Cochrane · systematic review · CD009877
Optical correction of refractive error for preventing and treating eye symptoms in computer users
Heus, P, Verbeek, JH, Tikka, C · Cochrane Database of Systematic Reviews · 2018 · Cochrane Library
WorkAMSTAR 2: not assessed
SoF tableOnly the outcomes this review put in its Summary of Findings table are listed (the Cochrane Handbook caps them at about seven per comparison). Its other analyses are not shown here.
Questions
21
current version
GRADE rated
21
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 13 · 61.9%Low 8 · 38.1%Moderate 0 · 0%High 0 · 0%
Ungraded means an effect was reported without a GRADE rating; it is not a gap. No studies means the review found nothing to answer the question. The six categories are a display order, not a score.
Questions and results
Progressive computer glasses versus monofocal computer glasses
Population: computer workers
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Asthenopia (change from baseline to 12 months) VAS scale 0 to 100 12 months' Progressive computer glasses vs monofocal computer glasses | no estimate extracted | 1 study · 186 participants | Low Downgraded: risk of bias, imprecision |
Headache (change from baseline to 12 months) VAS scale 0 to 100 12 months' Progressive computer glasses vs monofocal computer glasses | no estimate extracted | 1 study · 186 participants | Low Downgraded: risk of bias, imprecision |
Progressive computer glasses with intermediate distance focus versus progressive glasses for daily use
Population: computer workers
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Asthenopia (two different scales), Short term Progressive computer glasses with intermediate distance focus vs progressive glasses | no estimate extracted | 2 studies · 58 participants | Low Downgraded: imprecision |
Asthenopia Medium term Progressive computer glasses with intermediate distance focus vs progressive glasses | no estimate extracted | 1 study · 35 participants | Low Downgraded: imprecision |
Headache scale 1 to 6 1‐week Progressive computer glasses with intermediate distance focus vs progressive glasses | no estimate extracted | 1 study · 23 participants | Low Downgraded: imprecision |
Dizziness score 1 to 6 1‐week Progressive computer glasses with intermediate distance focus vs progressive glasses | no estimate extracted | 1 study · 23 participants | Low Downgraded: imprecision |
Progressive computer glasses with intermediate distance focus versus monofocal computer glasses
Population: computer workers
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Asthenopia (change from baseline to 12 months) VAS scale 0 to 100 12 months' Progressive computer glasses with intermediate distance focus vs monofocal computer glasses | no estimate extracted | 1 study · 64 participants | Low Downgraded: risk of bias, imprecision |
Headache (change from baseline to 12 months) VAS scale 0 to 100 12 months' Progressive computer glasses with intermediate distance focus vs monofocal computer glasses | no estimate extracted | 1 study · 64 participants | Very low Downgraded: risk of bias, imprecision, inconsistency |
Progressive computer glasses with far distance focus compared to bifocal computer lenses
Population: computer workers
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Asthenopia (improvement of symptoms after 4 weeks) Progressive computer glasses with far distance focus vs bifocal computer lenses | RR 1 [0.8, 1.24] | 1 study · 38 participants | Very low Downgraded: risk of bias |
Headache (improvement of symptoms after 4 weeks) Progressive computer glasses with far distance focus vs bifocal computer lenses | OR 1.43 [0.27, 7.55] | 1 study · 36 participants | Very low Downgraded: risk of bias |
Nausea (improvement of symptoms after 4 weeks) Progressive computer glasses with far distance focus vs bifocal computer lenses | RR 1.29 [0.68, 2.45] | 1 study · 8 participants | Very low Downgraded: risk of bias |
Dizziness (improvement of symptoms after 4 weeks) Progressive computer glasses with far distance focus vs bifocal computer lenses | RR 1 [0.25, 4] | 1 study · 8 participants | Very low Downgraded: risk of bias |
Progressive computer glasses with far distance focus versus trifocal computer glasses
Population: computer workers
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Asthenopia (eyestrain severity) Likert scale 0 to 10 3 weeks Progressive computer glasses with far distance focus vs trifocal computer glasses | no estimate extracted | 1 study · 24 participants | Very low Downgraded: risk of bias, imprecision |
Asthenopia (eyestrain frequency) Likert scale 0 to 10 3 weeks' Progressive computer glasses with far distance focus vs trifocal computer glasses | no estimate extracted | 1 study · 24 participants | Very low Downgraded: risk of bias, imprecision |
Progressive computer glasses with far distance focus versus monofocal computer glasses
Population: computer workers
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Asthenopia (change from baseline to 12 months) VAS scale 0 to 100 12 months' Progressive computer glasses with far distance focus vs monofocal computer glasses | no estimate extracted | 1 study · 64 participants | Low Downgraded: risk of bias, imprecision |
Headache (change from baseline to 12 months) VAS scale 0 to 100 12 months' Progressive computer glasses with far distance focus vs monofocal computer glasses | no estimate extracted | 1 study · 64 participants | Very low Downgraded: risk of bias, imprecision, inconsistency |
Computer glasses versus Ergonomic assessment plus habitual (computer) glasses
Population: computer workers
| Outcome | Effect | Evidence | Status / GRADE |
|---|---|---|---|
Asthenopia, summed score scale 1 to 140 3 weeks' Computer glasses vs Ergonomic assessment plus habitual (computer) glasses | no estimate extracted | 1 study · 24 participants | Very low Downgraded: risk of bias, imprecision |
Asthenopia Change score 3 weeks' Computer glasses vs Ergonomic assessment plus habitual (computer) glasses | no estimate extracted | 1 study · 24 participants | Very low Downgraded: risk of bias, imprecision |
Eyestrain (yes/no) Computer glasses vs Ergonomic assessment plus habitual (computer) glasses | RR 0.95 [0.67, 1.34] | 1 study · 24 participants | Very low Downgraded: risk of bias, imprecision |
Headache (yes/no) Computer glasses vs Ergonomic assessment plus habitual (computer) glasses | RR 0.92 [0.52, 1.63] | 1 study · 24 participants | Very low Downgraded: risk of bias, imprecision |
Upset stomach (yes/no) Computer glasses vs Ergonomic assessment plus habitual (computer) glasses | RR 0.5 [0.14, 1.79] | 1 study · 24 participants | Very low Downgraded: risk of bias, imprecision |