Abstract
Retinitis pigmentosa and cone/cone-rod dystrophy are inherited retinal diseases characterized by the progressive loss of rod and/or cone photoreceptors. To evaluate the status of rod/cone photoreceptors and visual function, visual acuity and visual field tests, electroretinogram, and optical coherence tomography are typically used. In addition to these examinations, fundus autofluorescence (FAF) has recently garnered attention. FAF visualizes the intrinsic fluorescent material in the retina, which is mainly lipofuscin contained within the retinal pigment epithelium. While conventional devices offer limited viewing angles in FAF, the recently developed Optos machine enables recording of wide-field FAF. With wide-field analysis, an association between abnormal FAF areas and visual function was demonstrated in retinitis pigmentosa and cone-rod dystrophy. In addition, the presence of “patchy” hypoautofluorescent areas was found to be correlated with symptom duration. Although physicians should be cautious when interpreting wide-field FAF results because the peripheral parts of the image are magnified significantly, this examination method provides previously unavailable information.
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Acknowledgment
This study was supported in part by the Japan Ministry of Health, Labor and Welfare (No. 12103069).
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Oishi, A., Oishi, M., Ogino, K., Morooka, S., Yoshimura, N. (2016). Wide-Field Fundus Autofluorescence for Retinitis Pigmentosa and Cone/Cone-Rod Dystrophy. In: Bowes Rickman, C., LaVail, M., Anderson, R., Grimm, C., Hollyfield, J., Ash, J. (eds) Retinal Degenerative Diseases. Advances in Experimental Medicine and Biology, vol 854. Springer, Cham. https://doi.org/10.1007/978-3-319-17121-0_41
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DOI: https://doi.org/10.1007/978-3-319-17121-0_41
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