Abstract
Dry eye disease is frequently underdiagnosed in pediatric patients. Meibomian gland morphology abnormalities (atrophy and tortuosity) may be associated with dry eye. This study examined risk factors for gland morphology abnormalities in children. This study aimed to characterize meibomian gland morphological abnormalities (atrophy and tortuosity) and identify risk factors for the same in children. A total of 160 children, primarily African American and Hispanic, aged 5 to <18 years underwent a comprehensive eye exam including slit-lamp examination to evaluate the meibomian glands, conjunctival papillae, and tear film. Infrared photography was performed including assessment of noninvasive tear film breakup time and tear meniscus height. Meibomian gland atrophy and tortuosity were assessed. A modified Ocular Surface Disease Index survey was administered along with surveys on screen time, diet, and outdoor activity. Linear multiple regression was performed to determine risk factors for meibomian gland abnormalities. The average age of participants (76 male, 84 female) was 10.9 ± 3.0 years. Severe meibomian gland atrophy (score ≥2) was found in 31.0% of participants in at least one eyelid. Severe meibomian gland tortuosity (score ≥2) was found in 84.0% of participants in at least one eyelid. The median symptom score was 9.8 (range, 0 to 71), with 16.9, 8.8, and 12.5% of the children having mild, moderate, and severe dry eye symptoms, respectively. Elevated body mass index (p<0.001), reduced outdoor activity (p=0.02), and unhealthy diet (p=0.01) were found to be risk factors for meibomian gland abnormalities. Screen time, symptom score, age, gender, and race/ethnicity were not associated with gland abnormalities (all p values >0.05). This study determined that meibomian gland morphological abnormalities were commonly found in children aged 5 to <18 years. Risk factors for these abnormalities include elevated body mass index, an unhealthy diet, and reduced outdoor activity.
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