title: Discrimination between the origins and functional implications of haze and halo at night after photorefractive keratectomy.
abstract: A series of 84 eyes with up to -6.00 diopters (D) of myopia were treated by photorefractive keratectomy (PRK) using a 5.00 mm ablation zone. Three months postoperatively, 43 eyes (51%) complained of disturbed night vision, compared to 12 (14%) preoperatively. Ten (12%) had significant problems, ie, interference with driving at night. At 12 months, there were 32 patients (38%) with minor disturbances of night vision, 4 (5%) with significant problems.
authors.affiliation: Department of Ophthalmology, St Thomas Hospital, London, England.
authors.forename: D P
authors.initials: DP
authors.lastname: O'Brart
authors.forename: C P
authors.initials: CP
authors.lastname: Lohmann
authors.forename: F W
authors.initials: FW
authors.lastname: Fitzke
authors.forename: G
authors.initials: G
authors.lastname: Klonos
authors.forename: M C
authors.initials: MC
authors.lastname: Corbett
authors.forename: M G
authors.initials: MG
authors.lastname: Kerr-Muir
authors.forename: J
authors.initials: J
authors.lastname: Marshall
mesh_terms: D001334:Automobile Driving; D003315:Cornea / Q000601:surgery*; D003623:Dark Adaptation; D006801:Humans; D053685:Laser Therapy / Q000009:adverse effects*; D009216:Myopia / Q000601:surgery*; D009755:Night Blindness / Q000209:etiology* / Q000503:physiopathology; D011788:Quality of Life; D014786:Vision Disorders / Q000209:etiology / Q000503:physiopathology*