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Hyperopic Lasik

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https://www.readbyqxmd.com/read/28646441/safety-efficacy-and-refractive-outcomes-of-lasik-surgery-in-patients-aged-65-or-older
#1
Paloma López-Montemayor, Jorge E Valdez-García, Denise Loya-García, Julio C Hernandez-Camarena
PURPOSE: Report on the safety, efficiency and refractive outcomes of LASIK surgery in patients aged 65 or older. METHODS: This study includes a case series of patients ≥65 years that underwent corneal refractive surgery during the period June 2010 to June 2015 at Hospital Zambrano Hellion, Monterrey, Mexico. Inclusion criteria were normal topography, central corneal thickness >500 μm, preoperative manifest refraction spherical equivalent (MRSE) up to -8...
June 23, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28589448/-laser-in-situ-keratomileusis-with-microkeratome-or-femtosecond-laser
#2
REVIEW
T Kohnen, G Steinwender
OBJECTIVE AND PRINCIPLES: In LASIK, after cutting a lamellating stromal corneal incision (flap) with a microkeratome or a femtosecond laser, the underlying tissue is treated with an excimer laser for refractive correction. The objective is to achieve independency from spectacles and contact lenses due to correction of ametropia. INDICATIONS: Surgery is indicated when the patient wishes to achieve independency from spectacles and contact lenses. For LASIK, the German Commission for Refractive Surgery defined a range of applicability for myopic correction up to -8 diopters (D), astigmatic correction up to 5 D and hyperopic correction up to +3 D...
July 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28586496/small-incision-lenticule-extraction-smile-for-hyperopia-optical-zone-diameter-and-spherical-aberration-induction
#3
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/28486722/lasik-for-the-correction-of-high-hyperopic-astigmatism-with-epithelial-thickness-monitoring
#4
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/28461870/assessment-of-refractive-outcome-of-femtosecond-assisted-lasik-for-hyperopia-correction
#5
Mohamed Tarek El-Naggar, Dikran Gilbert Hovaghimian
INTRODUCTION: Laser vision correction for hyperopia is challenging. The purpose of the study was to assess the refractive outcomes of femtosecond-assisted laser in situ keratomileusis (LASIK) for hyperopic correction using wavefront-optimized ablation profiles. METHODS: This retrospective case series study included 20 Egyptian patients (40 eyes) with hyperopia or hyperopic astigmatism with a mean manifest refraction spherical equivalent (MRSE) of +2.55D±1.17 (range from +1...
March 2017: Electronic Physician
https://www.readbyqxmd.com/read/28366365/intraocular-lens-power-calculations-in-eyes-with-previous-hyperopic-laser-in-situ-keratomileusis-or-photorefractive-keratectomy
#6
Eric B Hamill, Li Wang, Hayley K Chopra, Warren Hill, Douglas D Koch
PURPOSE: To evaluate the accuracy of 7 intraocular lens (IOL) calculation formulas in patients with previous hyperopic laser in situ keratomileusis (LASIK) or excimer laser photorefractive keratectomy (PRK). DESIGN: Retrospective case series. SETTING: Cullen Eye Institute, Baylor College of Medicine, Houston, Texas, and private practice, Mesa, Arizona, USA. METHODS: The 7 formulas evaluated were the adjusted Atlas 0-3, Masket, Modified Masket, Haigis-L, Shammas-PL, Barrett True-K, and Barrett True-K No-History...
February 2017: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/28264128/small-incision-lenticule-extraction-smile-for-hyperopia-optical-zone-centration
#7
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/28151939/role-of-percent-peripheral-tissue-ablated-on-refractive-outcomes-following-hyperopic-lasik
#8
George Fatseas, Fiona Stapleton, Patrick Versace
OBJECTIVES: To determine the effect of hyperopic laser in situ keratomileusis (H-LASIK) on corneal integrity, by investigating relationships between proportionate corneal tissue ablated and refractive outcomes at 3 months. METHODS: 18 eyes of 18 subjects treated with H-LASIK by Technolas 217c Excimer Laser were included in the study. Orbscan II Topography System was used to determine corneal volume and pachymetry 3mm temporally (3T). The volume of corneal tissue ablated was determined from the laser nomogram...
