Yusuf Berk Akbas, Cengiz Gul, Muzaffer Said Guler, Yusuf Yildirim
{"title":"Changes in Corneal Higher Order Aberrations Following Cataract Surgery With Different Incision Sites: A Prospective, Randomized Study.","authors":"Yusuf Berk Akbas, Cengiz Gul, Muzaffer Said Guler, Yusuf Yildirim","doi":"10.3928/1081597X-20240913-02","DOIUrl":"https://doi.org/10.3928/1081597X-20240913-02","url":null,"abstract":"<p><strong>Purpose: </strong>To compare the effect of superior and temporal clear corneal incisions, regardless of the steep axis, on postoperative changes in corneal higher order aberrations (HOAs) in patients with healthy corneas and mild preoperative corneal astigmatism.</p><p><strong>Methods: </strong>In this prospective cohort study, the right eyes of study participants were randomly assigned to one of two groups prior to cataract surgery: temporal incision (TI) and superior incision (SI). Preoperatively and 6 weeks after surgery, measurements were taken of corneal HOAs over a 6-mm optical zone.</p><p><strong>Results: </strong>The study included 102 eyes (50 eyes in the TI group and 52 eyes in the SI group) that underwent routine phacoemulsification using a 2.4-mm clear corneal incision. Significant changes in vertical coma (<i>P</i> = .019), horizontal coma (<i>P</i> = .042), and vertical trefoil (<i>P</i> = .001) were observed in the SI group. In the subgroup analysis of the SI group, significant changes in vertical coma (<i>P</i> = .025) and vertical trefoil (<i>P</i> = .047) were observed in the eyes with preoperative with-the-rule corneal astigmatism, and significant changes in horizontal coma (<i>P</i> = .038) were observed in eyes with preoperative against-the-rule corneal astigmatism. The TI group showed no significant difference between the preoperative and postoperative periods.</p><p><strong>Conclusions: </strong>The SI induced vertical and horizontal coma in accordance with the preoperative axis of the steep meridian. These alterations in corneal HOAs may affect the quality of vision after surgery. TI may potentially provide an advantage over SI in terms of corneal HOAs. <b>[<i>J Refract Surg</i>. 2024;40(11):e792-e796.]</b>.</p>","PeriodicalId":16951,"journal":{"name":"Journal of refractive surgery","volume":"40 11","pages":"e792-e796"},"PeriodicalIF":2.9,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142622539","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Comparison of Subjective and Wavefront-Measured Refractions by InnovEyes Platform in Myopic Patients.","authors":"Yuexin Wang, Ningkai Tang, Zhixin Duan, Yu Zhang, Yifei Yuan, Yan Liu, Shuo Yu, Ziyuan Liu, Yueguo Chen","doi":"10.3928/1081597X-20241002-04","DOIUrl":"https://doi.org/10.3928/1081597X-20241002-04","url":null,"abstract":"<p><strong>Purpose: </strong>To compare the subjective refraction and Innov-Eyes (Alcon Laboratories, Inc) wavefront-measured refraction in patients with myopia and astigmatism before refractive surgery.</p><p><strong>Methods: </strong>Consecutive myopic patients planning to receive refractive surgery with ages between 18 and 50 years old were retrospectively enrolled. The subjective and wavefront-measured refraction (InnovEyes platform) were compared, and the influential factors for the measurement difference were analyzed.</p><p><strong>Results: </strong>Of the 500 eyes enrolled, the mean age was 29.3 ± 6.8 years. Mean wavefront-measured refraction was 0.58 ± 0.62 diopters (D) more myopic and 0.10 ± 0.27 D more astigmatic than subjective refraction (<i>P</i> < .001). Wavefront-measured refraction exhibited excellent consistency and significant correlation with subjective refraction. Linear regression demonstrated that age (<i>P</i> = .008) and wavefront-measured sphere standard deviation (<i>P</i> < .001) were positively correlated with spherical measurement difference, and total quality score (<i>P</i> < .001) and accommodative response (binocular cross-cylinder) (<i>P</i> = .011) demonstrated a negative correlation with spherical and cylindrical measurement difference. The patients with low wavefront measurement quality had significantly greater spherical differences than those with high-quality measurement (<i>P</i> < .001). The patients with accommodative lead had greater spherical equivalent differences than other participants (<i>P</i> = .047).