What do systematic reviews say?

Fish oil lipid emulsion (LE) vs S‐LE

All fish oil containing LE showed no clear difference in retinopathy of prematurity (≥ stage 3) compared with S‐LE (low certainty).

• Alternative lipid emulsions versus pure soy oil based lipid emulsions for parenterally fed preterm infants 2015 · Cochrane Headline outcomes only
  RR 0.43 [0.06, 2.85]
  3 studies · 256 participants
  Low