Hypermetropia-succeeded myopia after hyperbaric oxygen therapy.
A 58-year-old man presented with a change in vision during hyperbaric oxygen (HBO) therapy. Subsequent follow-up visits showed a hypermetropic shift, which succeeded the myopic shift after each of two series of HBO treatments. The maximal refractive amplitude was 3.00 D (range -1.37 D to +1.62 D) in the right eye and 2.75 D (range -1.25 D to + 1.50 D) in the left eye. Refraction stabilized after 1.5 years at +0.62 D and +0.50 D to pretreatment values in the right and left eye, respectively. The findings are discussed with regard to possible changes in the structure of the lens.
Department of Hyperbaric Medicine, Haukeland University Hospital, Haukeland, Norway. knut.evanger@essilor.no
Knut
K
Evanger
Olav H
OH
Haugen
Leif
L
Aanderud
Einar
E
Thorsen
Barbara K
BK
Pierscionek
D005500:Follow-Up Studies; D006801:Humans; D006931:Hyperbaric Oxygenation / Q000009:adverse effects*; D006956:Hyperopia / Q000209:etiology* / Q000503:physiopathology; D008297:Male; D008875:Middle Aged; D009216:Myopia / Q000503:physiopathology*; D012029:Refraction, Ocular / Q000502:physiology