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  1. Preliminary results of photorefractive keratectomy in active-duty United States Navy personnel. Discussion.

    Article - En anglais

    Purpose 

    To evaluate the safety, efficacy, and quality of vision after photorefractive keratectomy (PRK) in active-duty military personnel.

    Methods 

    Photorefractive keratectomy (6.0-mm ablation zone) was performed on 30 Navy/Marine personnel (-2.00 to - 5.50 diopters [D] ; mean, - 3.35 D).

    Glare disability was assessed with a patient questionnaire and measurements of intraocular light scatter and near contrast acuity with glare.

    Results 

    At 1 year, all 30 patients had 20/20 or better uncorrected visual acuity with no loss of best-corrected vision.

    By cycloplegic refraction, 53% (16/30) of patients were within ±0.50 D of emmetropia and 87% (26/30) were within ±1.00 D. The refraction (mean ± standard deviation) was+0.45 ± 0.56 D (range, - 1.00 to+1.63 D).

    Four patients (13%) had an overcorrection of more than 1 D. Glare testing in the early (1 month) postoperative period demonstrated increased intraocular light scatter (P<0.01) and reduced contrast acuity (with and without glare, P<0.01).

    These glare measurements statistically returned to preoperative levels by 3 months (undilated) and 12 months (dilated) postoperatively.

    Two patients reported moderate to severe visual symptoms (glare, halo, night vision) worsened by PRK.

    One patient had a decrease in the quality of night vision severe enough to decline treatment in the fellow eye.

    Intraocular light scatter was increased significantly (>2S D) in this patient after the procedure.

    Conclusions 

    Photorefract...

    Mots-clés Pascal : Myopie, Kératectomie, Traitement, Vision, Acuité visuelle, Militaire, Etats Unis, Amérique du Nord, Amérique, Homme, Oeil pathologie, Trouble vision, Trouble réfraction oculaire, Chirurgie

    Mots-clés Pascal anglais : Myopia, Keratectomy, Treatment, Vision, Visual acuity, Military, United States, North America, America, Human, Eye disease, Vision disorder, Refractive error, Surgery

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 96-0121115

    Code Inist : 002B25B. Création : 199608.