Progressive computer glasses with far distance focus vs bifocal computer lenses: Headache (improvement of symptoms after 4 weeks)
It is very uncertain whether progressive computer glasses with far distance focus changes headache (improvement of symptoms after 4 weeks) compared with bifocal computer lenses (very low certainty).
What each review found
Current versions only| Finding | Effect | Studies | GRADE certainty |
|---|---|---|---|
Progressive computer glasses with far distance focus vs bifocal computer lenses Headache (improvement of symptoms after 4 weeks) · computer workers It is very uncertain whether progressive computer glasses with far distance focus changes headache (improvement of symptoms after 4 weeks) compared with bifocal computer lenses (very low certainty). Optical correction of refractive error for preventing and treating eye symptoms in computer users (2018) · Cochrane Headline outcomes only | OR 1.43 [0.27, 7.55] | 1 study · 36 participants | Very low |
Findings are shown side by side, never pooled across reviews.
The reviews
| Review | Searched up to | Included studies | AMSTAR 2 |
|---|---|---|---|
| Optical correction of refractive error for preventing and treating eye symptoms in computer users 2018 · Cochrane Headline outcomes only | Not reported | list not extracted yet | Not assessed |
Studies behind the findings
None of these reviews ties its included studies to this outcome in the data here. Cochrane reviews and reviews with headline outcomes only do not list their studies yet.
How reviews are matched to this question
Reviews word the same question differently. Four decision models (TypeSafe's Jev, Liquid AI's d1-ultra, SubQ Snap and Baseten's Elephant) judged each wording of the population, intervention, comparator and outcome against the others; two wordings count as the same when at least three of them agree and none clearly disagrees, and findings count as this question only when all four elements match. Timing, setting and subgroup never split a question: they are shown on each finding.