Journal
RETINA-THE JOURNAL OF RETINAL AND VITREOUS DISEASES
Volume 35, Issue 9, Pages 1726-1734Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/IAE.0000000000000608
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- LuEsther T. Mertz Retinal Research Foundation
- Alcon, Japan
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Purpose: To investigate the interactions among drusen type and multimodal vision testing in eyes with nonexudative age-related macular degeneration. Methods: Fifty-one eyes of 39 patients with nonexudative age-related macular degeneration underwent fundus imaging including spectral domain optical coherence tomography, color fundus photograph, and autofluorescence imaging, each of which was graded by 2 masked readers. Multimodal vision testing included visual acuity using the Early Treatment Diabetic Retinopathy Study protocol refraction, contrast sensitivity, and microperimetry. Results: Generalized estimating equation modeling showed that the significant predictors of contrast sensitivity was the presence of pseudodrusen (P = 0.012) and refractive error (P = 0.028). The presence of pseudodrusen inversely correlated with contrast sensitivity. The significant predictors of parafoveal microperimetry score were area of confluent hypoautofluorescence (P = 0.026) and the presence of pseudodrusen (P = 0.027). Both of them showed an inverse correlation with microperimetry score. The only significant predictor of macular microperimetry score was the presence of pseudodrusen (P = 0.004), which showed an inverse correlation with microperimetry score. Conclusion: The analysis of predictors of the visual function highlights the importance of pseudodrusen. Pseudodrusen are not only the risk factor of late age-related macular degeneration but also affect visual function. Recognition of this problem is important for low-vision rehabilitation and therapeutic strategies for late age-related macular degeneration.
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