• 1658 Citations
  • 19 h-Index
1988 …2018
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Fingerprint Dive into the research topics where John D Twelker is active. These topic labels come from the works of this person. Together they form a unique fingerprint.

  • 5 Similar Profiles
Refractive Errors Medicine & Life Sciences
Myopia Medicine & Life Sciences
Astigmatism Medicine & Life Sciences
Mydriatics Medicine & Life Sciences
Cyclopentolate Medicine & Life Sciences
Hyperopia Medicine & Life Sciences
Tropicamide Medicine & Life Sciences
Crystalline Lens Medicine & Life Sciences

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Projects 1997 2002

PTERYGIUM EVALUATION PROJECT

Twelker, J. D. & Egwuagu, C.

National Institutes of Health

4/1/973/31/02

Project: Research project

Pterygium
Optometry
Mentors
Epidemiology
Biostatistics

Research Output 1988 2018

  • 1658 Citations
  • 19 h-Index
  • 41 Article

A preliminary study of astigmatism and early childhood development

Harvey, E. M., McGrath, E. R., Miller, J. M., Davis, A. L., Twelker, J. D. & Dennis, L. K., Jan 1 2018, (Accepted/In press) In : Journal of AAPOS.

Research output: Contribution to journalArticle

Astigmatism
Refractive Errors
Language
Vision Screening
Communication
Open Access
Wear of materials
Factor analysis
Therapeutics
Parents
Statistical Factor Analysis

Interrater and test-retest reliability of the beery visual-motor integration in schoolchildren

Harvey, E. M., Leonard-Green, T. K., Mohan, K. M., Kulp, M. T., Davis, A. L., Miller, J. M., Twelker, J. D., Campus, I. & Dennis, L. K., 2017, In : Optometry and Vision Science. 94, 5, p. 598-605 8 p.

Research output: Contribution to journalArticle

Reproducibility of Results
Eye Abnormalities
Anisometropia
Hyperopia
Visual Perception
9 Citations (Scopus)

The response AC/A ratio before and after the onset of myopia

CLEERE Study Group, Mar 1 2017, In : Investigative Ophthalmology and Visual Science. 58, 3, p. 1594-1602 9 p.

Research output: Contribution to journalArticle

Myopia
Refractive Errors
Mydriatics
1 Citation (Scopus)

Visual Motor and Perceptual Task Performance in Astigmatic Students

Harvey, E. M., Twelker, J. D., Miller, J. M., Leonard-Green, T. K., Mohan, K. M., Davis, A. L. & Campus, I., 2017, In : Journal of Ophthalmology. 2017, 6460281.

Research output: Contribution to journalArticle

Task Performance and Analysis
Students
Control Groups
Visual Perception
Astigmatism