Journal of cataract and refractive surgery · 2009
Effect of age on changes in anterior chamber depth and volume after laser in situ keratomileusis.
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Nishimura Ryo, Negishi Kazuno, Dogru Murat, Saiki Megumi, Arai Hiroyuki, Toda Ikuko, Yamaguchi Takefumi, Tsubota Kazuo
Аннотация
PURPOSE: To evaluate the effect of age on anterior chamber depth (ACD) and anterior chamber volume (ACV) after laser in situ keratomileusis (LASIK) for myopia.
SETTING: Department of Ophthalmology, Keio University School of Medicine, and a private clinic, Tokyo, Japan.
METHODS: In this retrospective study, patients who had uneventful LASIK for myopia or myopic astigmatism were divided into 2 groups: younger (younger than 40 years) and older (40 years and older). Central corneal thickness, central corneal true net power, ACV, and central ACD were measured using a rotating Scheimpflug camera preoperatively and 1 month postoperatively. These parameters were compared between the 2 groups.
RESULTS: The study evaluated 161 eyes of 83 patients (mean age 34.5 years +/- 8.3 [SD]). The decreases in central ACD and ACV after LASIK were statistically significant in the younger group (P<.0001 and P = .0050, respectively) but not in the older group.
CONCLUSION: Central ACD and the ACV decreased significantly after LASIK in younger patients (<40 years) but not in older patients, indicating that age influences changes in ACD and ACV after LASIK.
SETTING: Department of Ophthalmology, Keio University School of Medicine, and a private clinic, Tokyo, Japan.
METHODS: In this retrospective study, patients who had uneventful LASIK for myopia or myopic astigmatism were divided into 2 groups: younger (younger than 40 years) and older (40 years and older). Central corneal thickness, central corneal true net power, ACV, and central ACD were measured using a rotating Scheimpflug camera preoperatively and 1 month postoperatively. These parameters were compared between the 2 groups.
RESULTS: The study evaluated 161 eyes of 83 patients (mean age 34.5 years +/- 8.3 [SD]). The decreases in central ACD and ACV after LASIK were statistically significant in the younger group (P<.0001 and P = .0050, respectively) but not in the older group.
CONCLUSION: Central ACD and the ACV decreased significantly after LASIK in younger patients (<40 years) but not in older patients, indicating that age influences changes in ACD and ACV after LASIK.