Related Experiment Video
Updated: Feb 12, 2026
05:48
The Adventures of Fundi Intervention Based on the Cognitive and Emotional Processing in Attention Deficit Hyperactive Disorder Patients
Published on: June 12, 2020
6.5K
Attention-deficit/hyperactivity disorder children exhibit an impaired accommodative response
Beatriz Redondo1, Jesús Vera2, Rubén Molina2
1Department of Optics, University of Granada, Campus de la Fuentenueva 2, 18001, Granada, Spain. beadondo@correo.ugr.es.
Summary
Children with attention-deficit/hyperactivity disorder (ADHD) show poorer accuracy in their eye
Area of Science:
- Ophthalmology
- Neuroscience
- Pediatrics
Background:
- Attention-deficit/hyperactivity disorder (ADHD) is a common neurodevelopmental disorder in children.
- Ocular dynamics are linked to the neural systems controlling attention.
Purpose of the Study:
- To compare accommodative response magnitude and variability in children with ADHD versus controls.
- To investigate potential ocular markers for attentional deficits.
Main Methods:
- Objective measurement of accommodative response using a WAM-5500 autorefractometer.
- 36 children (18 with ADHD, 18 controls) participated.
- Measurements taken at static viewing distances (500, 40, 20 cm).
Main Results:
- Children with ADHD had significantly higher accommodative lag, especially at closer distances.
- A trend towards increased accommodative variability was observed in the ADHD group.
- No significant differences in accommodative magnitude or variability over time between groups.
Conclusions:
- Children with ADHD exhibit less accurate accommodative responses.
- Accommodative response may serve as a novel ocular index for attentional deficits.
- Findings could impact understanding of academic, cognitive, and visual performance in ADHD.
Related Concept Videos
01:30Attention-Deficit/Hyperactivity Disorder
1.0K
Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder characterized by persistent inattention, hyperactivity, and impulsivity. It affects approximately 5-8% of children globally, with around 60-70% of cases persisting into adulthood. ADHD has significant implications for educational attainment, social interactions, and occupational success.
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings....
Diagnostic Criteria and Symptoms
To diagnose ADHD, symptoms must manifest before age 12 and be evident across multiple settings....
1.0K
02:18Intrinsically Disordered Proteins
19.6K
Intrinsically disordered proteins are a group of proteins that do not fold into specific three-dimensional structures. Their structural flexibility allows them to complement ordered proteins to perform functions that are inaccessible to rigid structures. They are more common in eukaryotes than prokaryotes and may either be exclusively intrinsically disordered or hybrid proteins, consisting of a mix of ordered and disordered regions. The absence of a rigid structure in these proteins can be...
19.6K
01:17Factors Affecting Renal Clearance: Renal Impairment
485
Renal dysfunction significantly impairs the renal clearance of drugs, leading to potential complications in drug therapy. Renal failure, which can be caused by various factors, poses a significant challenge in the elimination of drugs from the body.
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
One condition associated with renal failure is uremia. Uremia is characterized by impaired glomerular filtration and fluid accumulation in the body. This condition hinders the renal clearance of drugs, resulting in drug accumulation and potential...
485
02:26Responses to Gravity and Touch
42.0K
Gravitropism: Plant Responses to Gravity
42.0K
01:29Drug Dosing: Infants and Children
324
Pediatric patient dosages diverge from adults due to disparities in body surface area, total body water, and extracellular fluid per kilogram of body weight. The dosing regimen considers the variations in pharmacokinetics and pharmacology across distinct age groups, encompassing preterm newborns, infants, young children, older children, and adolescents. Calculation of pediatric patient doses is predicated on determining body surface area, which exhibits a superior correlation with the child's...
324
01:29Bone Disorders
5.5K
Aging and its effect on bone remodeling is the most common cause of bone disorders. In young and healthy people, bone deposition and resorption happen at an equal rate to maintain optimal bone health.
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
Bone deposition is also affected by the levels of sex hormones like estrogen and testosterone that promote osteoblast activity and bone matrix synthesis. When the level of these hormones decreases due to aging, it causes a reduction in bone deposition. As a result, bone resorption by osteoclasts...
5.5K