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A Multicentre, Prospective, Longitudinal, Observational Natural History Study to Evaluate Disease Progression in Subjects with Usher Syndrome type 1B (USH1B)

To evaluate the natural progression of disease over time in USH1B patients using visual field testing and best corrected visual acuity.

Long-term effects of preterm birth and retinopathy of prematurity on anatomy and functionality of the eye in adults

Primary Objective: Compare visual acuity between adults born prematurely and adults of general population born at full term.Secondary Objective(s): o Compare other anatomical and functional ocular outcomes (retina, macula thickness, refraction,…