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OBJECTIVE: A systematic review of literature was performed to compare various visual function parameters including the final visual acuity outcome and/or adverse events between corneal refractive surgery (CLRS) and phakic intraocular lens implantation (p-IOLi) in the treatment of refractive amblyopic children.

Database of Abstracts of Reviews of Effects (DARE): Quality-assessed Reviews [Internet] - Centre for Reviews and Dissemination (UK).

Version: 2014

Impaired visual acuity is common in preschool-aged children. Screening for impaired visual acuity in primary care settings could identify children with vision problems at a critical period of visual development and lead to interventions to improve vision, function, and quality of life.

Evidence Syntheses - Agency for Healthcare Research and Quality (US).

Version: February 2011

Binocular versus standard occlusion or blurring treatment for unilateral amblyopia in children aged three to eight years.

Cochrane Database of Systematic Reviews: Plain Language Summaries [Internet] - John Wiley & Sons, Ltd.

Version: 2015

The systematic review found that, using the best available data, second-eye cataract surgery was associated with clinically meaningful improvement in stereopsis but did not affect other clinical measures of vision or of health-related quality of life, apart from improvements in a mental health measure in one trial. There are limitations in the evidence, however, including a lack of quality of life assessments in some trials and patients’ baseline vision before surgery being relatively good, limiting room for improvement. Further data are needed from a well-conducted randomised controlled trial that reflects current populations and enables the estimation of health-state utility values.

Health Technology Assessment - NIHR Journals Library.

Version: November 2014

The review found insufficient evidence to recommend that pan-retinal photocoagulation is used at the non-proliferative stage of diabetic retinopathy.

Health Technology Assessment - NIHR Journals Library.

Version: July 2015

EQ-5D, SF-6D and Health Utilities Index Mark 3 (HUI3) were assessed in four conditions. EQ-5D performed well in studies of cancer and skin conditions, HUI3 performed well in vision and hearing conditions, and evidence was limited for SF-6D. Bolt-ons provide a promising solution when EQ-5D is inappropriate. More primary research into the psychometric properties of the generic preference-based measures is required. Further research is needed for the development and valuation of bolt-ons to EQ-5D.

Health Technology Assessment - NIHR Journals Library.

Version: February 2014

Uncorrected refractive error is the leading cause of global visual impairment. Given resource constraints in developing countries, the gold standard method of refractive error correction, custom-made spectacles, is unlikely to be available for some time. Therefore, ready-made and recycled spectacles are in wide use in the developing world. To ensure that refractive error interventions are successful, it is important that only appropriate modes of refractive error correction are used. As a basis for policy development, a systematic literature review was conducted of interventional studies analysing visual function, patient satisfaction and continued use outcomes of ready-made and recycled spectacles dispensed to individuals in developing countries with refractive errors or presbyopia. PubMed and CINAHL were searched by MESH terms and keywords related to ready-made and recycled spectacle interventions, yielding 185 non-duplicated papers. After applying exclusion criteria, eight papers describing seven studies of clinical outcomes of dispensing ready-made spectacles were retained for analysis. The two randomised controlled trials and five non-experimental studies suggest that ready-made spectacles can provide sufficient visual function for a large portion of the world's population with refractive error, including those with astigmatism and/or anisometropia. The follow-up period for many of the studies was too short to confidently comment on patient satisfaction and continued-use outcomes. No studies were found that met inclusion criteria and discussed recycled spectacles. The literature also notes concerns about quality and cost effectiveness of recycled spectacles, as well as their tendency to increase developing countries' reliance on outside sources of help. In light of the findings, the dispensing of ready-made spectacles should be favoured over the dispensing of recycled spectacles in developing countries.

Database of Abstracts of Reviews of Effects (DARE): Quality-assessed Reviews [Internet] - Centre for Reviews and Dissemination (UK).

Version: 2014

Systematic Reviews in PubMed

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