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- W4256297877 abstract "Abstract Background: To report the prevalence of ocular abnormalities and investigate visual acuity in a large Western China cohort of retinitis pigmentosa (RP) patients. Methods: A retrospective study was performed, reviewing the medical records and ophthalmic examination reports of 2,127 eyes from 1,065 RP patients in one eye hospital. The authors investigated the prevalence of ocular abnormalities and the relationship between best corrected visual acuity (BCVA) and macular abnormalities. Results: Nyctalopia (58.2%) and blurred vision (27.1%) were the leading consultation causes. BCVA measurements in the better eyes at first clinical presentation showed that 304 patients (28.5%) were categorised as blind and 220 patients (20.7%) as low vision. The most common ocular abnormalities were cataracts (43.1%) and macular abnormalities (59.7%), including epiretinal membranes (51.1%), cystoid macular oedema (18.4%), vitreomacular traction syndrome (2.4%), macular holes (2.3%) and choroidal neovascular membranes (0.05%). Glaucoma was found in 35 eyes (1.6%). The proportions of epiretinal membranes ( P = 0.001) and macular holes ( P = 0.008) increased significantly with age. The proportions of vitreomacular traction syndrome ( P = 0.003) and epiretinal membranes ( P < 0.001) in pseudophakia and aphakia eyes were significantly higher than in eyes that had not received operations (including cataracts and clear lens). Cystoid macular oedema was significantly associated with poorer visual acuity in RP patients with clear lens ( P = 0.002). Conclusion: Cataracts and macular abnormalities are common in RP patients. In the macular abnormalities, cystoid macular oedema may have a negative effect on BCVA in RP patients with clear lens." @default.
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- W4256297877 date "2020-09-01" @default.
- W4256297877 modified "2023-09-30" @default.
- W4256297877 title "Ocular abnormalities in a large Western China patient cohort with Retinitis Pigmentosa" @default.
- W4256297877 doi "https://doi.org/10.21203/rs.3.rs-63600/v1" @default.
- W4256297877 hasPublicationYear "2020" @default.
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