam laser. Initially, UCVA was a very good, but it has decreased in the past 3 years. Topography shows a slightly decentered ablation zone. Although the patient does not report glare or halos, he could not detect any number on the Nyktometer with an additional bright light source. The patient requests correction of the residual myopia in his right eye. What would you advise?
Josep L. Güell, Gordon Balazsi, Michael C. Knorz, Dan Epstein, Emanuel S. Rosen, Hideharu Fukasaku
techniques
Surgical management of coexisting pseudophakic bullous keratopathy and glaucoma
Michael J. Wearne, Charles Claoue´
articles
Using a Nidek excimer laser with a rotary epithelial brush and corneal chilling: clinical results
S. Percy Amoils
Use of a scanning slit laser, rotary epithelial scrubber, and pre- and post-PRK cooling with chilled BSS resulted in precise, consistent correction of myopia and astigmatism; regression was minimal.
KISA% index: a quantitative videokeratography algorithm embodying minimal topographic criteria for diagnosing keratoconus
Yaron S. Rabinowitz, Karim Rasheed
A videokeratography-derived system – the KISA% – incorporates 4 quantifiable phenotypic features of keratoconus into 1 numerical expression. The magnitude of this number correlates well with the severity of clinical keratoconus and can be used to accurately separate eyes with keratoconus from normal eyes.
Effect of collagen implants in the reduction of high astigmatism induced by penetrating keratoplasty
Alejandro Espaillat, King To, Elliot M. Perlman
The amount of astigmatism was lower in the patients who received AK incisions with collagen implants to correct post-PKP astigmatism than in those having AK only.
Oculocardiac reflex in sedated patients having laser in situ keratomileusis
Miguel Paciuc, Gerardo Mendieta, Ramon Naranjo, Edna Angel, Elsa Reyes
In patients having LASIK, sedation may increase the likelihood of developing an oculocardiac reflex.
Pneumotonometry versus Goldmann tonometry after laser in situ keratomileusis for myopia<
David Zadok, Dan B. Tran, Michael Twa, Miriam Carpenter, David J. Schanzlin
In eyes that had LASIK for myopia, differences in pneumotonometry were less significant with greater reliability than those taken by Goldmann tonometry. No correlations were found between IOP, central corneal thickness, and keratometry.
Cooling effect on excimer laser photorefractive keratectomy
Yoshihiro Kitazawa, Etsuko Maekawa, Shuji Sasaki, Takashi Tokoro, Manabu Mochizuki, Seiji Ito
Cooling the cornea before and during the laser ablation—cooling PRK—reduced postoperative pain, subepithelial haze, and myopic regression.
Risk factors for anterior capsule contraction syndrome with polypropylene or poly(methyl methacrylate) haptics
Shawn P. Gallagher, Mark A. Pavilack
The preoperative condition of the zonules is a better predictor of capsule contraction requiring radial Nd:YAG anterior capsulotomy after cataract surgery than the composition of the IOL haptics.
Capsule contraction after continuous curvilinear capsulorhexis: Poly(methyl methacrylate) versus silicone intraocular lenses
Beatrice Cochener, Pierre-Louis Jacq, Joseph Colin
The contraction rate of the anterior capsule after CCC was significantly greater in eyes with silicone IOLs than in those with PMMA IOLs.
Combined cataract surgery, intraocular lens implantation, and viscocanalostomy
Howard V. Gimbel, Ellen E. Anderson Penno, Maria Ferensowicz
Combined viscocanalostomy, cataract extraction and IOL implantation appears to establish the egress of aqueous through a Descemet's window into Schlemm's canal and the collector channel system, lowering IOP.
Prediction of pseudophakic capsular bag diameter based on biometric variables
Clemens Vass, Rupert Menapace, Karin Schmetterer, Oliver Findl, Georg Rainer, Iris Steineck
By measuring the pseudophakic capsular bag diameter in vivo, a regression formula was computed for preoperative identification of eyes with very small capsular bag diameters.
Performance comparison of the Alcon Legacy 20000 1.1 mm TurboSonics and 0.9 mm MicroTip
James A. Davison
Metered phacoemulsification time was 1.6 minutes for the 0.9 mm MicroTip versus 1.2 minutes for the 1.1 mm TurboSonics tip; however, corneal endothelial loss was similar.
Performance comparison of the Alcon Legacy 20000 1.1 mm TurboSonics and 0.9 mm Aspiration Bypass System tips
James A. Davison
The subjective performance of the 0.9 mm ABS phacoemulsification tip seemed more fluid and efficient than the 1.0 TurboSonics tip; objective performances were similar.
Use of O44 as a solvent for silicone oil adhesions on intraocular lenses
Hans Hoerauf, Dirk-Henning Menz, Joachim Dresp, Horst Laqua
The solution, 044, a partially fluorinated alcane, offers the possibility of safely removing silicone oil adhesions from IOLs in vivo.
Effect of tranilast eyedrops in preventing posterior capsule opacification: preliminary report
Ikuo Tobari, Yoichi Iwaki, Kensaku Miyake
Transilast 0.5% prevented PO in human eyes over a 3 month follow-up.
Axial length measurement and asteroid hyalosis
Esin F. Erkin, Serdar Tarhan, Faruk O¨ztu¨rk
In patients with 1 eye with asteroid hyalosis and a normal eye, the axial length of the normal eye can be used to calculate IOL power in the affected eye if the patent has no clinical history of anisometropia.
12 year results of a prospective trial comparing poly(methyl methacrylate) and poly(hydroxyethyl methacrylate) intraocular lenses
A. Jabbar Khan, S. Piers B. Percival
This first report of a prospective trial of single-piece IOLs with more than 10 years of follow-up shows that P-HEMA may have better biocompatibility than standard PMMA and result in less PCO over-time.
special report
Market trends in refractive surgery
Richard L. Lindstrom, Bruce S. Maller
case reports
Ciliary body detachment caused by capsule contraction
Ines M. Lanzl, Carolin Kopp
Neodymium:YAG laser parabolic anterior capsulotomy in extreme capsule contraction syndrome
Jagmohan S. Chawla1Neither author has a proprietary interest in any material mentioned., M.H. Shaikh
Anterior dislocation of a posterior chamber intraocular lens after blunt trauma
Rosanne Superstein, Mark Gans
Month Advertisers Information for Authors Assigment of Copyright Form Continuing Medical Education
CME Coordinator: David E.Silverstone, MD
Ophthalmologists who read theJournal of Cataract & Refractive Surgery can now earn 5 CME credits in Category 1 of the Physician's Recognition Award of the American Medical Association. Questions have been developed for five articles in this issue, marked with a symbol ( ) in the table of contents. Detailed instructions and a copy of the CME quiz can be obtained from the ASCRS web site (http://www.ascrs.org/publications/jcrs/cmeinfo.html) or ASCRS Fax-on-demand (800-701-7643).
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