ZONES IN RETINOPATHY OF PREMATURITY ( ROP)

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  • Опубліковано 17 кві 2023
  • ZONES IN RETINOPATHY
    This video talks about the classification of ROP. To understand the ROP we must understand the ZONES in ROP . The ICROP classified retina into 3 zones ( ZONE 1 , ZONE 2 and ZONE 3 )
    ZONE 1 is the most posterior zone , the radius of the circle being twice the distance between the optic nerve and the macula .
    ZONE 2 is the zone from the edge of the Zone 1 to the periphery of a circle the radius is from the centre of the nerve to the nasal ora serrata.
    ZONE 3 is the remaining temporal crescent of the retina.
    ICROP 3 introduced a new concept of the notch, which describes ROP which is present in multiple zones of retina. Such ROP is described as the Zone with most posterior involvement with a suffix ( secondary to notch )
    ZONE 2 can be further be divided into ZONE 2 anterior and ZONE 2 posterior.
    The video explains the ZONE comprehensively with Diagrams

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