</p><p><strong>Conclusions: </strong>Wavefront-measured refraction had excellent consistency with subjective refraction, although it measured more myopia and astigmatism than subjective refraction. The spherical measurement difference was greater in older patients and those with accommodative lead. More stable and higher quality repeated measurements will yield closer results between wavefront-measured and subjective refraction. <b>[<i>J Refract Surg</i>. 2024;40(11):e836-e844.]</b>.</p>","PeriodicalId":16951,"journal":{"name":"Journal of refractive surgery","volume":"40 11","pages":"e836-e844"},"PeriodicalIF":2.9,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142622597","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Maximilian K Köppe, Gerd U Auffarth, Hyeck-Soo Son, Timur M Yildirim, Ramin Khoramnia
{"title":"Evaluation of Long-term Rotational Stability and Functional Performance of Two Toric Multifocal IOL Models Beyond 5 Years.","authors":"Maximilian K Köppe, Gerd U Auffarth, Hyeck-Soo Son, Timur M Yildirim, Ramin Khoramnia","doi":"10.3928/1081597X-20241002-05","DOIUrl":"https://doi.org/10.3928/1081597X-20241002-05","url":null,"abstract":"<p><strong>Purpose: </strong>To assess visual outcomes and stability of lens alignment more than 3 years after implanting either the AT Lisa Tri Toric (Carl Zeiss Meditec) or the Acrysof IQ Restor Toric (Alcon Laboratories, Inc) intraocular lens (IOL).</p><p><strong>Methods: </strong>Patients who had received either the AT Lisa Tri Toric or the Acrysof IQ Restor Toric IOL were included in the study. The average follow-up period was 5.4 years for the AT Lisa Tri Toric group and 7.9 years for the Acrysof IQ Restor group. The examinations covered included: subjective refraction, monocular and binocular corrected and uncorrected visual acuity at far (4 m), intermediate (75 cm), and near (40 cm) distances, binocular best-corrected defocus curve analysis (4 m), contrast sensitivity evaluation, assessment of IOL axial position, and presence of positive dysphotopsia.</p><p><strong>Results: </strong>A total of 42 eyes were evaluated. Both groups exhibited good long-term lens axial stability. The AT Lisa Tri Toric group had a mean misalignment of 4.8 ± 3.2° from the preoperatively determined axis, whereas the Acrysof IQ Restor Toric group had an average misalignment of 5.4 ± 4.5° (no statistically significant difference, <i>P</i> = .578). Mean achieved spherical equivalent was -0.19 ± 0.36 diopters (D) for the AT Lisa Tri Toric group and 0.15 ± 0.39 D for the Acrysof IQ Restor Toric group. In the AT Lisa Tri Toric group, 18 eyes (72%) achieved an uncorrected distance visual acuity of 0.10 logarithm of the minimum angle of resolution (20/25 Snellen) or better, compared to 15 eyes (88%) in the Acrysof IQ Restor Toric group. Overall, 21 eyes (84%) in the AT Lisa Tri Toric group and 14 eyes (83%) in the Acrysof IQ Restor Toric group achieved a postoperative spherical equivalent refraction between -0.50 and +0.50 D.</p><p><strong>Conclusions: </strong>Both the AT Lisa Tri Toric and the Acrysof IQ Restor Toric IOLs showed good long-term stability and functional outcomes. They proved to be effective options for restoring vision at far, intermediate, and near distances, providing a viable solution for presbyopia correction even several years after implantation. <b>[<i>J Refract Surg</i>. 2024;40(11):e845-e853.]</b>.</p>","PeriodicalId":16951,"journal":{"name":"Journal of refractive surgery","volume":"40 11","pages":"e845-e853"},"PeriodicalIF":2.9,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142622604","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Visual Outcomes After Cataract Surgery With the Light Adjustable Lens in Japanese Patients With and Without Prior Corneal Refractive Surgery.","authors":"Kei Ichikawa, Yukihiro Sakai, Hiroto Toda, Yukihito Kato, Kazuo Ichikawa","doi":"10.3928/1081597X-20241002-03","DOIUrl":"10.3928/1081597X-20241002-03","url":null,"abstract":"<p><strong>Purpose: </strong>To describe Light Adjustable Lens (RxSight, Inc) (LAL) visual and refractive outcomes in a Japanese patient population with and without prior refractive surgery.