Concussions – Page 2 – King-Devick technologies, Inc.

April 9, 2020

King-Devick Test Identifies Symptomatic Concussion in Real-time and Asymptomatic Concussion Over Time

Background: Sports concussion has an annual incidence of approximately 3.8 million. Over half go unreported and a substantial number may be asymptomatic. A rapid, cost-effective, and reliable tool that...

March 3, 2020

Sideline Concussion Assessment: The Current State of the Art

More than 200 million American adults and children participate in organized physical activity. Growing awareness has highlighted that concussion, especially when repeated, may be associated with prolonged neurological, cognitive,...

February 17, 2020

King-Devick Test Score is Linked to Cerebral Vasoreactivity During Acute Recovery Phase Post-Concussion

The King-Devick (KD) test is a quick screening tool used to detect oculomotor and attention related brain function impairments following a concussion. Adequate cerebral blood flow (CBF) is an...

February 13, 2020

Neuro-Ophthalmologic Response to Repetitive Subconcussive Head Impacts

A Randomized Clinical Trial Key Points Question How and what extent do subconcussive head impacts from 10 soccer-ball headings influence neuro-ophthalmologic function, as measured by the King-Devick test and...

January 3, 2020

King-Devick Test Improves Identification of Suspected Concussion, Even in the Absence of a Healthcare Provider

Objective Evaluate the diagnostic efficiency of the KDT in youth. Address the absence of HCPs by training parent Safety Officers (SO) in a multi-component, Concussion Check Protocol (CCP) that...

December 15, 2019

Relationship Between the King-Devick Test and Commonly Used Concussion Tests at Baseline

Context Comprehensive assessments are recommended to evaluate sport-related concussion (SRC). The degree to which the King-Devick (KD) test adds novel information to an SRC evaluation is unknown. Objective To...

December 2, 2019

VR/AR Head-mounted Display System-based Measurement and Evaluation of Dynamic Visual Acuity

This study evaluated the dynamic visual acuity of candidates by implementing a King–Devick (K-D) test chart in a virtual reality head-mounted display (VR HMD) and an augmented reality head...

November 30, 2019

K-D Balance: An Objective Measure of Balance in Tandem and Double Leg Stances

Background and objective Subjective grade-based scoring balance assessments tend to be lengthy and have demonstrated poor repeatability and reliability. This study examined the reliability of a mobile balance assessment...

September 30, 2019

The Efficiency of the King-Devick Test for Detecting Concussion in a Youth Athlete Population

Objective The purpose of this study is to investigate the efficiency of the King-Devick Test (KDT) as a screening tool for concussion in a pediatric collision-sport population prone to...

September 15, 2019

Performance Times for the King-Devick Test in Children and Adolescents

Objective To establish the King-Devick test (KD) performance values for children and adolescents. Design Prospective cohort. Setting Pediatric sports medicine clinics. Participants Five hundred seven athletes presenting to a...

August 22, 2019

A Reliability and Comparative Analysis of the New Randomized King-Devick Test

Objective The King-Devick (K-D) test is a rapid visual screening tool that can assess underlying brain trauma such as concussion via impairments in saccadic rhythm. A new tablet version...

May 7, 2019

Does a Post-Concussion Change in King-Devick Score Predict Return to Play in Collegiate Athletes?

Objective To determine if change in King-Devick test (K-D) score from baseline in acutely concussed collegiate Division I athletes predicts time to return to play (RTP). Background Efferent visual...

Research Abstract Category: Concussions