Findings

What do systematic reviews say?

2,079 questions · 2,112 findings · 171 reviews · Eyes and Vision

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No studies found 587 · 27.8%GRADE not reported 95 · 4.5%Very low 446 · 21.1%Low 557 · 26.4%Moderate 361 · 17.1%High 66 · 3.1%

Oral antibiotics vs placebo

Clinical signs—Schirmer test scores at 1 month (mm/5 min) · adult participants with chronic blepharitis

1 finding from 1 review

Oral antibiotics for chronic blepharitis 2021 · Cochrane Headline outcomes only
no estimate extracted
1 study · 93 participants
Very low

Oral antibiotics vs placebo

Clinical signs—TBUT at 1 month (seconds) · adult participants with chronic blepharitis

1 finding from 1 review

Oral antibiotics for chronic blepharitis 2021 · Cochrane Headline outcomes only
no estimate extracted
1 study · 93 participants
Very low

Oral antibiotics vs placebo

Adverse events at 1 month · adult participants with chronic blepharitis

It is very uncertain whether oral antibiotics changes adverse events at 1 month compared with placebo (very low certainty).

1 finding from 1 review

Oral antibiotics for chronic blepharitis 2021 · Cochrane Headline outcomes only
RR 6.13 [1.94, 19.41]
1 study · 93 participants
Very low

Oral antibiotics vs placebo

Quality of life measures · adult participants with chronic blepharitis

The review found no eligible studies for this question.

1 finding from 1 review

Oral antibiotics for chronic blepharitis 2021 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Oral antibiotics vs placebo

Economic costs and benefits of different interventions · adult participants with chronic blepharitis

The review found no eligible studies for this question.

1 finding from 1 review

Oral antibiotics for chronic blepharitis 2021 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Virtual reality training vs wet laboratory or no supplementary training

Trainee operating time in the operating room (minutes) · ophthalmology trainees for cataract surgery

1 finding from 1 review

Virtual reality training for cataract surgery operating performance in ophthalmology trainees 2021 · Cochrane Headline outcomes only
no estimate extracted
1 study · 12 participants
Very low

Virtual reality training vs wet laboratory or no supplementary training

Intraoperative complications · ophthalmology trainees for cataract surgery

1 finding from 1 review

Virtual reality training for cataract surgery operating performance in ophthalmology trainees 2021 · Cochrane Headline outcomes only
no estimate extracted
1 study · 19 participants
Very low

Virtual reality training vs wet laboratory or no supplementary training

Postoperative complications · ophthalmology trainees for cataract surgery

The review found no eligible studies for this question.

1 finding from 1 review

Virtual reality training for cataract surgery operating performance in ophthalmology trainees 2021 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Virtual reality training vs wet laboratory or no supplementary training

Trainee operating time in a simulated setting (minutes) · ophthalmology trainees for cataract surgery

1 finding from 1 review

Virtual reality training for cataract surgery operating performance in ophthalmology trainees 2021 · Cochrane Headline outcomes only
no estimate extracted
1 study · 60 participants
Very low

Virtual reality training vs wet laboratory or no supplementary training

Simulator task ratings (range 0–100; higher score indicates better performance) · ophthalmology trainees for cataract surgery

1 finding from 1 review

Virtual reality training for cataract surgery operating performance in ophthalmology trainees 2021 · Cochrane Headline outcomes only
no estimate extracted
1 study · 60 participants
Very low

Virtual reality training vs wet laboratory or no supplementary training

Supervising physician ratingsin the operating room · ophthalmology trainees for cataract surgery

1 finding from 1 review

Virtual reality training for cataract surgery operating performance in ophthalmology trainees 2021 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
Very low

Virtual reality training vs wet laboratory or no supplementary training

Supervising physician ratingsin simulated settings (range 0–100; higher score indicates better performance) · ophthalmology trainees for cataract surgery

1 finding from 1 review

Virtual reality training for cataract surgery operating performance in ophthalmology trainees 2021 · Cochrane Headline outcomes only
no estimate extracted
1 study · 60 participants
Very low

Any prophylaxis vs no prophylaxis

Blindness · newborn children

The review found no eligible studies for this question.

1 finding from 1 review

Interventions for preventing ophthalmia neonatorum 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Any prophylaxis vs no prophylaxis

Any adverse visual outcome · newborn children

The review found no eligible studies for this question.

1 finding from 1 review

Interventions for preventing ophthalmia neonatorum 2020 · Cochrane Headline outcomes only
no estimate extracted
Studies not reported
No studies found

Any prophylaxis vs no prophylaxis

Gonococcal conjunctivitis · newborn children

It is very uncertain whether any prophylaxis changes gonococcal conjunctivitis compared with no prophylaxis (very low certainty).

1 finding from 1 review

Interventions for preventing ophthalmia neonatorum 2020 · Cochrane Headline outcomes only
RR 0.79 [0.24, 2.65]
3 studies · 8229 participants
Very low

Any prophylaxis vs no prophylaxis

Chlamydial conjunctivitis · newborn children

Any prophylaxis showed no clear difference in chlamydial conjunctivitis compared with no prophylaxis (low certainty).

1 finding from 1 review

Interventions for preventing ophthalmia neonatorum 2020 · Cochrane Headline outcomes only
RR 0.96 [0.57, 1.61]
2 studies · 4874 participants
Low

Any prophylaxis vs no prophylaxis

Bacterial conjunctivitis · newborn children

Any prophylaxis showed no clear difference in bacterial conjunctivitis compared with no prophylaxis (low certainty).

1 finding from 1 review

Interventions for preventing ophthalmia neonatorum 2020 · Cochrane Headline outcomes only
RR 0.84 [0.37, 1.93]
2 studies · 3685 participants
Low

Any prophylaxis vs no prophylaxis

Any conjunctivitis of any aetiology · newborn children

Any prophylaxis probably leads to lower any conjunctivitis of any aetiology compared with no prophylaxis (moderate certainty).

1 finding from 1 review

Interventions for preventing ophthalmia neonatorum 2020 · Cochrane Headline outcomes only
RR 0.65 [0.54, 0.78]
8 studies · 9666 participants
Moderate

Any prophylaxis vs no prophylaxis

Conjunctivitis of unknown aetiology · newborn children

It is very uncertain whether any prophylaxis changes conjunctivitis of unknown aetiology compared with no prophylaxis (very low certainty).

1 finding from 1 review

Interventions for preventing ophthalmia neonatorum 2020 · Cochrane Headline outcomes only
RR 1.75 [0.37, 8.28]
1 study · 330 participants
Very low

Any prophylaxis vs no prophylaxis

Adverse effects · newborn children

It is very uncertain whether any prophylaxis changes adverse effects compared with no prophylaxis (very low certainty).

1 finding from 1 review

Interventions for preventing ophthalmia neonatorum 2020 · Cochrane Headline outcomes only
OR 0.93
1993 participants
Very low