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Cataract extraction by phacoemulsification in situ and elliptical intraocular lens implantation
Objective:
To investigate the technique of phacoemulsification in situ for cataract extraction and elliptical intraocular lens (IOL) implantation.
Methods:
60 eyes of 57 cases with cataract were included and the hardness of nucleus was grade-1-2 in 25 eyes, grade-3 in 27 eyes and grade-4 in 8 eyes. Tunnel incision was made and in situ phacoemulsification with elliptical (5 mm x 6 mm) IOL implantation was performed on all the cases.
Results:
Phaco-spent-time was 45 seconds to 3 minutes 45 seconds (average 1 minute 52 seconds). Phacoemulsification in 53 eyes (88.3%) was successful in situ Visual acuities of 0.5 or better and 1.0 or better at postoperative one week were obtained in 75.0% and 56.7%, and at 1-12 month follow-up in 85.0% and 71.7% respectively.
Conclusion:
The technique of phacoemulsification in situ and elliptical IOL implantation is worthy to be spread due to minimum postoperative astigmatism and fast restoration of visual acuity.