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https://www.readbyqxmd.com/read/29738583/therapeutic-refractive-surgery-state-of-technology-and-a-call-to-action
#1
EDITORIAL
Dan Z Reinstein
No abstract text is available yet for this article.
May 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29522224/clinical-outcomes-of-smile-with-a-triple-centration-technique-and-corneal-wavefront-guided-transepithelial-prk-in-high-astigmatism
#2
Ikhyun Jun, David Sung Yong Kang, Dan Z Reinstein, Samuel Arba-Mosquera, Timothy J Archer, Kyoung Yul Seo, Tae-Im Kim
PURPOSE: To comparatively investigate the clinical outcomes, vector parameters, and corneal aberrations of small incision lenticule extraction (SMILE) with a triple centration technique and corneal wavefront-guided transepithelial photorefractive keratectomy (PRK) for the correction of high astigmatism. METHODS: This retrospective, comparative case series study included 89 eyes (89 patients) that received treatment for myopia with high astigmatism (≥ 2.50 diopters) using SMILE with a triple centration technique (SMILE group; 45 eyes) and corneal wavefront-guided transepithelial PRK (transepithelial PRK group; 44 eyes)...
March 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29425391/incidence-and-outcomes-of-optical-zone-enlargement-and-recentration-after-previous-myopic-lasik-by-topography-guided-custom-ablation
#3
Dan Z Reinstein, Timothy J Archer, Glenn I Carp, Alastair J Stuart, Elizabeth L Rowe, Andrew Nesbit, Tara Moore
PURPOSE: To report the incidence, visual and refractive outcomes, optical zone enlargement, and recentration using topography-guided CRS-Master TOSCA II software with the MEL 80 excimer laser (Carl Zeiss Meditec AG, Jena, Germany) after primary myopic laser refractive surgery. METHODS: Retrospective analysis of 73 eyes (40 patients) with complaints of night vision disturbances due to either a decentration or small optical zone following a primary myopic laser refractive surgery procedure using the MEL 80 laser...
February 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/29315435/femtosecond-lenticule-extraction-flex-for-spherocylindrical-hyperopia-using-new-profiles
#4
Walter Sekundo, Anke Messerschmidt-Roth, Dan Z Reinstein, Timothy J Archer, Marcus Blum
PURPOSE: To investigate new lenticule profiles for the treatment of hyperopia by femtosecond lenticule extraction (FLEx) for spherocylindrical hyperopia using a modified laser scan sequence. METHODS: In this prospective 9-month study, 39 eyes of 22 patients with the mean age of 49 years (range: 27 to 56 years) underwent hyperopic FLEx. The mean optical zone was 6 mm (range: 5.75 to 6.75 mm) with keratometry readings and magnitude of correction adjusted mean transition zone of 2...
January 1, 2018: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28991341/repair-of-irregularly-irregular-astigmatism-by-transepithelial-phototherapeutic-keratectomy
#5
Stefano Guglielmetti, Amy Kirton, Dan Z Reinstein, Glenn I Carp, Timothy J Archer
PURPOSE: To evaluate the outcome of transepithelial phototherapeutic keratectomy (PTK) in the management of irregularly irregular astigmatism. METHODS: This was a case series of two patients who underwent transepithelial PTK for irregularly irregular astigmatism. In the first case, the patient complained of diplopia due to corneal scarring caused by a metallic foreign body injury. The topography demonstrated irregularly irregular astigmatism with significant asymmetry in the inferotemporal to superonasal axis...
October 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28880337/effect-of-lowering-laser-energy-on-the-surface-roughness-of-human-corneal-lenticules-in-smile
#6
Yong Woo Ji, Minseo Kim, David Sung Yong Kang, Dan Z Reinstein, Timothy J Archer, Jin Young Choi, Eung Kweon Kim, Hyung Keun Lee, Kyoung Yul Seo, Tae-Im Kim
PURPOSE: To determine the effect of lowering femtosecond laser energy on the surface quality of the intrastromal interface during small incision lenticule extraction (SMILE). METHODS: Forty age- and diopter-matched female patients (40 eyes) with moderate myopia received SMILE with different energy levels (100 to 150 nJ) and fixed spot separation (4.5 μm). Five human corneal lenticules from each energy group were evaluated by atomic force microscopy and scanning electron microscopy (SEM)...
September 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28586496/small-incision-lenticule-extraction-smile-for-hyperopia-optical-zone-diameter-and-spherical-aberration-induction
#7
COMPARATIVE STUDY
Dan Z Reinstein, Kishore R Pradhan, Glenn I Carp, Timothy J Archer, Marine Gobbe, Walter Sekundo, Raynan Khan, Purushottam Dhungana
PURPOSE: To evaluate optical zone diameter efficacy and spherical aberration change in hyperopic small incision lenticule extraction (SMILE). METHODS: Prospective study of 60 consecutive hyperopic SMILE procedures using the VisuMax femtosecond laser (Carl Zeiss Meditec, Jena, Germany) and matched LASIK procedures with the VisuMax and MEL 80 excimer (Carl Zeiss Meditec) lasers. Inclusion criteria were maximum attempted hyperopic meridian of between +1.00 and +7.00 diopters (D)...
