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JOHN TWELKER, OD, PHD
OD, PHD
Optometrist
NPI: 1255405940IndividualAccepts Medicare
Specialties, Licenses & Credentials
OptometristPrimary
Optometrist
Code: 152W00000X
1202(AZ)
CMS Specialties
PrimaryOPTOMETRY
Education
UNIVERSITY OF CALIFORNIA - SCHOOL OF OPTOMETRY
Class of 1992
Research & Publications (7)
Children's Ocular Components and Age, Gender, and Ethnicity.
PMID 19650241·Optom Vis Sci·2009
4-observational
Peripheral light-focusing: measurement reliability and correlations with ocular dimensions.
PMID 15711456·Optom Vis Sci·2005
8-other
Refractive error, axial length, and relative peripheral refractive error before and after the onset of myopia.
PMID 17525178·Invest Ophthalmol Vis Sci·2007
4-observational
Accommodative lag before and after the onset of myopia.
PMID 16505015·Invest Ophthalmol Vis Sci·2006
4-observational
Retinoscopy in infants using a near noncycloplegic technique, cycloplegia with tropicamide 1%, and cycloplegia with cyclopentolate 1%.
PMID 11349929·Optom Vis Sci·2001
3-trial
Data courtesy of the U.S. National Library of Medicine (NLM). Ltrl is not affiliated with or endorsed by NLM.
Contact & Hours
- Address
- 707 N ALVERNON WAY STE 301
TUCSON, AZ 85711 - Phone
- (520) 694-1460
Quick Facts
- NPI
- 1255405940
- Entity Type
- Individual
- Gender
- Male
- Medicare
- Accepted
- Specialties
- 1
- Locations
- 1
- Years in Practice
- 34
- Publications
- 7
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