Abstract：
PURPOSE:To assess the ability of corneal power measurements by a rotating Scheimpflug camera to measure the refractive change induced by myopic excimer laser surgery. SETTING:G.B. Bietti Foundation-IRCCS, Rome, Italy. DESIGN:Evaluation of diagnostic test. METHODS:The following corneal power measurements by the Pentacam Scheimpflug camera were analyzed: average keratometry (K), true net power (calculated by Gaussian optics formula), and total corneal refractive power (TCRP) at 2.0 mm, 3.0 mm, and 4.0 mm, calculated by ray tracing on a ring and as the average of the zone inside the ring. The difference between the preoperative and postoperative values was compared with the subjective surgically induced refractive change (SIRC) and with the difference between the preoperative and the postoperative anterior corneal power measured by Placido corneal topography (Keratron). RESULTS:In 36 consecutive eyes, the average K significantly underestimated the SIRC as determined by subjective refraction (-4.47 diopters [D] ± 1.81 [SD]) and corneal topography (-4.38 ± 1.81 D). The 3.0 mm and 4.0 mm ring total corneal refractive power significantly overestimated the SIRC. The remaining values did not show statistically significant differences with respect to the SIRC. The 3.0 mm zone TCRP and the 2.0 mm ring TCRP provided the lowest median difference compared with the SIRC (-0.07 D and -0.17 D, respectively) and the closest agreement. CONCLUSIONS:The corneal power values provided by the Scheimpflug camera accurately reflected the SIRC after myopic excimer laser surgery. The best options seem to be the 3.0 mm zone TCRP and the 2.0 mm ring TCRP.
journal_name
J Cataract Refract Surgjournal_title
Journal of cataract and refractive surgeryauthors
Savini G,Hoffer KJ,Carbonelli M,Barboni Pdoi
10.1016/j.jcrs.2012.12.031subject
Has Abstractpub_date
2013-04-01 00:00:00pages
605-10issue
4eissn
0886-3350issn
1873-4502pii
S0886-3350(13)00058-8journal_volume
39pub_type
杂志文章abstract：:A patient with bilateral Salzmann's nodular degeneration developed a myopic shift of 9 diopters in the right eye and 5 diopters in the left eye after removal of his nodules. This previously unreported complication of removal of peripheral corneal pathology is discussed in light of our current understanding of keratore...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章
doi：10.1016/s0886-3350(13)80658-x
更新日期：1994-11-01 00:00:00
abstract：PURPOSE:To evaluate the efficacy, predictability, stability, and complications after implantation of a foldable iris-fixated toric phakic intraocular lens (pIOL) to correct myopic astigmatism. SETTING:University Eye Clinic, Paracelsus Medical University, Salzburg, Austria. DESIGN:Retrospective nonrandomized observati...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章
doi：10.1016/j.jcrs.2011.11.027
更新日期：2012-04-01 00:00:00
abstract：:We describe a modification of the original 14C Morcher capsular tension ring. The new ring, the Henderson capsule tension ring (HCTR, Morcher), is an open C-shaped loop made of poly(methyl methacrylate). It has 8 equally spaced indentations of 0.15 mm to improve the ease of removing nuclear and cortical material while...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章,随机对照试验
doi：10.1016/j.jcrs.2007.05.041
更新日期：2007-10-01 00:00:00
abstract：PURPOSE:To demonstrate the proper method for evaluating and reporting astigmatism for individual and aggregate data. SETTING:University of Texas Medical School and Cullen Eye Institute, Baylor College of Medicine, Houston, Texas, USA. METHODS:The surgically induced refractive change (SIRC) was determined for three da...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章
doi：10.1016/s0886-3350(98)80075-8
更新日期：1998-01-01 00:00:00
abstract：PURPOSE:To evaluate patients' vision-related activity limitation before and after bilateral cataract surgery using the German version of the Catquest-9SF questionnaire. SETTING:Hanusch Hospital, Vienna, Austria, and Ophthalmic Clinic, Minden, Germany. DESIGN:Questionnaire development. METHODS:This prospective 2-cent...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章,多中心研究
doi：10.1016/j.jcrs.2012.11.028
更新日期：2013-05-01 00:00:00
abstract：PURPOSE:To evaluate the cleavage plane, corneal cytoarchitecture, and cell vitality of separated corneal epithelial sheets created with 3 commonly used microkeratomes. SETTING:Laboratories of the Regensburg University Medical Center, Regensburg, Germany. METHODS:Mechanical separation of the epithelial layer in 10 por...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章
doi：10.1016/j.jcrs.2008.06.028
更新日期：2008-10-01 00:00:00
abstract：PURPOSE:To investigate the incidence and clinical features of red blood cell (RBC)-coated intraocular lens (IOL) in breakthrough vitreous hemorrhage (VH) with subretinal hemorrhage (SRH) secondary to neovascular age-related macular degeneration (nAMD). SETTING:Seoul National University Bundang Hospital, Seongnam, Kore...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章
doi：10.1097/j.jcrs.0000000000000549
更新日期：2020-12-09 00:00:00
abstract：PURPOSE:To correlate cycloplegic subjective refraction with cycloplegic autorefractometry in eyes that have had laser in situ keratomileusis (LASIK). SETTING:Vlemma Eye Institute, Athens, Greece. METHODS:Subjective refraction and autorefractometry under cycloplegia were performed in 73 eyes of 46 patients 1, 6, and 1...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章
doi：10.1016/s0886-3350(02)01743-1
更新日期：2003-01-01 00:00:00
abstract：:A study to determine the correlation between intraoperative quantitative keratometry and one day postoperative office keratometry was performed. Prior reports have failed to demonstrate a positive statistical relationship between surgical and postoperative keratometry, weakening the value of quantitative intraoperativ...
