Cochrane · systematic review · CD006460

Conventional occlusion versus pharmacologic penalization for amblyopia

Li, T, Qureshi, R, Taylor, K · Cochrane Database of Systematic Reviews · 2019 · Cochrane Library

Eyes and VisionAMSTAR 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
7
current version
GRADE rated
7
No studies
0
Included studies
NR
No studies 0 · 0%Ungraded 0 · 0%Very low 0 · 0%Low 0 · 0%Moderate 6 · 85.7%High 1 · 14.3%

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

Conventional occlusion compared to atropine penalization for amblyopia

Population: Participants of any age with either unilateral strabismic, anisometropic, or mixed (strabismic‐refractive) amblyopia; deprivation amblyopia was not included
7 questions
OutcomeEffectEvidenceStatus / GRADE
Mean visual acuity at 6 months (difference in LogMAR units between occlusion and atropine groups)
Conventional occlusion vs atropine penalization
no estimate extracted3 studies · 552 participantsModerate
Downgraded: inconsistency
Mean visual acuity at 24 months (difference in LogMAR units between occlusion and atropine groups)
Conventional occlusion vs atropine penalization
no estimate extracted2 studies · 483 participantsModerate
Downgraded: risk of bias
Adherence to treatment (different measures and time points reported in the included studies) Assessed at different time points (6, 12, 0r 24 months), and with different measures (percentage of prescribed treatment that was completed at each study ...
Conventional occlusion vs atropine penalization
no estimate extracted4 studies · 588 participantsModerate
Downgraded: risk of bias
Ocular alignment (different measures and time points reported in the included studies) Assessed at different time points (17 weeks, 24 months, or cessation of treatment) and by the proportions of participants who developed strabismus, showed chang...
Conventional occlusion vs atropine penalization
no estimate extracted3 studies · 888 participantsModerate
Downgraded: imprecision
Stereo acuity (different measures and time points reported in the included studies) Assessed at different time points (17 weeks, 6 months, 2 years, or at cessation of treatment) and using different measures (TNO stereo test, Titmus fly test, Rando...
Conventional occlusion vs atropine penalization
no estimate extracted5 studies · 865 participantsModerate
Downgraded: risk of bias
Quality of life (different measures and time points reported in the included studies) Assessed at different time points (17 weeks or 6 months) by patient preference or the Amblyopia Treatment Index questionnaire.
Conventional occlusion vs atropine penalization
no estimate extracted2 studies · 256 participantsModerate
Downgraded: risk of bias
Adverse events (reported occurrence of: mild reduction in the visual acuity of the sound eye not requiring treatment; light sensitivity; skin, lid, or conjunctival irritation) Assessed at different time points (17 weeks or 2 years).
Conventional occlusion vs atropine penalization
no estimate extracted2 studies · 612 participantsHigh