Journal of cataract and refractive surgery · 2004
Visual axis opacification after AcrySof intraocular lens implantation in children.
Клиническое исследованиеСтатьяРандомизированное исследованиеНазвание и аннотация: Перевод в очереди
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Vasavada Abhay R, Trivedi Rupal H, Nath Vandana C
Аннотация
PURPOSE: To evaluate visual axis opacification after AcrySof intraocular lens (IOL) (Alcon) implantation in pediatric eyes.
SETTING: Iladevi Cataract and IOL Research Centre, Ahmedabad, India.
METHODS: This prospective study evaluated 103 consecutive eyes of 72 children with congenital cataract. Two groups were formed based on age at surgery: Group 1, younger than 2 years, and Group 2, older than 2 years. All eyes in Group 1 (n = 37) had primary posterior continuous curvilinear capsulorhexis (PCCC) with anterior vitrectomy. In Group 2 (n = 66), management of the posterior capsule was assigned randomly to no PCCC (Group 2A, n = 37) or PCCC (Group 2B, n = 29). The PCCC group was further randomized into 2 subgroups: no vitrectomy (Group 2BN, n = 14) or vitrectomy (Group 2BV, n = 15). The primary outcome measures were visual axis opacification and the resulting need for a secondary procedure. Statistical analysis was performed using SPSS for Windows (version 11.0.1).
RESULTS: The mean age of the patients was 5.2 years +/- 5.0 (SD) (range 0.2 to 16.0 years) and the mean follow-up, 2.3 +/- 0.9 years (range 1.0 to 4.0 years). Overall, 41 eyes (39.8%) developed visual axis opacification and 14 (13.6%) required secondary intervention. In Group 1, 4 eyes (10.8%) developed visual axis opacification and 3 (8.1%) had a secondary pars plana vitrectomy. In Group 2A, 31 eyes (83.8%) developed posterior capsule opacification (PCO) and 10 eyes (27.7%) had secondary intervention. Children 8 years or younger at the time of surgery developed significantly greater PCO than older children (P =.01). Five eyes (37.5%) in Group 2BN had opacification of the anterior vitreous face, 1 of which required a secondary procedure. One eye (6.7%) in Group 2BV had visual axis opacification that did not require a secondary procedure.
CONCLUSIONS: AcrySof IOL implantation with appropriate management of the posterior capsule maintained a clear visual axis in 60.2% of eyes. Of the 39.8% of eyes with visual axis opacification, 13.6% had visually significant opacification and required a secondary procedure.
SETTING: Iladevi Cataract and IOL Research Centre, Ahmedabad, India.
METHODS: This prospective study evaluated 103 consecutive eyes of 72 children with congenital cataract. Two groups were formed based on age at surgery: Group 1, younger than 2 years, and Group 2, older than 2 years. All eyes in Group 1 (n = 37) had primary posterior continuous curvilinear capsulorhexis (PCCC) with anterior vitrectomy. In Group 2 (n = 66), management of the posterior capsule was assigned randomly to no PCCC (Group 2A, n = 37) or PCCC (Group 2B, n = 29). The PCCC group was further randomized into 2 subgroups: no vitrectomy (Group 2BN, n = 14) or vitrectomy (Group 2BV, n = 15). The primary outcome measures were visual axis opacification and the resulting need for a secondary procedure. Statistical analysis was performed using SPSS for Windows (version 11.0.1).
RESULTS: The mean age of the patients was 5.2 years +/- 5.0 (SD) (range 0.2 to 16.0 years) and the mean follow-up, 2.3 +/- 0.9 years (range 1.0 to 4.0 years). Overall, 41 eyes (39.8%) developed visual axis opacification and 14 (13.6%) required secondary intervention. In Group 1, 4 eyes (10.8%) developed visual axis opacification and 3 (8.1%) had a secondary pars plana vitrectomy. In Group 2A, 31 eyes (83.8%) developed posterior capsule opacification (PCO) and 10 eyes (27.7%) had secondary intervention. Children 8 years or younger at the time of surgery developed significantly greater PCO than older children (P =.01). Five eyes (37.5%) in Group 2BN had opacification of the anterior vitreous face, 1 of which required a secondary procedure. One eye (6.7%) in Group 2BV had visual axis opacification that did not require a secondary procedure.
CONCLUSIONS: AcrySof IOL implantation with appropriate management of the posterior capsule maintained a clear visual axis in 60.2% of eyes. Of the 39.8% of eyes with visual axis opacification, 13.6% had visually significant opacification and required a secondary procedure.