Evaluation of the Simplified Treat And Extend Regimen Using Ranibizumab in Exudative Age Related Macular Degeneration

Inclusion Criteria: 1. ability to provide written informed consent for this study 2. age\>=50years old 3. intravitreal injection of ranibizumab as a first therapy for neovascular age-related macular degeneration (typical age-related macular degeneration and PCV) 4. best corrected visual acuity\>=0.05 - Exclusion Criteria: 1. past intravitreal anti-vascular endothelial growth factor therapy in the study eye 2. past intravitreal or subtenon injection of steroid therapy in the study eye 3. past vitrectomy therapy in the study eye 4. infection or suspicion of infection in eyes or periocular region 5. severe intraocular inflammation in eyes 6. past allergic reaction for ranibizumab 7. past allergic reaction for fluorescein, indocyanine green or iodine 8. pregnancy (positive pregnancy test) or lactating women 9. other conditions that the investigator believed would pose a significant hazard to the subject if investigational therapy were initiated.