Abstract
Purpose. Analysis of the functional results of new IOL with an extended depth of focus implantation a in the short-term (6 months) follow-up period. Material and methods. The prospective study included 27 patients (40 eyes) after bilateral (n=12) or monolateral (n=15) implantation of EDOF IOL Tecnis Symfony with an average follow-up period of 6.5±0.2 (6-7) months. In all cases, IOL implantation was preceded by cataract phacoemulsification or removal of the transparent lens for refractive purposes. The age range was from 39 to 78 (60.6±10.1) years. EDOF IOL Tecnis Symfony ZXR00 was implanted in 30 eyes, and toric EDOF IOL Tecnis Symfony ZXT100, ZXT150, ZTX225, and ZXT300 were implanted in 10 eyes in the presence of clinically significant astigmatism. Results. An increase in UCNVA from 0.18±0.04 to 0.79±0.11, UCIVA from 0.21±0.07 to 0.89±0.10, UCDVA from 0.24±0.06 to 0.95±0.16, BCNVA from 0.61±0.05 to 0.80±0.03, BCIVA from 0.58±0.10 to 0.97±0.19, and BCDVA from 0.65±0.08 to 1.0±0.06 (p<0.05 in all cases). The spherical equivalent of refraction decreased from -4.5±1.8 in the preoperative period to -0.18±0.92 in the follow-up period of 6 months after implantation of the Tecnis Symfony ZXR00 IOL. In the group with toric IOLs, a decrease in the cylindrical component of refraction was shown from 1.33±1.02 (modulo) to 0.61±0.44 (modulo) during the maximum observation period. In all cases, the rotational stability of the implanted IOLs was noted. In 9 patients out of 24 (37.5%), permanent or periodic optical phenomena were detected, of which 4 patients (16.7%) had halos, 3 (12.5%) had glare, and 2 (8.3%) had difficulty driving in the dark. These side effects did not affect the overall patient satisfaction – 22 patients (91.7%) rated the result of the operation as "excellent", and 2 patients (8.3%) – as "good". Conclusion. The paper presents an analysis of the first experience in the Russian Federation of implantation of new multifocal and toric IOLs with extended depth of focus in 27 patients. Data on the effectiveness of this IOL for vision correction at all distances, low frequency of side optical phenomena, and high patient satisfaction are presented. Further comparative studies with other multifocal IOLs are needed. Key words: cataract; presbyopia; multifocal IOL; IOL with extended depth of focus; EDOF; Symphony.
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