Intervention not reported
Progression (increase in maximal keratometry of 1.5 dioptres or more) · people with keratoconus
It is very uncertain whether the intervention changes progression (increase in maximal keratometry of 1.5 dioptres or more) (very low certainty).
1 finding from 1 review
Failure at 12 months Need for repeat surgery or uncontrolled IOP (usually more than 22 mm Hg) despite additional topical or systemic medications · participants with glaucoma surgery
Intraoperative 5‐Fluorouracil leads to lower failure at 12 months Need for repeat surgery or uncontrolled IOP… compared with placebo or control (high certainty).
1 finding from 1 review
Intervention not reported
BCVA gain of 15 letters or more ( · participants with CRVO macular oedema of duration less than 9 months (mean < 3 months) and no prior treatment
The intervention leads to higher BCVA gain of 15 letters or more ( (high certainty).
1 finding from 1 review
Intervention not reported
BCVA loss of 15 letters or more ( · participants with CRVO macular oedema of duration less than 9 months (mean < 3 months) and no prior treatment
The intervention leads to lower BCVA loss of 15 letters or more ( (high certainty).
1 finding from 1 review
Intervention not reported
Long‐term complications (one year or more after surgery) · people with age‐related cataract
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
Intervention not reported
Distance‐corrected near visual acuity at 12 months or more [Jaeger units and logMAR units] · Participants over age of 21 years undergoing cataract surgery
1 finding from 1 review
no estimate extracted
111 participants
Low
Intervention not reported
Corrected distant visual acuity at 12 months or more [logMAR units] · Participants over age of 21 years undergoing cataract surgery
1 finding from 1 review
BCVA: loss of 15 or more ETDRS letters · people with diabetic retinopathy
Laser photocoagulation showed no clear difference in loss of 15 or more letters BCVA compared with control (low certainty).
1 finding from 1 review
Lost one or more lines of BCVA · patients with myopia
Laser‐assisted in‐situ keratomileusis (LASIK) showed no clear difference in lost one or more lines of BCVA compared with photorefractive keratectomy (PRK) (low certainty).
1 finding from 1 review
Intervention not reported
Contrast threshold loss ‐0.15 log units or more at 1 year · patients with choroidal neovascularisation secondary to age‐related macular degeneration
The intervention showed no clear difference in contrast threshold loss ‐0.15 log units or more at 1 year (moderate certainty).
1 finding from 1 review
Intervention not reported
Reading speed 40 word/minute or more after 1 year · patients with choroidal neovascularisation secondary to age‐related macular degeneration
The intervention showed no clear difference in reading speed 40 word/minute or more after 1 year (high certainty).
1 finding from 1 review
BCVA: loss of 15 or more ETDRS letters · people with neovascular age‐related macular degeneration
Photodynamic therapy with verteporfin leads to lower loss of 3 or more lines (15 or more letters) visual acuity ETDRS chart compared with photodynamic therapy with 5% dextrose (high certainty).
1 finding from 1 review
Six or more lines visual acuity lost · people with neovascular age‐related macular degeneration
Photodynamic therapy with verteporfin leads to lower loss of 6 or more lines (30 or more letters) visual acuity ETDRS chart compared with photodynamic therapy with 5% dextrose (high certainty).
1 finding from 1 review
Gain of 3 or more lines of visual acuity · people with neovascular age‐related macular degeneration
Photodynamic therapy with verteporfin leads to higher gain of 3 or more lines (15 or more letters) compared with photodynamic therapy with 5% dextrose (high certainty).
1 finding from 1 review
Mean UCVA, 12 months after surgery (unit LogMAR) · adults (18 years) with more than 0.5 diopters of myopia or myopic astigmatism
1 finding from 1 review
Eyes within ± 0.5 D of target refraction · adults (18 years) with more than 0.5 diopters of myopia or myopic astigmatism
Laser‐assisted in‐situ keratomileusis (LASIK) with a mechanical… showed no clear difference in proportion of eyes within ± 0.5 diopters of target refraction, 12… compared with LASIK with a femtosecond laser (low certainty).
1 finding from 1 review
Mean refractive error expressed as mean spherical equivalent post‐treatment. ‐ 12 months · adults (18 years) with more than 0.5 diopters of myopia or myopic astigmatism
1 finding from 1 review
Adverse effects: corneal haze · adults (18 years) with more than 0.5 diopters of myopia or myopic astigmatism
It is very uncertain whether laser‐assisted in‐situ keratomileusis (LASIK) with a mechanical… changes corneal haze, any time point compared with LASIK with a femtosecond laser (very low certainty).
1 finding from 1 review
Dry eye, any time point · adults (18 years) with more than 0.5 diopters of myopia or myopic astigmatism
Laser‐assisted in‐situ keratomileusis (LASIK) with a mechanical… may leads to higher dry eye, any time point compared with LASIK with a femtosecond laser (low certainty).
1 finding from 1 review
Diffuse lamellar keratitis, any time point · adults (18 years) with more than 0.5 diopters of myopia or myopic astigmatism
Laser‐assisted in‐situ keratomileusis (LASIK) with a mechanical… may leads to lower diffuse lamellar keratitis, any time point compared with LASIK with a femtosecond laser (low certainty).
1 finding from 1 review