June 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28532924/standard-for-reporting-refractive-outcomes%C3%A2-of-intraocular-lens-based-refractive-surgery
#8
EDITORIAL
Dan Z Reinstein, Timothy J Archer, Sathish Srinivasan, Nick Mamalis, Thomas Kohnen, William J Dupps, J Bradley Randleman
No abstract text is available yet for this article.
April 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28486722/lasik-for-the-correction-of-high-hyperopic-astigmatism-with-epithelial-thickness-monitoring
#9
Dan Z Reinstein, Glenn I Carp, Timothy J Archer, Tim Buick, Marine Gobbe, Elizabeth L Rowe, Mario Jukic, Emma Brandon, Johnny Moore, Tara Moore
PURPOSE: To evaluate outcomes of high hyperopic LASIK using the MEL 80 excimer laser (Carl Zeiss Meditec, Jena, Germany). METHODS: Retrospective analysis of 830 consecutive high hyperopic LASIK procedures using the MEL 80 excimer laser and either the VisuMax femtosecond laser (Carl Zeiss Meditec) or zero compression Hansatome microkeratome (Bausch & Lomb, Rochester, NY). Inclusion criteria were attempted hyperopic correction of +4.00 diopters [D] or higher in one axis and corrected distance visual acuity (CDVA) of 20/20 or better...
May 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28407160/standard-for-reporting-refractive-outcomes-of-intraocular-lens-based-refractive-surgery
#10
EDITORIAL
Dan Z Reinstein, Timothy J Archer, Sathish Srinivasan, Nick Mamalis, Thomas Kohnen, William J Dupps, J Bradley Randleman
No abstract text is available yet for this article.
April 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28264128/small-incision-lenticule-extraction-smile-for-hyperopia-optical-zone-centration
#11
Dan Z Reinstein, Kishore R Pradhan, Glenn I Carp, Timothy J Archer, Marine Gobbe, Walter Sekundo, Raynan Khan, Kim Citron, Purushottam Dhungana
PURPOSE: To evaluate optical zone centration of hyperopic small incision lenticule extraction (SMILE). METHODS: This prospective study of 60 consecutive hyperopic SMILE procedures used the VisuMax femtosecond laser and matched LASIK procedures with the VisuMax and MEL 80 excimer lasers (Carl Zeiss Meditec AG, Jena, Germany). Inclusion criteria were maximum attempted hyperopic meridian of between +1.00 and +7.00 diopters (D) and astigmatism up to 6.00 D. For SMILE, the optical zone was between 6...
March 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/27824384/refractive-lenticule-transplantation-for-correction-of-iatrogenic-hyperopia-and-high-astigmatism-after-lasik
#12
Apostolos Lazaridis, Dan Z Reinstein, Timothy J Archer, Stephan Schulze, Walter Sekundo
PURPOSE: To design a technique for intrastromal transplantation of stromal lenticules with specific refractive power for correction of post-LASIK induced hyperopia and astigmatism. METHODS: A 28-year-old patient was referred for consultation after complicated LASIK for moderate myopia and astigmatism. The refractive error of the right eye was severely overcorrected due to data entry error. Post-LASIK refraction showed high astigmatism (right eye: +6.50 -9.00 @ 84°) and corrected distance visual acuity (CDVA) of 20/32...
November 1, 2016: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/27824374/in-memoriam-carlo-lovisolo
#13
EDITORIAL
Dan Z Reinstein, Jorge L Alió
No abstract text is available yet for this article.
November 1, 2016: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/27515569/combined-tomography-and-epithelial-thickness-mapping-for-diagnosis-of-keratoconus
#14
Ronald H Silverman, Raksha Urs, Arindam RoyChoudhury, Timothy J Archer, Marine Gobbe, Dan Z Reinstein
PURPOSE: Scanning Scheimpflug provides information regarding corneal thickness and 2-surface topography while arc-scanned high-frequency ultrasound allows depiction of the epithelial and stromal thickness distributions. Both techniques are useful in detection of keratoconus. Our aim was to develop and test a keratoconus classifier combining information from both methods. METHODS: We scanned 111 normal and 30 clinical keratoconus subjects with Artemis-1 and Pentacam data...
