ArticleBMC ophthalmology2026
Effects of metabolic and bariatric surgery on corneal and lens densitometry.
Article in BMC ophthalmology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundTo investigate the effects of laparoscopic sleeve gastrectomy (LSG), a common subtype of metabolic and bariatric surgery (MBS), on corneal densitometry (CD) and lens densitometry (LD).
methodsThis prospective, single-center study included 58 eyes of 58 obese participants. Preoperative and 6-month postoperative CD, LD, and anterior segment parameters were evaluated using Pentacam topography. The primary outcomes were changes in CD and LD six months after surgery.
resultsA total of 58 eyes from 58 participants, with a mean age of 36.76 ± 10.79 years, were evaluated. Six months following LSG, the average body mass index (BMI) decreased from 43.4 ± 6.6 kg/m2 to 31.54 ± 5.13 kg/m2 (p < 0.001). Central corneal thickness (CCT), intraocular pressure (IOP), CD, and LD decreased significantly six months after LSG (p < 0.001). The anterior chamber depth (ACD) and angle (ACA) significantly increased six months after LSG (p < 0.001 for all parameters). Correlation analyses showed a moderate positive association between changes in CD and LD, whereas only weak correlations were observed between changes in ocular and metabolic parameters.
conclusionsLSG was associated with significant changes in CD, LD, and anterior segment parameters, suggesting a positive effect on ocular tissue transparency.
trial registrationNot applicable.
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