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Monocular and binocular end‐points after epiretinal membrane surgery and their correlation to patient‐reported outcomes
Author(s) -
Krarup Therese,
Nisted Ivan,
Christensen Ulrik,
Kiilgaard Jens Folke,
Cour Morten
Publication year - 2020
Publication title -
acta ophthalmologica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.534
H-Index - 87
eISSN - 1755-3768
pISSN - 1755-375X
DOI - 10.1111/aos.14449
Subject(s) - medicine , epiretinal membrane , ophthalmology , visual acuity , chart , spearman's rank correlation coefficient , stereoscopic acuity , metamorphopsia , optometry , correlation , vitrectomy , mathematics , geometry , statistics
Purpose 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: −0.54, 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.