The tolerance of anisometropia

Krarup, T; Nisted, Ivan; Christensen, Ulrik; Kiilgaard, Jens Folke; Cour, Morten la

doi:10.1111/aos.14310

Cited by 29 publications

(25 citation statements)

References 33 publications

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“…In this study, we found a high percentage of patients with poor stereoacuity and thus unmeasurable ATR (31% TNO and 47% RAN-DOT). Among the patients with measurable ATR, we found that the proportion of low ATR was significantly higher than that reported in earlier studies examining IOL-induced anisometropic patients (Krarup et al in review;Krarup et al, 2019). Contrary to our expectations, ATR was not correlated with PROs.…”

Section: Discussioncontrasting

confidence: 99%

Monocular and binocular end‐points after epiretinal membrane surgery and their correlation to patient‐reported outcomes

Krarup

Nisted

Christensen

et al. 2020

Acta Ophthalmologica

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This study evaluates current available endpoints for epiretinal membrane (ERM) surgery and examine their correlation to patient reported outcomes (PRO). Methods: Retrospective study including 38 eyes of 38 patients who underwent cataract extraction and subsequent vitrectomy for idiopathic ERM. The fellow eye was phakic with good visual acuity. The registered outcomes were monocular and binocular visual acuity, stereoacuity, M-chart metamorphopsia score, aniseikonia and aniseikonia tolerance range (ATR). Two questionnaires were completed: the convergence insufficiency symptom survey and Visual Function Questionnaire (VFQ-39). Results: Median total aniseikonia was 11% (range 0-35). There was a statistically significant correlation between the mean total M-chart score of the study eye and VFQ-Near (Spearman rho: VFQ-Near: À0.54, p < 0.01). There was no correlation between the best corrected visual acuity (BCVA) of the project eye, binocular BCVA, stereoacuity, ATR or mean total aniseikonia and PRO (Spearman p-values > 0.05). There was no correlation between mean total aniseikonia and mean total M-chart score (Spearman rho: 0.21 p = 0.26). There was a large variation between the mean total M-chart scores and questionnaire results. Conclusion: The mean total M-chart score is currently the best end-points to predict PRO of ERM surgery; however, it is possible to have high M-chart values and have no visual complaints.

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Section: Discussioncontrasting

confidence: 99%

Monocular and binocular end‐points after epiretinal membrane surgery and their correlation to patient‐reported outcomes

Krarup

Nisted

Christensen

et al. 2020

Acta Ophthalmologica

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“…Although a cross-cultural adaptation for the Spanish language has been made using the Rasch method, 52 the original questionnaire 9 was not validated using this method. Several authors have used the CISS for other visual dysfunctions, 53 – 56 but this is not an appropriate approach because a questionnaire should only be used for the specific condition for which it was developed and validated. 57 , 58 In fact, other studies in the literature have reported difficulties when applying the CISS to other visual conditions, different from convergence insufficiency.…”

Section: Discussionmentioning

confidence: 99%

Validation of the Symptom Questionnaire for Visual Dysfunctions (SQVD): A Questionnaire to Evaluate Symptoms of any Type of Visual Dysfunctions

Cacho-Martínez

Cantó-Cerdán

Lara-Lacárcel

et al. 2022

Trans. Vis. Sci. Tech.

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Purpose To assess psychometric properties of the Symptom Questionnaire for Visual Dysfunctions (SQVD) questionnaire, including accuracy, validity, and reliability, in a clinical sample of patients having any type of visual dysfunction. Methods A clinical sample of 306 patients self-administered the SQVD. Rasch analysis was performed to analyze the functionality of the response categories, fit statistics, differential item functioning (DIF), person and item reliability, targeting, local dependency, unidimensionality, and transformation table. Accuracy was assessed by means of receiver operating characteristic (ROC) curves, using symptoms reported in each patient's clinical record as the gold standard for classifying patients with and without symptoms. The concurrent validity, known group validity, and test–retest reliability (repeatability, using the intraclass correlation coefficient [ICC]) were also examined. Results SQVD showed orderly category responses. The 14 items fit the Rasch model without significant DIF for gender, presbyopia, and dysfunctions. Person and item reliabilities were 0.81 and 0.85, respectively. Targeting was –1.49 logits. Yen's Q3 statistic showed no local dependency. SQVD was unidimensional (first contrast of the residual = 1.852 eigenvalue with a variance explained by measures of 52.23%). The area under the ROC curve was 0.836 (95% confidence interval [CI], 0.792–0.879) with a cutoff of ≥6 showing good accuracy (sensitivity = 0.759; specificity = 0.783). SQVD showed good concurrent and known group validity and high repeatability (ICC, 0.857; 95% CI, 0.710–0.933) when administered twice 1 week apart. Conclusions SQVD has shown good psychometric properties. It can be considered an accurate, valid, and reliable questionnaire to detect visual symptoms related to any type of refractive, accommodative, and binocular dysfunction. Translational Relevance SQVD may be used for diagnostic purposes, as it can accurately detect symptoms related to any sort of visual dysfunction. It may also be useful to monitor the treatment outcomes of these conditions.

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“…The CISS is valid tool which is used to discriminate between convergence insufficiency and normal binocular vision in patient-reported outcomes [ 12 ]. It was used with patients with anisometropia or aniseikonia too [ 13 ].…”

Section: Introductionmentioning

confidence: 99%

The Influence of COVID-19 Isolation on Physical Activity Habits and Its Relationship with Convergence Insufficiency

Mon‐López

Bernárdez-Vilaboa

Fernández-Balbuena

et al. 2020

IJERPH

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The purpose of this work is to evaluate the effects of confinement due to COVID-19 isolation on visual function, considering insufficient convergence as one of the possible effects of living the whole day in a reduced space. We pass a Convergence Insufficiency Symptom Survey (CISS) among 235 people to detect their habits before and after 25 confinement days. The data collection protocol consisted on a Google forms questionnaire included two parts: the first with current data (isolation period) and a second with pre-isolation period data. Differences between the pre-isolation and isolation period were calculated using the related paired T-tests. When statistically significant differences were found, the effect size was estimated using the Cohen’s d index (d). The reduction in physical activity levels during confinement were related to the increase in total number of minutes of screen consumption from 433.49 min to 623.97 min per day (d = 0.67; 44.01%). The CISS scores were increased by more than 43% during confinement. The increase in convergence insufficiency was 100% after the studied isolation period of 25 days. The 92.19% increase in television use during 25 days of confinement is not responsible for the increase in convergence insufficiency. However, due to the increase in the use of PCs in this period, there is a notable increase in convergence insufficiency. Therefore, we can conclude that not all increases in tasks with electronic devices are responsible for the increase in convergence insufficiency.

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The tolerance of anisometropia

Cited by 29 publications

References 33 publications

Monocular and binocular end‐points after epiretinal membrane surgery and their correlation to patient‐reported outcomes

Monocular and binocular end‐points after epiretinal membrane surgery and their correlation to patient‐reported outcomes

Validation of the Symptom Questionnaire for Visual Dysfunctions (SQVD): A Questionnaire to Evaluate Symptoms of any Type of Visual Dysfunctions

The Influence of COVID-19 Isolation on Physical Activity Habits and Its Relationship with Convergence Insufficiency

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