Spherical equivalent
Visual performance in cataract patients with low levels of postoperative astigmatism: full correction versus spherical equivalent correction
... using spherical equivalent correction (all P , ...with spherical equivalent correction (at six cycles per degree under mesopic without glare conditions, P = ...
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Investigating the impact of preoperative corneal astigmatism orientation on the postoperative spherical equivalent refraction following intraocular lens implantation
... Results: In eyes with axial lengths greater than 22.0 mm and less than 25.0 mm there was a significant difference between the magnitude of preoperative corneal astigmatism between groups 2 and 3 with 0.827 ± 0.376 D in ...
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VERION vs IOLMaster: Which is More Accurate in Predicting Post-op Spherical Equivalent Outcomes for Phacoemulsification with IOL Implant Surgery?
... length of eyes and therefore requires the axial length from the IOLMaster to be inputted. However, IOLMaster measurement for axial length is well known to be accurate with appropriate calibration and proper ...
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Assessment of the retinal nerve fiber layer in individuals with obstructive sleep apnea
... OSA: obstructive sleep apnea; PSD: pattern standard deviation; RNFL: retinal nerve fiber layer; SAP: standard automated perimetry; SD: standard deviation; SE: spherical equivalent; SLP: [r] ...
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<p>Optimum Refractive Target in Patients with Bilateral Implantation of Extended Depth of Focus Intraocular Lenses</p>
... Patients and Methods: This retrospective, single-center, non-comparative study included 47 patients who had undergone bilateral cataract surgery with implantation of EDOF IOLs (Tecnis Symfony or Tecnis Symfony Toric) ...
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<p>Macular and Retinal Nerve Fibre Layer Thickness in Pregnant Women with Gestational Diabetes Mellitus</p>
... Purpose: The purpose of this study was to evaluate mean macular and RNFL thickness in pregnant women with GDM in a teaching institution in Malaysia. We also analyzed the association of age, HbA1c level, duration of GDM, ...
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Association of ocular biometric parameters with diabetic retinopathy
... In conclusion, no association of spherical equivalent and corneal curvature was observed with the prevalence and severity of diabetic retinopathy. Axial length and anterior chamber depth do not appear to ...
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Accommodative changes after SMILE for moderate to high myopia correction
... The mean age of the patients were 23.34 ± 2.90 years and the mean preoperative manifest refraction spherical equivalent was −5.74 ± 1.98 diopters. At near (33 cm), esophoria > 1 prism diopter (PD) was ...
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Changes in central corneal thickness and refractive error after thin-flap laser in situ keratomileusis in Chinese eyes
... preoperative spherical equivalent (SE) was − ...The spherical equivalent refraction at 6 months postsurgery was close to the predicted value ...
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Corneal ectasia after myopic laser in situ keratomileusis: a long-term study
... best spectacle-corrected visual acuity, treated manifest refractive spherical equivalent, and details of excimer laser ablation. Corneal topography and corneal thickness were analyzed using tomography ...
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Re Evaluation of the Safety of Laser Assisted Subepithelial Keratectomy
... Purpose: Additional analyses of outcomes of laser-assisted subepithelial keratectomy (LASEK) are still necessary to improve the safety of LASEK. Therefore, in our study, outcomes were assessed retrospectively in 561 eyes ...
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Genetic epidemiology of common eye diseases: A twin study
... Table 25 Intraclass correlations within MZ and DZ twin pairs for measures of refractive error 130 Table 26 Model-fitting results for univariate analysis of spherical equivalent, (squar[r] ...
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A case with transient refractive change after removal of pituitary tumor
... the spherical equivalent of the right eye was ...the spherical equivalent of the right eye had changed to ...radius, spherical equivalent, axial length, anterior chamber depth, ...
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Role of corneal biomechanical properties in predicting of speed of myopic progression in children wearing orthokeratology lenses or single-vision spectacles
... Cyl, subjcetive cylinder; SER, spherical equivalent refraction; AL, axial length; CCT, central corneal thickness; CH, corneal hysteresis; CRF, corneal resistant factor; IOPg, intraocula[r] ...
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Optimization of the A Constant for the SRK/T Formula
... postoperative spherical equivalent for each ...the spherical equivalent of the postoperative refraction and the predicted postoperative refraction) using the optimized and manufacturer’s ...
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Visual and subjective outcomes of phototherapeutic keratectomy after Descemet’s stripping endothelial keratoplasty
... Two-tailed Student’s t-tests were used to compare the primary outcome, ie, pre-PTK and post-PTK BCVA, with an alpha of 0.05. Postoperative data points were 1, 3, 6, 12, and 24 months after PTK. Secondary outcomes ...
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Time of maximum cycloplegia after instillation of cyclopentolate 1% in children with brown irises
... Various techniques are available to measure accommoda- tion, including the push-up/push-down test, minus-lenses test, focimetry, and open field autorefractor. One limitation of our study is that we used the ...
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An evaluation of the accuracy of the ORange<sup>®</sup> (Gen II) by comparing it to the IOLMaster<sup>®</sup> in the prediction of postoperative refraction
... Results: There were no statistically significant differences in the mean spherical equivalent refraction from the IOLMaster, ORange Gen II, and 1-month postoperative manifest refraction (IOLMaster −0.40 ...
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Use of loteprednol for routine prophylaxis after photorefractive keratectomy
... refraction spherical equivalent (MRSE), and postoperative outcomes, including uncorrected and corrected distance visual acuity, corneal haze, and elevated intraocular pressure, were compared between the two ...
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Buffering zone of implantable Collamer lens sizing in V4c
... refraction spherical equivalent, BCVA, intraocular pressure, and ECC; characteristics of the implanted ICL including size, power and toricity; ef- fectiveness indexes including the postoperative manifest ...
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