2017: PloS One
https://www.readbyqxmd.com/read/28068445/presbyopic-correction-using-monocular-bi-aspheric-ablation-profile-presbymax-in-hyperopic-eyes-1-year-outcomes
#9
Tommy C Y Chan, Peter S K Kwok, Vishal Jhanji, Victor C P Woo, Alex L K Ng
PURPOSE: To present the 1-year outcomes of combining monocular bi-aspheric ablation profile and contralateral monofocal LASIK in hyperopic patients with presbyopia. METHODS: In this retrospective case series, 36 consecutive patients (72 eyes) who underwent simultaneous bi-aspheric ablation (PresbyMAX: SCHWIND Eye-Tech-Solutions GmbH and Co KG, Kleinostheim, Germany) in the non-dominant eye and monofocal regular LASIK in the dominant eye for correction of hyperopia and presbyopia were reviewed for 1 year...
January 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/27938951/outcomes-of-photorefractive-keratectomy-following-laser-in-situ-keratomileusis-a-cohort-study
#10
COMPARATIVE STUDY
Alfonso Iovieno, Joshua C Teichman, Stephanie Low, Sonia N Yeung, Marie Eve Lègarè, Alejandro D Lichtinger, Allan R Slomovic, David S Rootman
OBJECTIVE: To analyze the outcomes of photorefractive keratectomy (PRK) on residual myopia and hyperopia post-laser in situ keratomileusis (LASIK) and to compare these results with PRK on eyes without previous laser refractive surgery. DESIGN: Retrospective comparative cohort study. PARTICIPANTS: Patients undergoing PRK between 2006 and 2010 were reviewed. METHODS: Patients were divided into 4 groups, myopic or hyperopic PRK post-LASIK (mPRK-PL and hPRK-PL, respectively) and myopic or hyperopic PRK on corneas without previous laser refractive surgery (mPRK and hPRK, respectively)...
December 2016: Canadian Journal of Ophthalmology. Journal Canadien D'ophtalmologie
https://www.readbyqxmd.com/read/27911432/-eye-lid-hygiene-in-chronic-allergic-blepharoconjunctivitis-patients-before-laser-refractive-surgery
#11
S V Yanchenko, A V Malyshev, S N Sakhnov, N V Fedotova, O Yu Orekhova
AIM: To evaluate the effectiveness of eyelid hygiene in patients with chronic allergic blepharoconjunctivitis (ABC) as a part of their preparation for laser refractive surgery. MATERIAL AND METHODS: The study involved 32 patients (12 males and 20 females aged 25-42 years) with refractive errors, namely, compound myopic astigmatism (23 patients) and hyperopic astigmatism (9 patients) suffering from chronic ABC and secondary dry eye syndrome (DES). All the patients initially received a standard treatment for ABC and DES, that is olopatodin hydrochloride instillations - 1 mg/ml 2 times daily, preservative-free hyaluronic acid preparation - 1 mg/ml 3 times daily, and polyacrylic acid and dexpanthenol gel at night for one month...
2016: Vestnik Oftalmologii
https://www.readbyqxmd.com/read/27824376/changes-to-corneal-aberrations-and-vision-after-monovision-in-patients-with-hyperopia-after-using-a-customized-aspheric-ablation-profile-to-increase-corneal-asphericity-q-factor
#12
Romain Courtin, Alain Saad, Alice Grise-Dulac, Emmanuel Guilbert, Damien Gatinel
PURPOSE: To evaluate the visual outcomes and fourth-order Zernike spherical aberrations induced with a customized change in corneal asphericity (ΔQ) correction of presbyopia combined with monovision for hyperopic patients. METHODS: Consecutive hyperopic patients who underwent presbyopic LASIK between September 2013 and July 2014 were included. For the non-dominant eyes, the aspheric ablation profile associated with a myopic refraction was planned using the Custom-Q nomogram (Alcon Laboratories, Inc...
November 1, 2016: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/27631415/-the-kamra%C3%A2-inlay-a%C3%A2-realistic-approach
#13
M El-Husseiny, L Daas, A Viestenz, A Langenbucher, B Seitz
BACKGROUND AND PURPOSE: The KAMRA™ inlay (AcuFocus, Irvine, California, USA) is an additional option for correcting presbyopia that has been used for many years in refractive surgery. Our objective is to report our three-month postoperative results of KAMRA™ inlay implantation in terms of near, intermediate and distance vision. PATIENTS AND METHODS: All 24 patients (average age 54.1 ± 6.0 years) were treated with the KAMRA™ inlay in the non-dominant eye (75 % in the left eye) by the same surgeon (MEH)...
September 8, 2016: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/27469426/laser-in-situ-keratomileusis-for-high-hyperopia-with-corneal-vertex-centration-and-asymmetric-offset
#14
Diego de Ortueta, Sam Arba-Mosquera
PURPOSE: To investigate refractive outcomes and induction of corneal higher order aberrations (HOA) in eyes that underwent laser-assisted in situ keratomileusis (LASIK) for high hyperopia correction using an aberration neutral profile with corneal vertex centration and asymmetric offset. METHODS: A total of 24 consecutive patients (38 eyes) who underwent LASIK by one surgeon using AMARIS 750S excimer laser and a Carriazo-Pendular microkeratome for flap creation were retrospectively analyzed...
