Ocular Safety and Usability Study for FYB201 PFS

Inclusion Criteria: 1. Study eye deemed to be indicated for ranibizumab intravitreal injection therapy at the discretion of the Investigator. 2. Written and signed informed consent form (ICF) obtained before any study-related procedures are performed. 3. Have a confirmed diagnosis in one or both eyes of Neovascular (Wet) Age-Related Macular Degeneration (AMD) or Macular Edema Following Retinal Vein Occlusion (RVO). 4. Qualifies for treatment with ranibizumab-eqrn according to the USPI. 5. Aged ≥18 years at the time of signing ICF. 6. If a subject is already on a ranibizumab regimen, timing of study participation should correlate with the regimen. 7. Male study subject (if his female spouse/partner is of childbearing potential) must confirm that he is using two acceptable methods for contraception (one of which must be a barrier method) starting at signing ICF and throughout the clinical study period and for 3 months after study drug administration. Male study subject should agree to inform his partner of participation in the study and the need to avoid pregnancy. Surgically sterilized and non-sexually active male subjects do not require additional use of contraception. 8. Male study subject agrees not to donate sperm starting from screening and throughout the clinical study period and for 3 months after study drug administration. 9. Female study subject must be categorized by at least one of the following: * Not a Woman of Child-bearing Potential as described in Appendix 3 prior to signing ICF; or * Surgically sterile or having undergone a hysterectomy as categorized in Appendix 3 at least 1 month prior to signing ICF; or * Is using a highly effective contraception. All females of childbearing potential will be required to use highly effective contraception (as described in Appendix 3) starting at signing ICF and throughout the clinical study period and for 3 months after study drug administration. 10. Female study subject must not be lactating and must not be breastfeeding at screening until 3 months after study drug administration. 11. Female study subject must not donate ova starting at signing ICF and throughout the clinical study period and for 3 months after study drug administration. Exclusion Criteria: 1. Have received IVT injection in the study eye within 3 months prior to Day 1 with any anti-VEGF therapy other than ranibizumab products (e.g. Lucentis®, Cimerli®, Byooviz®). 2. Intraocular corticosteroid administration in the study eye within 30 day prior to Day 1. 3. The study subject has/had fever or symptomatic, viral, bacterial (including upper respiratory infection), or fungal (non-cutaneous) infection within 1 week prior to Day 1. 4. The study subjects with a history or evidence of SARS-CoV-2 infection in the last month prior to signing ICF or having been in confirmed contact with SARS-CoV-2 positive patients in the last 2 weeks before dosing.