Titre du document / Document title

Photorefractive keratectomy for myopia with a 15 Hz repetition rate

Auteur(s) / Author(s)

FISHER E. M. ⁽¹⁾ ; GINSBERG N. E. ⁽²⁾ ; SCHER K. S. ⁽²⁾ ; HERSH P. S. ^{(1 3)} ;

Affiliation(s) du ou des auteurs / Author(s) Affiliation(s)

⁽¹⁾ Department of Ophthalmology, UMDNJ-New Jersey Medical School, Newark, New Jersey, ETATS-UNIS
⁽²⁾ The Cornea and Laser Eye Institute, Teaneck, New Jersey, ETATS-UNIS
⁽³⁾ Hackensack University Medical Center, Hackensack, New Jersey, ETATS-UNIS

Résumé / Abstract

Purpose: To evaluate excimer laser photorefractive keratectomy (PRK) for myopia using a repetition rate of 15 Hz instead of 10 Hz. Setting: The Cornea and Laser Eye Institute, Teaneck, and Department of Ophthalmology, UMDNJ-New Jersey Medical School, Newark, New Jersey, USA. Methods: Photorefractive keratectomy using a 15 Hz repetition rate was performed in 23 eyes of 14 patients by a single surgeon at 1 center. The attempted corrections ranged from -2.8 diopters (D) to -5.5 D. Preoperative and postoperative uncorrected visual acuity (UCVA), best spectacle-corrected visual acuity (BSCVA), predictability, corneal haze, and subjective glare/halo were evaluated over 6 months. Results: At 6 months, UCVA was 20/32 or better in all eyes and at least 20/20 in 14 eyes (73.7%). Two eyes (10.5%) lost 2 or more Snellen lines of BSCVA; postoperative BSCVA was at least 20/25 in 100% of eyes and 20/20 or better in 95.0%. Fifteen eyes (78.9%) were within ±0.5 D of attempted correction, and 19 (100%) were within ±1.0 D. Mean spherical equivalent refraction was -4.62 D preoperatively, +0.15 D at 1 month, -0.09 D at 3 months, and -0.37 D at 6 months. At 6 months, 4 eyes (21.0%) had no corneal haze and 14 (73.7%) had trace subepithelial haze. Fifteen eyes (78.9%) had no glare/halo effect at 6 months, and 4 (21.0%) had minimal glare/halo effect. Conclusions: Clinical outcomes after excimer laser PRK for myopia using an increased repetition rate of 15 Hz were good and similar to those in studies conducted with a 10 Hz repetition rate.

Revue / Journal Title

Journal of cataract and refractive surgery   ISSN 0886-3350   CODEN JCSUEV 

Source / Source

2000, vol. 26, n^o3, pp. 363-368 (20 ref.)

Langue / Language

Anglais

Editeur / Publisher

Elsevier, New York, NY, ETATS-UNIS  (1986) (Revue)

Mots-clés anglais / English Keywords

Photorefractive keratectomy ; Laser ; Excimer ; Myopia ; Treatment ; Human ; Surgery ; Eye disease ; Vision disorder ; Refractive error ;

Mots-clés français / French Keywords

Kératectomie photoréfractive ; Laser ; Excimère ; Myopie ; Traitement ; Homme ; Chirurgie ; Oeil pathologie ; Trouble vision ; Trouble réfraction oculaire ;

Mots-clés espagnols / Spanish Keywords

Queratectomía fotorefractiva ; Laser ; Excímero ; Miopía ; Tratamiento ; Hombre ; Cirugía ; Ojo patología ; Trastorno visión ; Trastorno refracción ocular ;

Localisation / Location

INIST-CNRS, Cote INIST : 20937, 35400008210115.0090