Treatment of moderate-to-high hyperopia with the WaveLight Allegretto 400 and EX500 excimer laser systems

Manoj Motwani,1 Ronald Pei1,21Motwani LASIK Institute, San Diego, 2Precision Outcome Consultants, Fresno, CA, USAPurpose: To evaluate the efficacy of treating patients with +3.00 diopters (D) to +6.00 D of hyperopia via laser-assisted in situ keratomileusis (LASIK) with the WaveLight Allegretto 400&...

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Autores principales:	Motwani M, Pei R
Formato:	article
Lenguaje:	EN
Publicado:	Dove Medical Press 2017
Materias:	Excimer laser hyperopia laser-assisted in situ keratomileusis LASIK regression Ophthalmology RE1-994
Acceso en línea:	https://doaj.org/article/5e2be750bbe1457191272660239cb726
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spelling	oai:doaj.org-article:5e2be750bbe1457191272660239cb7262021-12-02T00:07:12ZTreatment of moderate-to-high hyperopia with the WaveLight Allegretto 400 and EX500 excimer laser systems1177-5483https://doaj.org/article/5e2be750bbe1457191272660239cb7262017-05-01T00:00:00Zhttps://www.dovepress.com/treatment-of-moderate-to-high-hyperopia-with-the-wavelight-allegretto--peer-reviewed-article-OPTHhttps://doaj.org/toc/1177-5483Manoj Motwani,1 Ronald Pei1,21Motwani LASIK Institute, San Diego, 2Precision Outcome Consultants, Fresno, CA, USAPurpose: To evaluate the efficacy of treating patients with +3.00 diopters (D) to +6.00 D of hyperopia via laser-assisted in situ keratomileusis (LASIK) with the WaveLight Allegretto 400 and EX500 excimer laser systems.Setting: Private clinical ophthalmology practice.Patients and methods: This was a retrospective study of patients undergoing LASIK treatments of +3.00 to +6.00 D on two different WaveLight laser systems: 163 eyes on the 400 (Hertz) Hz system and 54 eyes on the 500 Hz system. The duration of follow-up was 6 months postoperation. Data were evaluated for uncorrected distance visual acuity, corrected distance visual acuity (CDVA), spherical equivalents (SEQs), and changes in these parameters (eg, loss of vision, regression over time).Results: Treatment with both lasers was safe and effective, with loss of one line of CDVA in four of 162 eyes using the 400 Hz laser system, and none of the 54 eyes with the 500 Hz laser system. Overall, regression ≥0.75 D from goal at 6 months was observed in 11.7% (19/163) of eyes in the 400 Hz laser group and 9.26% (5/54) of eyes in the 500 Hz laser group (regression ≥0.50 D =77.9% [127/163] and 77.8% [42/54], respectively). The mean SEQ regressions for all eyes with moderate hyperopia were 0.10 and 0.18 D for those with high hyperopia.Conclusions: Both the 400 and 500 Hz excimer laser systems were safe and effective for the LASIK treatment of moderate-to-high hyperopia. The overall rate of regression was low and the amount of regression was relatively small with both systems. Keywords: excimer laser, hyperopia, laser-assisted in situ keratomileusis, LASIK, regressionMotwani MPei RDove Medical PressarticleExcimer laserhyperopialaser-assisted in situ keratomileusisLASIKregressionOphthalmologyRE1-994ENClinical Ophthalmology, Vol Volume 11, Pp 999-1007 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Excimer laser hyperopia laser-assisted in situ keratomileusis LASIK regression Ophthalmology RE1-994
spellingShingle	Excimer laser hyperopia laser-assisted in situ keratomileusis LASIK regression Ophthalmology RE1-994 Motwani M Pei R Treatment of moderate-to-high hyperopia with the WaveLight Allegretto 400 and EX500 excimer laser systems
description	Manoj Motwani,1 Ronald Pei1,21Motwani LASIK Institute, San Diego, 2Precision Outcome Consultants, Fresno, CA, USAPurpose: To evaluate the efficacy of treating patients with +3.00 diopters (D) to +6.00 D of hyperopia via laser-assisted in situ keratomileusis (LASIK) with the WaveLight Allegretto 400 and EX500 excimer laser systems.Setting: Private clinical ophthalmology practice.Patients and methods: This was a retrospective study of patients undergoing LASIK treatments of +3.00 to +6.00 D on two different WaveLight laser systems: 163 eyes on the 400 (Hertz) Hz system and 54 eyes on the 500 Hz system. The duration of follow-up was 6 months postoperation. Data were evaluated for uncorrected distance visual acuity, corrected distance visual acuity (CDVA), spherical equivalents (SEQs), and changes in these parameters (eg, loss of vision, regression over time).Results: Treatment with both lasers was safe and effective, with loss of one line of CDVA in four of 162 eyes using the 400 Hz laser system, and none of the 54 eyes with the 500 Hz laser system. Overall, regression ≥0.75 D from goal at 6 months was observed in 11.7% (19/163) of eyes in the 400 Hz laser group and 9.26% (5/54) of eyes in the 500 Hz laser group (regression ≥0.50 D =77.9% [127/163] and 77.8% [42/54], respectively). The mean SEQ regressions for all eyes with moderate hyperopia were 0.10 and 0.18 D for those with high hyperopia.Conclusions: Both the 400 and 500 Hz excimer laser systems were safe and effective for the LASIK treatment of moderate-to-high hyperopia. The overall rate of regression was low and the amount of regression was relatively small with both systems. Keywords: excimer laser, hyperopia, laser-assisted in situ keratomileusis, LASIK, regression
format	article
author	Motwani M Pei R
author_facet	Motwani M Pei R
author_sort	Motwani M
title	Treatment of moderate-to-high hyperopia with the WaveLight Allegretto 400 and EX500 excimer laser systems
title_short	Treatment of moderate-to-high hyperopia with the WaveLight Allegretto 400 and EX500 excimer laser systems
title_full	Treatment of moderate-to-high hyperopia with the WaveLight Allegretto 400 and EX500 excimer laser systems
title_fullStr	Treatment of moderate-to-high hyperopia with the WaveLight Allegretto 400 and EX500 excimer laser systems
title_full_unstemmed	Treatment of moderate-to-high hyperopia with the WaveLight Allegretto 400 and EX500 excimer laser systems
title_sort	treatment of moderate-to-high hyperopia with the wavelight allegretto 400 and ex500 excimer laser systems
publisher	Dove Medical Press
publishDate	2017
url	https://doaj.org/article/5e2be750bbe1457191272660239cb726
work_keys_str_mv	AT motwanim treatmentofmoderatetohighhyperopiawiththewavelightallegretto400andex500excimerlasersystems AT peir treatmentofmoderatetohighhyperopiawiththewavelightallegretto400andex500excimerlasersystems
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Treatment of moderate-to-high hyperopia with the WaveLight Allegretto 400 and EX500 excimer laser systems

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