Table 2.
ROP-screening guidelines in the Asian region compared with US/UK guidelines
| Study group | Country | Year | Screening criteria | Timing of first screening (Age in weeks after birth) | |
|---|---|---|---|---|---|
| Birth weight (grams) | Gestational age (weeks) | ||||
| Fierson et al. [9] | USA | 2013 | 1500 | 30 | 4 |
| Wilkinson et al. [63] | UK | 2009 | 1500 | 32 |
4–5 (GA < 27 weeks) |
| RBSK and NPCB [11] | India | 2017 | 2000 | 34–36 (risk factors) |
4 2–3 weeks (GA < 28 weeks/BW < 1200 g) |
| Chinese Expert group [12] | China | 2004 | 2000 | 34 | 4–6 |
| Bas et al. [14] | Turkey | 2018 | 1700 | 34 | 4 |
| Trinavarat et al. [15] | Thailand | 2004 | 1500 | 33 | 4–6 |
| Shah et al. [18] | Singapore | 2005 | 1500 | 32 | 6 |
| Chen et al. [17] | Taiwan | 2015 | 1500 | 32 | 4–6 |
| Al Amro SA et al. [64] | Saudi Arabia | 2018 | 1500 | 32–36 (risk factors) | 4–6 |