What do systematic reviews say?

Summary of findings: acrylic vs silicone punctal plugs

• Punctal occlusion for dry eye syndrome 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  Very low

Summary of findings table ‐ Collagen vs silicone punctal plugs

• Punctal occlusion for dry eye syndrome 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  Very low

Summary of findings: punctal plugs vs pilocarpine

• Punctal occlusion for dry eye syndrome 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  Very low

Summary of findings: punctal plugs vs artificial tears

• Punctal occlusion for dry eye syndrome 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  Low

Summary of findings: punctal plugs vs no punctal plugs

• Punctal occlusion for dry eye syndrome 2017 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 28 participants
  Low

Summary of findings: punctal plugs vs cyclosporine A

• Punctal occlusion for dry eye syndrome 2017 · Cochrane Headline outcomes only
  no estimate extracted
  1 study · 20 participants
  Very low

Summary of findings: intracanalicular vs silicone punctal plugs

The review found no eligible studies for this question.

• Punctal occlusion for dry eye syndrome 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found

Summary of findings: punctal plugs in the upper vs lower puncta

The review found no eligible studies for this question.

• Punctal occlusion for dry eye syndrome 2017 · Cochrane Headline outcomes only
  no estimate extracted
  Studies not reported
  No studies found