Journal of cataract and refractive surgery · 1996
Predicting the refractive result after cataract surgery.
Сравнительное исследованиеСтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Olsen T
Аннотация
PURPOSE: To study the accuracy of predicting visual results after cataract surgery using a mathematical model of surgically induced refractive change and a previously published regression formula predicting uncorrected visual acuity as a function of the resulting spherocylinder.
SETTING: Outpatient cataract clinic at a university hospital.
METHODS: In this prospective study with a 4 month follow-up, 333 patients had phacoemulsification using a 6 or 4 mm scleral tunnel incision. Final refraction and uncorrected visual acuity were predicted based on preoperative and 1 day postoperative measurements, which were compared with the final visual results.
RESULTS: A significant correlation was found between the observed and the predicted visual acuity in each eye (P < .01).
CONCLUSION: The visual outcome of cataract extraction can be predicted from a theoretical model of the surgically induced refractive change.
SETTING: Outpatient cataract clinic at a university hospital.
METHODS: In this prospective study with a 4 month follow-up, 333 patients had phacoemulsification using a 6 or 4 mm scleral tunnel incision. Final refraction and uncorrected visual acuity were predicted based on preoperative and 1 day postoperative measurements, which were compared with the final visual results.
RESULTS: A significant correlation was found between the observed and the predicted visual acuity in each eye (P < .01).
CONCLUSION: The visual outcome of cataract extraction can be predicted from a theoretical model of the surgically induced refractive change.