</p><p><strong>Methods: </strong>In this retrospective chart review of patients with cataract in a private eye clinic, 34 eyes from 21 patients underwent cataract surgery with LAL implantation. Eyes underwent light treatment to adjust the patients' refraction after implantation to meet individual visual goals. Standard visual and refractive outcomes were collected. Contrast sensitivity (to assess quality of vision), clinical defocus and vergence curves (to assess range of vision), and patient satisfaction were also collected.</p><p><strong>Results: </strong>The mean prediction error of the light adjustment was -0.04 ± -0.48. Thirty-one eyes (91%) and 33 eyes (97%) were within ±0.25 and ±0.50 diopters (D) of manifest spherical equivalent target, respectively. Thirty-two eyes (94%) had residual refractive cylinder of 0.50 D or less. The full depth of focus was 3.68 D. Monocular contrast sensitivity shows frequencies equivalent to a normal population aged 50 to 60 years. The mean satisfaction score was 8.8 (scale: 1 to 10). There were no adverse events and no eyes lost corrected distance visual acuity from the light treatment.</p><p><strong>Conclusions: </strong>LALs in cataract refractive surgery hold great promise, including for the Japanese population, which have unique ocular biometrics. By providing a safe procedure and the ability for postoperative adjustments, the LAL provided a tailored approach to vision correction, ultimately improving patient outcomes and satisfaction. <b>[<i>J Refract Surg</i>. 2024;40(11):e854-e862.]</b>.</p>","PeriodicalId":16951,"journal":{"name":"Journal of refractive surgery","volume":"40 11","pages":"e854-e862"},"PeriodicalIF":2.9,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142622666","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Arthur B van den Berg, Roberta M van den Berg, Karolinne M Rocha, Wallace Chamon, George O Waring
{"title":"Reading Performance Following Contralateral Implantation of an Extended Depth of Focus (EDOF) IOL and a Hybrid EDOF Multifocal IOL.","authors":"Arthur B van den Berg, Roberta M van den Berg, Karolinne M Rocha, Wallace Chamon, George O Waring","doi":"10.3928/1081597X-20240909-01","DOIUrl":"https://doi.org/10.3928/1081597X-20240909-01","url":null,"abstract":"<p><strong>Purpose: </strong>To assess objective reading performance at intermediate and near distances using the Salzberg Reading Desk (SRD) (SRD Vision) in patients with cataract who underwent the implantation of a diffractive extended depth of focus intraocular lens (EDOF IOL) in the dominant eye and a hybrid multifocal EDOF IOL in the non-dominant eye.</p><p><strong>Methods: </strong>This prospective, non-comparative, interventional study included 46 eyes of 23 patients with cataract who underwent bilateral cataract surgery with implantation of the DFR00V Tecnis Synergy IOL (Johnson & Johnson Surgical Vision) in the non-dominant eye and the DXR00V Tecnis Symfony OptiBlue IOL (Johnson & Johnson Surgical Vision) in the dominant eye. At postoperative 6 months, the Salzburg Reading Desk was used to assess distance-corrected reading performance at near and intermediate distances.</p><p><strong>Results: </strong>Although the monocular reading acuity at the preferred intermediate distance was statistically significantly better in the eyes implanted with the DXR00V IOL, it was better with the DFR00V IOL at preferred near distances. The mean binocular distance-corrected preferred intermediate and near reading acuity was 0.07 ± 0.09 (20/23) and 0.13 ± 0.09 (20/27) logarithm of the minimum angle of resolution, respectively. Other parameters of reading performance, such as reading speed, reading distance, reading time, and smallest scale log print size, were similar between the two IOL groups when assessed monocularly.