Primary Cohort

Participants with baseline visual acuity ETDRS letter score of 54 or more \[approximate Snellen equivalent 20/80 or better\] and stable fixation and clinically determined \[on Octopus 900 Pro\] kinetic visual field III4e area 10° or more in the study eye (primary cohort) will be enrolled into the longitudinal natural history study

Secondary Cohort

Participants with baseline visual acuity ETDRS letter score of 53 or less \[approximate Snellen equivalent 20/100 or worse\] or unstable fixation or clinically determined \[on Octopus 900 Pro\] kinetic visual field III4e area less than 10°in the study eye (secondary cohort) will be enrolled in the cross-sectional baseline study

Virtual Reality (VR) Cohort

A subset of sites participating in the VR ancillary study will complete a feasibility questionnaire, including assessment of available space for running the testing procedures. Selected sites will work with VR vendor to complete installation, training, and certification requirements. Eligible participants will be presented with the opportunity to participate in the RUSH2A Extension Study at sites participating in the VR Ancillary Study.~Participants at VR Sites must consent to the VR Ancillary Study to participate in the RUSH2A Extension Study.