Ophthalmologic Evaluation of Patients With Obesity and Metabolic Syndrome Before and After Bariatric Surgery

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    XiaoYong Liu
Updated on 3 July 2021


The aim of this study was to investigate the pathogenic role of obesity on blinding eye diseases in a population of severely obese patients with no history of eye diseases, and to verify whether weight loss induced by bariatric surgery may have a protective effect.


This was a pilot, monocentric, prospective, and open label study conducted at First Affiliated Hospital of Jinan Universityreceived.Patients with body mass index 32.5Kg/m2; or patients with body mass index of 27.5-32.5Kg/m2 and metabolic diseases were consecutively recruited.All participants underwent complete ophthalmological evaluation Keratograph 5M and optical coherence tomography.Patients who underwent bariatric surgery were evaluated also 3 months, 6 months and 1 year after surgery.

Condition ocular disease, Obesity Associated Disorder, Eye Disorders/Infections (Pediatric), Eye Disease, Eye Disorders/Infections, ophthalmological disorder, EYE DISORDER, Dry Eye Disease
Clinical Study IdentifierNCT04926714
SponsorXiaoYong Liu
Last Modified on3 July 2021


Yes No Not Sure

Inclusion Criteria

Patients with BMI32.5Kg/m2
patients with BMI27.5-32.5Kg/m2, combined with metabolic diseases

Exclusion Criteria

Patients with pre-existing ocular diseases or visual alterations were excluded to avoid confounding factors related to pre-existing retinal pathology, independent from obesity per se
Patients with dementia, Parkinson's disease, Alzheimer's disease, multiple sclerosis or other severe neurological diseases were also excluded since ophthalmologic parameters may be altered in these conditions
Patients with lens opacities that made impossible the posterior segment examination, or with a refractive error > +5 or <-8 diopters spherical equivalent were also excluded
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