journal_title：Journal of cataract and refractive surgery
pub_type： 临床试验,杂志文章
doi：10.1016/s0886-3350(88)80116-0
更新日期：1988-05-01 00:00:00
abstract：:We describe a technique to prevent late intraocular lens (IOL) subluxation and dislocation that can be associated with progressive zonulopathy. Supracapsular glued IOL fixation is done to retain an intact anterior hyaloid face and avoid vitreous disturbance while providing stable long-term IOL fixation. Phacoemulsific...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章
doi：10.1016/j.jcrs.2017.02.006
更新日期：2017-03-01 00:00:00
abstract：:In February 2001, a questionnaire on the practice of refractive surgery was sent worldwide to all 8196 members of the American Society of Cataract and Refractive Surgery; 1511 responses (18.4%) were received. Although laser in situ keratomileusis (LASIK) was the most common refractive procedure reported, phakic intrao...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章
doi：10.1016/s0886-3350(01)01318-9
更新日期：2002-02-01 00:00:00
abstract：:We describe a technique for creating a continuous curvilinear capsulorhexis (CCC) using an endoscope. Three 2.0 mm limbal incisions 120 degrees apart were made in 4 cadaver eyes. The anterior capsule was stained with trypan blue 0.1% (Vision Blue). Under endoscopic visualization, a CCC was attempted in each of the 4 g...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章
doi：10.1016/j.jcrs.2003.09.051
更新日期：2004-05-01 00:00:00
abstract：PURPOSE:To evaluate the position of posterior chamber intraocular lenses (PC IOLs) at distance and near and the amplitude of pseudoaccommodation in young eyes. SETTING:Department of Ophthalmology, University School of Medical Sciences, Bydgoszcz, Poland. METHODS:This study comprised 45 eyes of 38 patients aged 12 to ...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章
doi：10.1016/s0886-3350(99)00407-1
更新日期：2000-04-01 00:00:00
abstract：PURPOSE:To compare the safety and efficacy of 0.025 mg/mL brilliant blue G (BBG) and an intracameral illuminator for visualizing the anterior capsule. SETTING:University-based tertiary referral center, South Korea. DESIGN:Retrospective cases series. METHODS:The medical records of patients with vitreous hemorrhage fo...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章
doi：10.1016/j.jcrs.2016.03.038
更新日期：2016-07-01 00:00:00
abstract：PURPOSE:To examine the safety and efficacy of myopic keratomileusis in situ (automated lamellar keratoplasty) using an automated microkeratome. SETTING:Jules Stein Eye Institute and the Department of Ophthalmology, UCLA School of Medicine, Los Angeles, California. METHODS:A retrospective study was done on 135 consecu...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章
doi：10.1016/s0886-3350(96)80145-3
更新日期：1996-12-01 00:00:00
abstract：PURPOSE:To investigate the reliability of corneal topography measurements using the Orbscan II topography system (Bausch & Lomb) not only referring to a normal cohort but also to different refractive conditions. SETTING:Department of Ophthalmology, Ruprecht-Karls-University of Heidelberg, Heidelberg, Germany. METHODS...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章
doi：10.1016/j.jcrs.2005.01.013
更新日期：2005-08-01 00:00:00
abstract：PURPOSE:The use of monochromatic light in the assessment of intraocular lenses (IOLs) has been criticized for not representing the real-world situation. This study aimed to measure and compare the image quality of 3 extended depth-of-focus (EDOF) IOL models in monochromatic and polychromatic light. SETTING:David J App...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章
doi：10.1097/j.jcrs.0000000000000037
更新日期：2020-01-01 00:00:00
abstract：PURPOSE:To determine depth of focus and visual quality after implantation of a diffractive intraocular lens (IOL) and a refractive IOL. SETTING:University Eye Clinic, Vienna, Austria. METHOD:This study comprised 10 eyes of 9 patients with a diffractive IOL (3M 825x + 4) and 13 eyes of 9 patients with a refractive len...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章
doi：10.1016/s0886-3350(98)80262-9
更新日期：1998-05-01 00:00:00
abstract：PURPOSE:To document keratocyte distribution and changes with age in the cellular network of the human cornea in vivo. SETTING:Department of Ophthalmology, University of Rostock, Rostock, Germany. METHODS:Forty-nine eyes of 31 healthy subjects of various ages were examined with a modified Microphthal scanning-slit con...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章
doi：10.1016/s0886-3350(01)01227-5
更新日期：2002-04-01 00:00:00
