Findings

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Evidence found and GRADE certainty

24 questions · 24 findings · 1 reviews · Eyes and Vision

No studies found 5 · 20.8%GRADE not reported 0 · 0%Very low 0 · 0%Low 14 · 58.3%Moderate 5 · 20.8%High 0 · 0%

Oral long‐chain omega‐3 PUFAs vs oral omega‐6 PUFAs

Change in dry eye symptoms, measured using the OSDI score (ranging from 0 to 100 units, with a reduction in score indicating clinical improvement) at 1‐month (with actual · people with dry eyea

Oral long‐chain omega‐3 PUFAs showed no clear difference in change in dry eye symptoms, measured using the OSDI score (ranging… compared with oral omega‐6 PUFAs (moderate certainty).

1 finding from 1 review

Oral long‐chain omega‐3 PUFAs vs oral omega‐6 PUFAs

Change in tear osmolarity (measured in mOsmol/L, with reductions in osmolarity indicating clinical improvement) at 1‐month (with actual · people with dry eyea

Oral long‐chain omega‐3 PUFAs showed no clear difference in change in tear osmolarity (measured in mOsmol/L, with reductions in… compared with oral omega‐6 PUFAs (low certainty).

1 finding from 1 review

Oral omega‐3 PUFAs plus conventional therapy vs conventional therapy

Dry eye symptoms, measured using the OSDI score (ranging from 0 to 100 units, with a reduction in scores indicating clinical improvement) at 1‐month (with actual · people with dry eyea

Oral omega‐3 PUFAs plus conventional therapy showed no clear difference in dry eye symptoms, measured using the OSDI score (ranging from 0 to… compared with conventional therapy alone (low certainty).

1 finding from 1 review

Oral long‐chain omega‐3 PUFAs vs placebo or no treatment

Change in dry eye symptoms, measured using the OSDI score (ranging from 0 to 100 units, with a reduction in score indicating clinical improvement) at 1‐month (with actual · people with dry eyea

Oral long‐chain omega‐3 PUFAs (ie, EPA and DHA) showed no clear difference in change in dry eye symptoms, measured using the OSDI score (ranging… compared with placebo or no treatment (low certainty).

1 finding from 1 review

Oral long‐chain omega‐3 PUFAs vs placebo or no treatment

Change in ocular surface staining at 1‐month (with actual · people with dry eyea

Oral long‐chain omega‐3 PUFAs (ie, EPA and DHA) showed no clear difference in change in ocular surface staining at 1‐month (with actual compared with placebo or no treatment (low certainty).

1 finding from 1 review