Abstract:
:Inherited retinal dystrophy (IRD) patients often experience photophobia. However, its mechanism has not been elucidated. This study aimed to investigate the main wavelength of light causing photophobia in IRD and difference among patients with different phenotypes. Forty-seven retinitis pigmentosa (RP) and 22 cone-rod dystrophy (CRD) patients were prospectively recruited. We designed two tinted glasses: short wavelength filtering (SWF) glasses and middle wavelength filtering (MWF) glasses. We classified photophobia into three types: (A) white out, (B) bright glare, and (C) ocular pain. Patients were asked to assign scores between one (not at all) and five (totally applicable) for each symptom with and without glasses. In patients with RP, photophobia was better relieved with SWF glasses {"white out" (p < 0.01) and "ocular pain" (p = 0.013)}. In CRD patients, there was no significant difference in the improvement wearing two glasses (p = 0.247-1.0). All RP patients who preferred MWF glasses had Bull's eye maculopathy. Meanwhile, only 15% of patients who preferred SWF glasses had the finding (p < 0.001). Photophobia is primarily caused by short wavelength light in many patients with IRD. However, the wavelength responsible for photophobia vary depending on the disease and probably vary according to the pathological condition.
journal_name
Sci Repjournal_title
Scientific reportsauthors
Otsuka Y,Oishi A,Miyata M,Oishi M,Hasegawa T,Numa S,Ikeda HO,Tsujikawa Adoi
10.1038/s41598-020-71707-2subject
Has Abstractpub_date
2020-09-09 00:00:00pages
14798issue
1issn
2045-2322pii
10.1038/s41598-020-71707-2journal_volume
10pub_type
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