</p><p><strong>Conclusions: </strong>Implanting a DFR00V IOL in the non-dominant eye and a diffractive DXR00V IOL in the dominant eye resulted in excellent binocular reading acuity and speed at intermediate and near distances. <b>[<i>J Refract Surg</i>. 2024;40(11):e778-e782.]</b>.</p>","PeriodicalId":16951,"journal":{"name":"Journal of refractive surgery","volume":"40 11","pages":"e778-e782"},"PeriodicalIF":2.9,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142622579","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Suphi Taneri, Samuel Arba-Mosquera, Anika Förster, H Burkhard Dick
{"title":"Predictability of Keratorefractive Lenticule Extraction Is Equal to Variance of Preoperative Manifest Refraction Measurement.","authors":"Suphi Taneri, Samuel Arba-Mosquera, Anika Förster, H Burkhard Dick","doi":"10.3928/1081597X-20240917-02","DOIUrl":"https://doi.org/10.3928/1081597X-20240917-02","url":null,"abstract":"<p><strong>Purpose: </strong>To compare variance of manifest refraction (MR) measurement and variance of refractive outcomes after keratorefractive lenticule extraction (KLEx) in the same cohort.</p><p><strong>Methods: </strong>This was a retrospective study of consecutive patients attending at least three preoperative refractions before undergoing KLEx. All manifest refractions were performed according to a standard protocol. Additionally, automated refraction, spectacles prescription, wavefront refraction, and tomography/topography were also considered when determining the treatment refraction. Variance of postoperative outcomes was compared to variance of MR measurement.</p><p><strong>Results: </strong>The difference in MR of 153 eyes between the first and last preoperative visit showed a mean pairwise absolute difference of 0.22 ± 0.22 diopters (D) (range: 0.00 to 1.25 D) in spherical equivalent (SE). The 95% limit of agreement (LoA) was within 0.73 D for sphere, 0.60 D for cylinder, and 0.61 D for SE. Standard deviation (SD) for corrected distance visual acuity (CDVA) was 0.06 logarithm of the minimum angle of resolution (logMAR) and the 95% LoA was within 1.3 Snellen lines. The differences between reproducibility of the two last preoperative MR and the variance of postoperative outcomes after KLEx (ie, the isolated repeatability of corneal lenticule extraction) was SD of 0.13 D for sphere, cylinder, and SE, and 11 degrees in axis, respectively.</p><p><strong>Conclusions: </strong>Predictability of KLEx was equal to variance of refraction measurement. Isolated repeatability of the laser treatment was better than the reproducibility of MR. Thus, the authors have shown for the first time that precision of KLEx has reached such a level today that further improvement is limited by MR measurements. <b>[<i>J Refract Surg</i>. 2024;40(11):e814-e823.]</b>.</p>","PeriodicalId":16951,"journal":{"name":"Journal of refractive surgery","volume":"40 11","pages":"e814-e823"},"PeriodicalIF":2.9,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142622558","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
John Vukich, Satish Modi, Bret L Fisher, Karl Stonecipher, Ling Lin, Magda Michna
{"title":"Clinical Comparison of a Small-Aperture Intraocular Lens Versus a Monofocal Control.","authors":"John Vukich, Satish Modi, Bret L Fisher, Karl Stonecipher, Ling Lin, Magda Michna","doi":"10.3928/1081597X-20240731-02","DOIUrl":"https://doi.org/10.3928/1081597X-20240731-02","url":null,"abstract":"<p><strong>Purpose: </strong>To evaluate range of visual acuity, visual quality, and safety of the IC-8 small-aperture (SA) intraocular lens (IOL) (Apthera; Bausch & Lomb, Inc) in patients with cataract.</p><p><strong>Methods: </strong>This was a prospective, multicenter, open-label, parallel-group, non-randomized, examiner-masked, 12-month clinical study conducted at 21 sites in the United States. Included patients (N = 453) received either the SA IOL (targeted to -0.75 diopters) in one eye and a monofocal or monofocal toric IOL (targeted to plano) in the fellow eye (SA IOL group, n = 343) or bilateral monofocal/monofocal toric IOLs (control group, n = 110).