Refractive Results After Cataract Surgery And Implantation Of A Trifocal Intraocular Lens (Iol) – Model Dfw100-375 Tecnis Synergy Toric
Published 2023 - 41st Congress of the ESCRS
Reference: FP20.09 | Type: Free paper | DOI: 10.82333/9gc7-v472
Authors: Amaia Urkia 1 , Javier Orbegozo 2 , Iñaki Basterra 3 , Sergio Diaz 3 , Helena Noguera 2 , Angelica Perez* 3
1Cornea, cataract and refractive,MIRANZA COI,Bilbao,Spain;Cornea,Galdakao-Usansolo Hospital,Galdakao,Spain, 2Cataract and refractive,MIRANZA COI,Bilbao,Spain, 3MIRANZA COI,Bilbao,Spain
Purpose
An observational and prospective study was carried out to evaluate the effectiveness and safety of a biconvex, anterior toric aspheric surface trifocal IOL with a wavefront design (DFW100-375 Tecnis Synergy toric, J&J).
For this, the main purpose was to study the residual postoperative (postOp) astigmatism after the implantation of this IOL.
The secondary objectives were to analyze the postOp results of uncorrected visual acuity (UCVA) and best corrected visual acuity (BCVA) at different distances, and residual refraction; as well as establishing possible differences in VA depending on the amount of light. The postOp results of the defocus curves and satisfaction in visual quality of patients were also studied.
Setting
Miranza COI, Bilbao. Spain.
Methods
We included 35 eyes of 35 patients over 50 years. All diagnosed with bilateral cataract and corneal astigmatism greater than 1.00 Dp in the preOp period.
Surgeries were performed without complications and the toric IOL was implanted in the lens bag.
Exclusion criteria: other ocular comorbidity, irregular astigmatism, previous refractive surgery, eyes with zonular weakness or previous trauma.
UCVA and BCVA at 4m, 80cm, 40cm and 33cm in photopic and mesopic conditions were reviewed at 1 week, 1 month and 3 months postOp.
At the 3-month visit, a monocular defocus curve was performed at 4m. A binocular defocus curve in patients who had surgery on the leading eye. All patients filled a satisfaction questionnaire in the preOp and at 3 months postOp.
Results
Statistical analysis was performed using SPSS software (version 22.0 SPSS Inc. Chicago, IL, USA).
The mean age was 68.11 years; 8 patients were men and 27 women.
The mean residual spherical equivalent was 0.178 and the cylinder -0.043 at week one; 0.174 and -0.05 at one month; and 0.141 and -0.049 at 3 months postOp; highlighting a cylinder of 0 in 28 of the 35 eyes at 3 months postOp.
Both UCVA and BCVA were better in photopic conditions.
The monocular and binocular defocus curve at 3 months postOp showed an excellent BCVA for all distances. The average score of the CataQuest questionnaire was 2.74 points preOp and 3.92 postOp, reaching a maximum score for reading text on TV and face recognition after the Synergy toric IOL implantation.
Conclusions
The DFW100-375 Tecnis Synergy toric IOL is a safe and stable option. During this study, no IOLs needed to be rotated.
A residual refraction close to 0 has been achieved in a high number of cases.
We know this is a pupil dependent IOL since UCVA and BCVA worsen in mesopic conditions.
Excellent VA is achieved at all distances when emmetropia is achieved.
It is an IOL that is highly dependent on the refractive residual, so it is important to correct all astigmatisms, even if they are small. Since the implantation of low toricity IOLs, we have noticed a greater improvement in patient satisfaction.