ReviewCureus2025
Postoperative Visual Acuity Outcomes After Phacoemulsification in Patients With Type 2 Diabetes Mellitus: A Systematic Review.
Review in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Cataract surgery is commonly performed in people with type 2 diabetes mellitus (T2DM), but concerns persist regarding postoperative visual recovery even before the onset of diabetic retinopathy. Understanding outcomes in this population is essential for evidence-based counselling and perioperative management. Our objective in this systematic review was to evaluate postoperative visual acuity outcomes following phacoemulsification in adults with T2DM without diabetic retinopathy or diabetic macular oedema, compared with non-diabetic individuals. A systematic search of Web of Science, Scopus, and PubMed was conducted in May 2025, from database inception. Eligible studies included English-language prospective comparative studies reporting postoperative visual acuity outcomes following phacoemulsification in T2DM patients without pre-existing proliferative diabetic retinopathy or macular disease, compared with non-diabetic controls. Study selection, data extraction, and risk-of-bias assessment using the Newcastle-Ottawa Scale were performed independently and in duplicate. Of 121 records screened, 11 full texts were assessed, and two studies met the inclusion criteria. The two included prospective comparative cohort studies involved 137 eyes in patients with T2DM and 137 eyes in non-diabetic controls. Both studies demonstrated substantial postoperative improvement in best-corrected visual acuity in both groups. Subclinical postoperative corneal and macular changes were more frequent in diabetics in one study, without a meaningful impact on functional vision over the reported follow-up. Risk of bias was moderate in both studies due to residual confounding and short-term follow-up. In conclusion, patients with T2DM without retinopathy experience excellent post-operative visual outcomes after phacoemulsification, comparable to those of non-diabetic individuals. Vigilant perioperative monitoring remains warranted due to increased susceptibility to transient corneal and retinal changes. High-quality studies with longer follow-up and appropriate adjustment for diabetic severity are required to refine prognostic accuracy and confirm long-term outcome equivalence.
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Registered trials
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