Table 1.

Triage criteria

Grade 1: highly urgent	Patients with neovascular age-related macular degeneration (nvAMD) or central retinal vein occlusion (CRVO) in one eye, with a visual acuity (VA) in the fellow eye below 20/60 Snellen.
Grade 2: urgent	Patients with bilateral nvAMD or bilateral CRVO and a VA in both eyes above 20/60 Snellen or patients with nvAMD in one eye and a VA in the fellow eye between 20/60 and 20/40 Snellen.
Grade 3: semiurgent	Patients with nvAMD or CRVO and a VA in the fellow eye greater or equal to 20/32 Snellen.
Grade 4: urgent	Patients with diabetic macular oedema, macular oedema secondary to branch retinal vein occlusion, pseudophakic macular oedema secondary to intraocular surgery or age-related macular degeneration with a VA below 20/400 in the affected eye.