</p><p><strong>Results: </strong>At 6 months, the SA IOL group achieved superior binocular uncorrected intermediate and near visual acuity (<i>P</i> < .0001) and equivalent binocular uncorrected distance visual acuity versus the control group. In SA IOL eyes, 99.1% achieved monocular corrected distance visual acuity of 0.3 logarithm of the minimum angle of resolution or better. The SA IOL and control groups had comparable binocular photopic and mesopic contrast sensitivities at 6 months both with and without glare. The SA IOL group reported few visual symptoms overall, although at higher rates than in the control group.</p><p><strong>Conclusions: </strong>The SA IOL group exhibited improved intermediate and near vision, comparable distance vision and binocular contrast sensitivities, and few visual symptoms or adverse events versus the bilateral monofocal/monofocal toric IOL group, suggesting that the SA IOL is an effective option for presbyopia correction at the time of cataract surgery. <b>[<i>J Refract Surg</i>. 2024;40(11):e824-e835.]</b>.</p>","PeriodicalId":16951,"journal":{"name":"Journal of refractive surgery","volume":"40 11","pages":"e824-e835"},"PeriodicalIF":2.9,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142622589","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Ray-tracing-Guided or Q-Value-Adjusted FS-LASIK for Correction of Myopia and Myopic Astigmatism: A Comparative Contralateral Eye Study.","authors":"Yifei Yuan, Ruiyu Zhang, Zizhen Wang, Yuexin Wang, Yu Zhang, Yueguo Chen","doi":"10.3928/1081597X-20240917-01","DOIUrl":"https://doi.org/10.3928/1081597X-20240917-01","url":null,"abstract":"<p><strong>Purpose: </strong>To compare the safety and efficacy of individualized ray-tracing-guided femtosecond laser-assisted in situ keratomileusis (FS-LASIK) for correction of myopia and myopic astigmatism.</p><p><strong>Methods: </strong>This prospective, randomized, double-blind, contralateral eye study included 68 eyes of 34 patients with myopia or myopic astigmatism requiring FS-LASIK treatment. For each patient, one eye was randomly assigned to receive the ray-tracing-guided treatment, whereas the contralateral eye underwent Q-value-adjusted ablation. Uncorrected distance visual acuity (UDVA), corrected distance visual acuity (CDVA), manifest refraction spherical equivalent (MRSE), sphere, cylinder, effective optical zone (EOZ), and 6-mm corneal aberrations were measured and analyzed before operation and after a 3-month postoperative follow-up.</p><p><strong>Results: </strong>At 3 months postoperatively, the UDVA of 20/16 or better was measured in 94% of eyes in the ray-tracing group and 85% of eyes in the Custom-Q group (<i>P</i> = .064). Forty-seven percent in the ray-tracing group and 32% in the Custom-Q group gained one or more Snellen lines of CDVA (<i>P</i> = .043). The MRSE, refractive astigmatism, surgically induced astigmatism, and difference vector were better in the Custom-Q group (<i>P</i> < .05). The postoperative corneal HOAs and optical path difference were significantly better in the ray-tracing group (<i>P</i> = .008). The EOZs of the ray-tracing and Custom-Q groups were 5.77 and 5.43 mm (<i>P</i> < .001), and the average ablation depths of the ray-tracing and Custom-Q groups were 100.97 and 85.24 µm (<i>P</i> < .001), respectively.</p><p><strong>Conclusions: </strong>Despite the overcorrection and excessive ablation of corneal tissue, ray-tracing-guided FS-LASIK in clinical practice was found to be safe and effective for myopic correction both with and without astigmatism, particularly in achieving UDVA and inducing fewer corneal HOAs and less OPD. <b>[<i>J Refract Surg</i>. 2024;40(11):e804-e813.]</b>.</p>","PeriodicalId":16951,"journal":{"name":"Journal of refractive surgery","volume":"40 11","pages":"e804-e813"},"PeriodicalIF":2.9,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142622578","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}