March 10, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/27418330/wound-healing-profiles-of-hyperopic-small-incision-lenticule-extraction-smile
#15
Yu-Chi Liu, Heng Pei Ang, Ericia Pei Wen Teo, Nyein Chan Lwin, Gary Hin Fai Yam, Jodhbir S Mehta
Refractive surgical treatment of hyperopia still remains a challenge for refractive surgeons. A new nomogram of small incision lenticule extraction (SMILE) procedure has recently been developed for the treatment of hyperopia. In the present study, we aimed to evaluate the wound healing and inflammatory responses of this new nomogram (hyperopic-SMILE), and compared them to those of hyperopic-laser-assisted in situ keratomileusis (LASIK), using a rabbit model. A total of 26 rabbits were used, and slit lamp biomicroscopy, autorefractor/keratometer, intraocular pressure measurement, anterior segment optical coherence tomography, corneal topography, and in vivo confocal microscopy examinations were performed during the study period of 4 weeks...
2016: Scientific Reports
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
#16
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/27255248/sixteen-year-follow-up-of-hyperopic-laser%C3%A2-in-situ-keratomileusis
#17
Reena Dave, David P S O'Brart, Vijay K Wagh, Wei S Lim, Parul Patel, Jennifer Lee, John Marshall
PURPOSE: To assess the long-term efficacy and safety of hyperopic laser in situ keratomileusis (LASIK). SETTING: Department of Ophthalmology, St. Thomas' Hospital, London, United Kingdom. DESIGN: Prospective cohort study. METHODS: Hyperopic LASIK was performed using a mechanical microkeratome, an optical zone of 6.5 mm, and a blend zone of 1.5 mm. Simple hyperopia was treated. RESULTS: The mean patient age was 51...
May 2016: Journal of Cataract and Refractive Surgery
https://www.readbyqxmd.com/read/27196994/corneal-thickness-profile-changes-after-femtosecond-lasik-for-hyperopia
#18
Tao Li, Xiaodong Zhou, Zhi Chen, Xingtao Zhou
PURPOSE: To compare changes in the corneal thickness profile before and 6 months after femtosecond laser in situ keratomileusis (LASIK) for hyperopia. METHODS: In a prospective noncomparative case series study, 24 eyes of 20 hyperopic patients undergoing femtosecond LASIK were examined preoperatively and 6 months postoperatively. Corneal profile was measured using Pentacam HR device. Paired t test was used to compare preoperative and postoperative values. Spearman correlation analysis was performed to evaluate the relationship between the central corneal thickness changes and attempted spherical equivalent refraction (SER)...
May 18, 2016: Eye & Contact Lens
https://www.readbyqxmd.com/read/27099463/lasik-and-prk-in-hyperopic-astigmatic-eyes-is-early-retreatment-advisable
#19
Andreas Frings, Gisbert Richard, Johannes Steinberg, Vasyl Druchkiv, Stephan Johannes Linke, Toam Katz
PURPOSE: To analyze the refractive and keratometric stability in hyperopic astigmatic laser in situ keratomileusis (LASIK) or photorefractive keratectomy (PRK) during the first 6 months after surgery. PATIENTS AND METHODS: This retrospective cross-sectional study included 97 hyperopic eyes; 55 were treated with LASIK and 42 with PRK. Excimer ablation for all eyes was performed using the ALLEGRETTO excimer laser platform using a mitomycin C for PRK and a mechanical microkeratome for LASIK...
2016: Clinical Ophthalmology
https://www.readbyqxmd.com/read/26935202/role-of-preoperative-cycloplegic-refraction-in-lasik-treatment-of-hyperopia
#20
Andreas Frings, Johannes Steinberg, Vasyl Druchkiv, Stephan J Linke, Toam Katz
BACKGROUND: Previous studies have suggested that, to improve refractive predictability in hyperopic LASIK treatments, preoperative cycloplegic or manifest refraction, or a combination of both, could be used in the laser nomogram. We set out to investigate (1) the prevalence of a high difference between manifest and cycloplegic spherical equivalent in hyperopic eyes preoperatively, and (2) the related predictability of postoperative keratometry. METHODS: Retrospective cross-sectional data analysis of consecutive treated 186 eyes from 186 consecutive hyperopic patients (mean age 42 [±12] years) were analyzed...
July 2016: Graefe's Archive for Clinical and Experimental Ophthalmology
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