abstract：:The elimination of hydroxypropyl methylcellulose (HPMC) of molecular weight 86,000 daltons (2%, viscosity 4,000 centipoises; 2.5%, 15,000 centipoises) and 120,000 daltons (2%, 15,000 centipoises) from the anterior chamber of rabbit eyes was determined colorimetrically and was nearly complete by 24 hours. The eliminati...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章
doi：10.1016/s0886-3350(89)80009-4
更新日期：1989-03-01 00:00:00
abstract：PURPOSE:To determine whether preoperative counseling on possible intraoperative visual perceptions during cataract surgery helps reduce the patients' fear during surgery. SETTING:Aravind Eye Hospital, Madurai, India. DESIGN:Randomized masked clinical trial. METHODS:Patients having phacoemulsification under topical a...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章,随机对照试验
doi：10.1016/j.jcrs.2010.11.041
更新日期：2011-05-01 00:00:00
abstract：:Two patients with active iritis developed cataracts and had successful cataract surgery with implantation of a Collamer (Staar Surgical, AG) intraocular lens (IOL). Both patients developed severe bilateral uveitis, which in 1 patient was refractory to control. Different IOL materials have been used in iritis patients ...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章
doi：10.1016/s0886-3350(03)00329-8
更新日期：2003-12-01 00:00:00
abstract：:From the beginning of nuclear fragment removal to the end, we progressively reduce all the parameters, ie, energy, vacuum, and aspiration flow rate, in a step-by-step manner proportionate to the posterior capsule exposure. This promotes adaptation of various parameters to the appropriate stages of surgery and allows t...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章
doi：10.1016/s0886-3350(03)00121-4
更新日期：2003-06-01 00:00:00
abstract：PURPOSE:To compare differences in anterior (ACO) and posterior (PCO) capsule opacification and subjective glare between 2 acrylic intraocular lenses (IOLs): AcrySof MA30BA (Alcon) and Sensar AR40 (Allergan). SETTING:Department of Ophthalmology and Neurosurgery, University of Siena, Siena, Italy. METHODS:This retrospe...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章
doi：10.1016/s0886-3350(02)01427-x
更新日期：2002-07-01 00:00:00
abstract：PURPOSE:To examine whether clinically significant differences exist in corneal elevation data from a sampling of countries worldwide. SETTING:International multicenter. DESIGN:Evaluation of diagnostic test or technology. METHODS:One randomly selected eye of normal adults from 8 countries spanning 6 continents was ex...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章,多中心研究,随机对照试验
doi：10.1016/j.jcrs.2011.04.030
更新日期：2011-10-01 00:00:00
abstract：:A 60-year-old white man had cataract surgery with an AcrySof IQ intraocular lens (IOL) implanted in the right eye and a Tecnis IOL implanted in the left eye. The ocular spherical aberration (SA) target for a 6.0 mm pupil was +0.10 microm for the right eye and 0 microm for the left eye. After surgery, the ocular SA in ...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章
doi：10.1016/j.jcrs.2008.12.041
更新日期：2009-05-01 00:00:00
abstract：PURPOSE:To examine the hypothesis that removing the center of the posterior capsule would prevent posterior capsular opacification (PCO). SETTING:Department of Ophthalmology, University Hospital Antwerp, Belgium. METHODS:A posterior continuous curvilinear capsulorhexis (CCC) was done before intraocular lens (IOL) imp...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章
doi：10.1016/s0886-3350(96)80068-x
更新日期：1996-11-01 00:00:00
abstract：PURPOSE:To assess the safety, efficacy, and predictability of femtosecond laser in situ keratomileusis (LASIK) in eyes with previous radial keratotomy (RK). SETTING:Hospital Virgen del Consuelo de Valencia, Valencia, and Vissum Instituto Oftalmológico de Alicante, Alicante, Spain. METHODS:This prospective study compr...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章
doi：10.1016/j.jcrs.2006.02.061
更新日期：2006-08-01 00:00:00
abstract：UNLABELLED:A 77-year-old woman with primary open-angle glaucoma was referred for surgical evaluation after failing to achieve target intraocular pressure (IOP) despite previous combined phacotrabeculectomy and Ahmed valve implantations. The IOP prior to surgery was 28 mm Hg on topical dorzolamide-timolol, latanoprost, ...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章
doi：10.1016/j.jcrs.2014.06.017
更新日期：2014-08-01 00:00:00
abstract：:We introduce a technique for iris fixation of a posterior chamber intraocular lens (IOL) in which most of the procedure is done outside the eye. This minimizes intraocular manipulation, maximizes corneal endothelial preservation, and avoids the risk for IOL drop into the vitreous cavity intraoperatively. The IOL is fi...
journal_title：Journal of cataract and refractive surgery
pub_type： 杂志文章
doi：10.1016/j.jcrs.2016.10.008
更新日期：2016-12-01 00:00:00
