Abstract
Objective To observe the efficacy and rotational stability of AcrySof Toric lens(IOL)implantation; To explore ways to reduce postoperative astigmatism axis deviation,Methods This prospective observational study included 120 eyes from 120 consecutive patients,who were randomly divided into two groups.60 cases in group A were implanted with the AcrySof Toric IOL,another 60 cases(group B)were implanted with the monofocal classic IOL,the AcrySof SA60AT.Outcomes of uncorrected visual acuity (UCVA),total astigmatism and[OL rotation after 3 months and 6 months follow-up were evaluated respectively.Visual acuity of patients in the two groups were analyzed and compared.The lens stability in the capsular bag and ways to reduce postoperative astigmatism axis deviation were assessed.Results All the patients had improved visual acuity after surgery.The UCVA after 3 months follow-up was 0.78 ± 0.15 in group A,and 0.53 ± 0.11 in group B.The UCVA after 6 months follow-up was 0.73 ± 0.16 in group A,and 0.51±0.12 in group B.There were significant differences between the two groups among the follow-up times(P ＜ 0.05).The visual acuity of group A patients improved was better than that of group B.The total astigmatism of group A reduced from 2.07D to 0.67D after 6 months follow-up.There was no significant improvement compared with preoperative in group B.The mean rotation of IOL in group A was(3.66 ± 2.81)°after 3 months follow-up,and(3.65 ± 2.74)°alter 6 months follow-up.There was no significant difference between the two foLlow-up times(P ＞ 0.05).Conclusion The AcrySof of Toric IOL can significantly reduce postoperative astigmatism.It can make cataract patients with corneal regular astigmatism get a good visual effects.It has good rotational stability.The reasons for axial astigmatism deviation were closely related to the manipulation of the surgeon. Key words: AcrySof Tofic IOL; Astigmatism,corneal,regular; Rotation; Astigmatism axis
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