OP guidelines state first examination should be performed between 4 and 6 weeks of postnatal age , or between 31-33 weeks of post conceptional age (calculated as gestational age + post natal age), whichever is later.
Initial screening of ROP should be performed in all infants with:
Ideally 2 examinations must be performed however, 1 may suffice if examination shows complete retinal vascularisation.
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