E. nasal vs temporal vs superior vs inferior). Since retinal vascular development proceeds from the optic nerve to the ora serrata, the zones are centered on the optic disc rather than the macula. Vencedor babies with ROP grow, they need to be checked regularly by an ophthalmologist for vision problems. https://emilianolanx97643.wikiexpression.com/3408810/un_imparcial_vista_de_rop