March 10, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/27304599/mechanism-for-a-rare-idiosyncratic-complication-following-hyperopic-lasik-diurnal-shift-in-refractive-error-due-to-epithelial-thickness-profile-changes
#15
Dan Z Reinstein, Marine Gobbe, Timothy J Archer, Glenn I Carp
PURPOSE: Case series report of normal-appearing eyes after hyperopic LASIK exhibiting diurnal shift in refractive error found to correlate with diurnal shifts in epithelial thickness profile. METHODS: Patients complaining of diurnal shift in vision during the course of the day with more hyperopia on waking and decreasing hyperopia in the evening in the absence of abnormal epithelial or slit-lamp findings were examined. Diurnal concomitant measurement of refraction, topography, and Artemis very high-frequency digital ultrasound scanning (VHFDU) (ArcScan Inc...
June 1, 2016: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/27163613/long-term-visual-and-refractive-outcomes-after-lasik-for-high-myopia-and-astigmatism-from-8-00-to-14-25-d
#16
Dan Z Reinstein, Glenn I Carp, Timothy J Archer, Tariq A Lewis, Marine Gobbe, Johnny Moore, Tara Moore
PURPOSE: To evaluate outcomes of high myopic LASIK using the MEL 80 excimer laser (Carl Zeiss Meditec, Jena, Germany). METHODS: Retrospective analysis of 479 consecutive high myopic LASIK procedures (318 patients) using the MEL 80 excimer laser and VisuMax femtosecond laser (Carl Zeiss Meditec) in 77% of cases or zero compression Hansatome microkeratome (Bausch & Lomb, Rochester, NY) in 23% of cases. Inclusion criteria were preoperative spherical equivalent refraction (SEQ) of between -8...
May 1, 2016: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/27026452/quality-control-outcomes-analysis-of-small-incision-lenticule-extraction-for-myopia-by-a-novice-surgeon-at-the-first-refractive-surgery-unit-in-nepal-during-the-first-2-years-of-operation
#17
Kishore R Pradhan, Dan Z Reinstein, Glenn I Carp, Timothy J Archer, Marine Gobbe, Purushottam Dhungana
PURPOSE: To evaluate the outcomes of small-incision lenticule extraction for myopia using the Visumax femtosecond laser at the first refractive surgery unit in Nepal during the first 30 months of operation. SETTING: Tilganga Institute of Ophthalmology, Kathmandu, Nepal. DESIGN: Retrospective noncomparative case series. METHODS: Consecutive myopic small-incision lenticule extraction procedures by a fellowship-trained surgeon were evaluated...
February 2016: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/26948783/comparison-of-very-high-frequency-ultrasound-and-spectral-domain-optical-coherence-tomography-corneal-and-epithelial-thickness-maps
#18
COMPARATIVE STUDY
Raksha Urs, Harriet O Lloyd, Dan Z Reinstein, Ronald H Silverman
PURPOSE: To compare corneal thickness and epithelial thickness measurements in maps obtained using the RTVue spectral domain optical coherence tomography (SD-OCT) system and the Artemis 2 immersion arc-scanning very-high-frequency ultrasound (VHF-US) system. SETTING: Department of Ophthalmology, Columbia University Medical Center, New York, New York, USA. DESIGN: Comparative study. METHODS: Eyes of normal volunteers were scanned with the SD-OCT system followed by the VHF-US system and then again by the SD-OCT system...
January 2016: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/26868029/improved-lenticule-shape-for-hyperopic-femtosecond-lenticule-extraction-relex-flex-a-pilot-study
#19
Walter Sekundo, Dan Z Reinstein, Marcus Blum
The aim of this study is to establish and to prove a new lenticule shape for the treatment of hyperopia using a 500 kHz femtosecond laser and the femtosecond lenticule extraction (ReLEx FLEx) technique. Improved lenticule shapes with a large transition zone of at least 2 mm adjusted to the 5.75 mm optical zone were designed. A prospective pilot study on nine eyes of five patients who underwent an uncomplicated FLEx using VisuMax femtosecond laser (Carl Zeiss Meditec AG) for spherical hyperopia was performed...
May 2016: Lasers in Medical Science
https://www.readbyqxmd.com/read/26856428/comparison-of-central-corneal-thickness-between-fourier-domain-oct-very-high-frequency-digital-ultrasound-and-scheimpflug-imaging-systems
#20
COMPARATIVE STUDY
Timothy E Yap, Timothy J Archer, Marine Gobbe, Dan Z Reinstein
PURPOSE: To compare corneal thickness measurements between three imaging systems. METHODS: In this retrospective study of 81 virgin and 58 post-laser refractive surgery corneas, central and minimum corneal thickness were measured using optical coherence tomography (OCT), very high-frequency digital ultrasound (VHF digital ultrasound), and a Scheimpflug imaging system. Agreement between methods was analyzed using mean differences (bias) (OCT - VHF digital ultrasound, OCT - Scheimpflug, VHF digital ultrasound - Scheimpflug) and Bland-Altman analysis with 95% limits of agreement (LoA)...
February 2016: Journal of Refractive Surgery
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