Canadian journal of ophthalmology. Journal canadien d'ophtalmologie · 2011
Long-term visual acuity and initial postoperative refractive error in pediatric pseudophakia.
СтатьяНазвание и аннотация: Перевод в очереди
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Lowery R Scott, Nick Todd G, Shelton Julie B, Warner David, Green Therese
Аннотация
OBJECTIVE: To examine the long-term best-corrected visual acuity (BCVA) in children who, during the amblyogenic period, underwent cataract extraction with intraocular lens (IOL) implantation and to see if initial postoperative refractive error following cataract extraction correlates with long-term BCVA.
DESIGN: Retrospective chart review.
PARTICIPANTS: Thirty-six eyes of 26 patients were included in the study. At least 2 years of follow-up, an age , 8.5 years at time of IOL implantation, an ability to participate in subjective visual acuity measurement, and an absence of congenital glaucoma and significant trauma were required for inclusion in the study.
METHODS: Retrospective review of pseudophakic patients' charts at a tertiary care centre, with attention to initial and long-term pseudophakic refractive error, long-term BCVA, total myopic shift, length of follow-up, age at IOL implantation, and unilateral or bilateral cataract extraction with IOL implantation.
RESULTS: Initial pseudophakic spherical equivalent (SE) showed a significant nonlinear relationship with most recentBCVAin unilateral cases and no relationship in bilateral cases (interaction p 0.001). Unilateral cases with initial pseudophakic SE between +1.75 D and +5.00 D showed better long-term BCVA than those with values below +1.75 D or above +5.00 D; this was irrespective of the refractive error of their fellow eye.
CONCLUSIONS: In patients receiving lens implants in the first 8 years of life, we recommend aiming for low early postoperative hyperopia, taking into consideration each patient's situation and age.
DESIGN: Retrospective chart review.
PARTICIPANTS: Thirty-six eyes of 26 patients were included in the study. At least 2 years of follow-up, an age , 8.5 years at time of IOL implantation, an ability to participate in subjective visual acuity measurement, and an absence of congenital glaucoma and significant trauma were required for inclusion in the study.
METHODS: Retrospective review of pseudophakic patients' charts at a tertiary care centre, with attention to initial and long-term pseudophakic refractive error, long-term BCVA, total myopic shift, length of follow-up, age at IOL implantation, and unilateral or bilateral cataract extraction with IOL implantation.
RESULTS: Initial pseudophakic spherical equivalent (SE) showed a significant nonlinear relationship with most recentBCVAin unilateral cases and no relationship in bilateral cases (interaction p 0.001). Unilateral cases with initial pseudophakic SE between +1.75 D and +5.00 D showed better long-term BCVA than those with values below +1.75 D or above +5.00 D; this was irrespective of the refractive error of their fellow eye.
CONCLUSIONS: In patients receiving lens implants in the first 8 years of life, we recommend aiming for low early postoperative hyperopia, taking into consideration each patient's situation and age.