A Study to Evaluate the Usability of the SB11 PFS in Trial Participants With Wet AMD, Macular Oedema Secondary to RVO, or mCNV

Only one eye will be selected as the study eye. Key Inclusion Criteria: * Neovascular AMD, macular oedema secondary to RVO, or mCNV in the study eye * Study eye deemed to be indicated for ranibizumab IVT therapy at the discretion of the ophthalmologist (e.g., retina specialist) Key Exclusion Criteria: * BCVA of the level of Finger Count or worse \[e.g., 0 letter reading using Early Treatment Diabetic Retinopathy Study (ETDRS) chart\] in one or both eyes at Screening or at Day 1 * Treatment with any IVT injection within the 30 days prior to Day 1 in the study eye * Uncontrolled intraocular pressure (IOP) greater than (≥) 25 mmHg in the study eye at Screening or at Day 1 * Treatment with systemic (non-ocular) anti-Vascular Endothelial Growth Factor (anti-VEGF) within 180 days prior to Day 1 * Ocular laser surgery in study eye at any time within the past 30 days prior to Day 1