[Zhonghua yan ke za zhi] Chinese journal of ophthalmology · 2013
[Pseudo-accommodation with accommodating intraocular lens in patients at different ages].
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Lan Jie, Huang Yu-sen, Han Dong-sheng, Dai Yun-hai, Wu Xiao-ming, Xie Li-xin
Аннотация
OBJECTIVE: To compare the clinical performances of patients in different ages with implantation of a accommodating IOLs.
METHODS: It was a retrospective study. Forty-seven eyes (47 patients) were enrolled in 3 groups for phacoemulsification and a accommodating IOL implantation. According to their ages, they were divided into 3 groups: ≤ 45 years, 46 - 59 years, and ≥ 60 years. Parameters analyzed after more than 3 months postoperation were uncorrected distance, best-corrected distance, uncorrected near, and distance-corrected near visual acuities; changes of anterior chamber depth(ACD) during accommodative measured using the ultrasound biomicroscopy (UBM);changes of ACD by instilling 2% pilocarpine using the A-ultrasonic scan; and the amplitude of accommodation using the pushing-up test.
RESULTS: No significant difference was observed between distance and near visual acuities of IOL groups. The mean changes of ACD measured with UBM in the group of ≤ 45 years [(0.16 ± 0.12) mm] was significantly higher than the other age groups [46 - 59 years, (0.06 ± 0.06) mm, P = 0.00; ≥ 60 years, (0.07 ± 0.05) mm, P = 0.008)]. The mean changes of ACD stimulated by pilocarpine measured with A-ultrasonic scan in the group of ≥ 60 years [(0.17 ± 0.14) mm] was significantly lower than the other age groups [≤ 45 years, (0.68 ± 0.44) mm, P = 0.00; 46 - 59 years, (0.43 ± 0.20) mm, P = 0.00]. The accommodative amplitude of the ≥ 60 years groups ((2.32 ± 0.88) D) was lower than the group of ≤ 45 years [(2.87 ± 0.52) D, P = 0.005].
CONCLUSIONS: The accommodative amplitude of patients implanted with accommodating IOLs stepped down following the increase of age. However, no statistical differences were found in distance and near visual acuities between the different age groups.
METHODS: It was a retrospective study. Forty-seven eyes (47 patients) were enrolled in 3 groups for phacoemulsification and a accommodating IOL implantation. According to their ages, they were divided into 3 groups: ≤ 45 years, 46 - 59 years, and ≥ 60 years. Parameters analyzed after more than 3 months postoperation were uncorrected distance, best-corrected distance, uncorrected near, and distance-corrected near visual acuities; changes of anterior chamber depth(ACD) during accommodative measured using the ultrasound biomicroscopy (UBM);changes of ACD by instilling 2% pilocarpine using the A-ultrasonic scan; and the amplitude of accommodation using the pushing-up test.
RESULTS: No significant difference was observed between distance and near visual acuities of IOL groups. The mean changes of ACD measured with UBM in the group of ≤ 45 years [(0.16 ± 0.12) mm] was significantly higher than the other age groups [46 - 59 years, (0.06 ± 0.06) mm, P = 0.00; ≥ 60 years, (0.07 ± 0.05) mm, P = 0.008)]. The mean changes of ACD stimulated by pilocarpine measured with A-ultrasonic scan in the group of ≥ 60 years [(0.17 ± 0.14) mm] was significantly lower than the other age groups [≤ 45 years, (0.68 ± 0.44) mm, P = 0.00; 46 - 59 years, (0.43 ± 0.20) mm, P = 0.00]. The accommodative amplitude of the ≥ 60 years groups ((2.32 ± 0.88) D) was lower than the group of ≤ 45 years [(2.87 ± 0.52) D, P = 0.005].
CONCLUSIONS: The accommodative amplitude of patients implanted with accommodating IOLs stepped down following the increase of age. However, no statistical differences were found in distance and near visual acuities between the different age groups.