Abstract
Purpose: Adaptive optics scanning laser ophthalmoscopy (AOSLO) allows en face visualization of specific layers of the retina. This pilot study evaluated the ability of AOSLO to visualize photoreceptor integrity in patients with birdshot chorioretinopathy (BCR).Method: A total of 16 consecutive patients with HLA-A29+ BCR were imaged using the prototype Apaeros retinal imaging system. Images of high quality were aligned with infrared reflectance photos and correlated with spectral domain optical coherence tomography (SD-OCT).Results: Images of four eyes of three patients were of sufficient quality to allow posterior pole montage and point-to-point correlation with SD-OCT. Areas of photoreceptor disruption on SD-OCT were seen as patchy areas of loss on AOSLO, whereas areas of intact interdigitation zone and inner segment/outer segment junction correlated with normal appearing photoreceptors on AOSLO.Conclusions: Using AOSLO, we found one instance of subclinical photoreceptor disruption not seen on SD-OCT. Ultimately, there are unique challenges associated with imaging BCR patients using AOSLO.
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