Strong evidencefatty_acid
Omega-3 for Blurry Vision
DHA comprises 60% of the polyunsaturated fatty acids in the retina. It is essential for photoreceptor membrane fluidity, retinal signaling, and neuroprotection of retinal ganglion cells. Omega-3s also support healthy tear film and reduce dry eye.
How strong is the research?
Strong evidence
Based on a randomised controlled trial (RCT) — the gold standard for establishing cause and effect.
How much to take
1000–2000 mg
DHA is highly concentrated in the retina. Omega-3 supports tear film and retinal health.
When to take it
Best taken: with food