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Clinical features and visual function in a patient with Fish-eye disease: Quantitative measurements and optical
Masanori Kanai1, Shizuka Koh1,2, Daisaku Masuda3
1Department of Ophthalmology, Osaka University Graduate School of Medicine, Osaka, Japan.
Purpose:
We describe a case of fish-eye disease (FED) where the clinical features and visual function were investigated using anterior segment optical coherence tomography (OCT) and quantitative measurements.
Observations:
A 36-year-old Japanese woman with FED presented with bilateral corneal opacities and visual complaints. Both contrast sensitivity and straylight were measured and OCT imaging was performed. Contrast sensitivity and straylight measurements revealed remarkably decreased visual function, despite good visual acuity. OCT demonstrated homogenously hyper-reflective corneal opacification, and a normal total corneal thickness.
Conclusions And Importance:
The findings from this case suggest that OCT is useful for analyzing the clinical features of FED, and that the quantitative measurement of visual function furthers the understanding of vision-related symptoms in FED, despite good visual acuity.
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