Journal article
The Effect of Target Speed and Verbal Instruction on NPC Measures in a Young, Healthy, and Active Population
Journal of eye movement research, v 12(4), 5
23 Oct 2019
PMID: 33828741
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Purpose: Evaluate the effect of target speed and verbal instruction on near point of convergence (NPC) measurements in a young, healthy, and active population. Methods: NPC was measured in 20 individuals with three target speeds and two sets of verbal instruction. The target speeds used were 1 cm/s, 3 cm/s, 5 cm/s, and participant self-paced. The verbal instruction given was either to indicate when the target became "double" or "blurry". Results: Paired-samples t-tests revealed significant differences between 5 cm/s (5.44 +/- 2.01) and 1 cm/s (6.72 +/- 2.39, p = .003), 3 cm/s (6.10 +/- 2.36, p = .030) and self-paced (6.63 +/- 2.26, p = .005). A significant difference (p < .001) was also found between the "double" (6.72 +/- 2.39) and "blurry" (10.82 +/- 3.08) conditions Conclusion: For young, healthy and active individuals, target speed and verbal instruction matter when measuring NPC.
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Details
- Title
- The Effect of Target Speed and Verbal Instruction on NPC Measures in a Young, Healthy, and Active Population
- Creators
- Ian McGinnis - Temple CollegeRyan Tierney - Temple CollegeJamie Mansell - Temple CollegeJacqueline Phillips - Temple University
- Publication Details
- Journal of eye movement research, v 12(4), 5
- Publisher
- Int Group Eye Movement Research
- Number of pages
- 8
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Health Sciences
- Web of Science ID
- WOS:000523260000005
- Scopus ID
- 2-s2.0-85102848232
- Other Identifier
- 991021866418604721
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- Web of Science research areas
- Ophthalmology