{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,26]],"date-time":"2026-08-26T16:57:48Z","timestamp":1787763468425,"version":"build-2784847793"},"reference-count":71,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2024,2,9]],"date-time":"2024-02-09T00:00:00Z","timestamp":1707436800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by-nc-nd\/4.0\/"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Acta Ophthalmologica"],"published-print":{"date-parts":[[2024,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>The relationship between attention deficit hyperactivity disorder (ADHD) and visual impairment remains poorly understood, and the impact of visual impairment on the development of ADHD is uncertain. The aim of this study was to investigate the refractive profile and ocular biometric characteristics in patients diagnosed with ADHD and compare them with a control group. Additionally, we aimed to explore the potential influence of sex and medication intake.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A cohort of 100 participants, including 50 individuals with ADHD and 50 age\u2010 and sex\u2010matched control subjects, was included in this study. Ocular biometric parameters were measured, and refractive error was assessed using cycloplegic and non\u2010cycloplegic autorefraction. Subgroup analyses were performed within the ADHD group based on sex, medication intake and age to investigate potential associations with the ocular findings.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>We observed no statistically significant differences in axial length, corneal topography parameters or anterior chamber characteristics between ADHD and control subjects. However, subgroup analysis within the ADHD group revealed that the prevalence of ametropia under cycloplegia was significantly higher in unmedicated (69.6%) compared to medicated (37.5%) (X<jats:sup>2<\/jats:sup>(2)\u2009=\u20097.320, <jats:italic>p<\/jats:italic>\u2009=\u20090.026) participants. Pupil diameter was significantly larger in medicated (3.91\u2009mm) compared to unmedicated (3.58\u2009mm; <jats:italic>p<\/jats:italic>\u2009=\u20090.017) individuals. Males had flatter (<jats:italic>p<\/jats:italic>\u2009=\u20090.004) and thicker (<jats:italic>p<\/jats:italic>\u2009=\u20090.008) corneas than females. Older ADHD participants had higher refractive error (<jats:italic>p<\/jats:italic>\u2009=\u20090.008 for non\u2010cycloplegic and <jats:italic>p<\/jats:italic>\u2009=\u20090.0.003 for cycloplegic), axial length (<jats:italic>p<\/jats:italic>\u2009=\u20090.002) and corneal astigmatism (<jats:italic>p<\/jats:italic>\u2009=\u20090.049).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>Our study provides compelling evidence that individuals diagnosed with ADHD exhibit a similar incidence of refractive errors and ocular parameters compared to normal subjects. Nonetheless, the prevalence of refractive errors appears to be higher in unmedicated ADHD patients, suggesting the potential benefit of stimulant treatment. Additionally, stimulant use is associated with an increase in pupil diameter.<\/jats:p><\/jats:sec>","DOI":"10.1111\/aos.16657","type":"journal-article","created":{"date-parts":[[2024,2,10]],"date-time":"2024-02-10T05:30:41Z","timestamp":1707543041000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":9,"title":["Impact of stimulant treatment on refractive errors and pupil diameter in attention deficit hyperactivity disorder"],"prefix":"10.1111","volume":"102","author":[{"given":"A. 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