NCT00000169|Unknown
Loading search results
Sponsor study identifier
observational
N/A
1 country
3
Study Start
April 1999
Date type not reportedThis date has not been verified as actual or estimated.
Primary Completion
Not reported
Date not reportedStudy Completion
Not reported
Date not reportedTo compare and contrast normal eye growth, ocular component development, and refractive error development in Hispanic, African-American, and Asian schoolchildren with what happens in Caucasian children from the Orinda Longitudinal Study of Myopia. To investigate risk factors for the development of myopia. To conduct DNA-based studies on nearsighted children and their families.
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
Not reported
Date not reportedClick on a node to explore related trials.
Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
April 1999
Date type not reportedThis date has not been verified as actual or estimated.
September 23, 1999
Actual (reported)September 24, 1999
Actual (reported)Contact the study team to discuss eligibility requirements. They can help determine if this study is right for you.
West Alabama Health Services, Inc.
Eutaw, Alabama, 35462, United States
Southern California College of Optometry
Fullerton, California, 92831, United States
Mutti DO, Zadnik K, Adams AJ. A video technique for phakometry of the human crystalline lens. Invest Ophthalmol Vis Sci. 1992 Apr;33(5):1771-82.
Zadnik K, Mutti DO, Adams AJ. The repeatability of measurement of the ocular components. Invest Ophthalmol Vis Sci. 1992 Jun;33(7):2325-33.
Walline JJ, Zadnik K, Mutti DO. Validity of surveys reporting myopia, astigmatism, and presbyopia. Optom Vis Sci. 1996 Jun;73(6):376-81. doi: 10.1097/00006324-199606000-00004.
First Submitted
September 23, 1999
First Posted
September 24, 1999
Study Start
April 1999
Date type not reportedThis date has not been verified as actual or estimated.
Last Updated
June 24, 2005
Record last verified: 2001-06
Download the complete ClinicalTrials.gov record imported by Syfrah, including fields not shown in this page. The registry may contain a newer revision.
Source: ClinicalTrials.gov.
JSON downloads include source attribution and retrieval details alongside the unchanged original record or the separately normalized values.
Source retrieved:
A Prospective Evaluation of Contrast Sensitivity and Disability Glare in Refractive Surgery, a Sub-Study of: Initial Evaluation of Excimer Laser Keratorefractive Surgery in U.S. Army Personnel (WU # 2335-99)
University of Houston, College of Optometry
Houston, Texas, 77204-2020, United States
Zadnik K, Mutti DO, Friedman NE, Adams AJ. Initial cross-sectional results from the Orinda Longitudinal Study of Myopia. Optom Vis Sci. 1993 Sep;70(9):750-8. doi: 10.1097/00006324-199309000-00012.
Zadnik K, Satariano WA, Mutti DO, Sholtz RI, Adams AJ. The effect of parental history of myopia on children's eye size. JAMA. 1994 May 4;271(17):1323-7.
Zadnik K, Friedman NE, Mutti DO. Repeatability of corneal topography: the "corneal field". J Refract Surg. 1995 Mar-Apr;11(2):119-25. doi: 10.3928/1081-597X-19950301-12.
Mutti DO, Zadnik K, Adams AJ. The equivalent refractive index of the crystalline lens in childhood. Vision Res. 1995 Jun;35(11):1565-73. doi: 10.1016/0042-6989(94)00262-k.
Zadnik K, Mutti DO, Fusaro RE, Adams AJ. Longitudinal evidence of crystalline lens thinning in children. Invest Ophthalmol Vis Sci. 1995 Jul;36(8):1581-7.
Friedman NE, Zadnik K, Mutti DO, Fusaro RE. Quantifying corneal toricity from videokeratography with Fourier analysis. J Refract Surg. 1996 Jan-Feb;12(1):108-13. doi: 10.3928/1081-597X-19960101-20.
Friedman NE, Mutti DO, Zadnik K. Corneal changes in schoolchildren. Optom Vis Sci. 1996 Aug;73(8):552-7. doi: 10.1097/00006324-199608000-00006.
Mutti DO, Zadnik K, Fusaro RE, Friedman NE, Sholtz RI, Adams AJ. Optical and structural development of the crystalline lens in childhood. Invest Ophthalmol Vis Sci. 1998 Jan;39(1):120-33.
Kleinstein RN, Mutti DO, Manny RE, Shin JA, Zadnik K. Cycloplegia in African-American children. Optom Vis Sci. 1999 Feb;76(2):102-7. doi: 10.1097/00006324-199902000-00017.
Shin JA, Manny RE, Kleinstein RN, Mutti DO, Zadnik K. Short-term repeatability of hand-held keratometry measurements. Optom Vis Sci. 1999 Apr;76(4):247-53. doi: 10.1097/00006324-199904000-00029.
Zadnik K, Mutti DO, Kim HS, Jones LA, Qiu PH, Moeschberger ML. Tonic accommodation, age, and refractive error in children. Invest Ophthalmol Vis Sci. 1999 May;40(6):1050-60.
Zadnik K, Mutti DO, Friedman NE, Qualley PA, Jones LA, Qui P, Kim HS, Hsu JC, Moeschberger ML. Ocular predictors of the onset of juvenile myopia. Invest Ophthalmol Vis Sci. 1999 Aug;40(9):1936-43.
Kleinstein RN, Mutti DO, Sinnott LT, Jones-Jordan LA, Cotter SA, Manny RE, Twelker JD, Zadnik K; Collaborative Longitudinal Evaluation of Ethnicity and Refractive Error (CLEERE) Study Group. Uncorrected Refractive Error and Distance Visual Acuity in Children Aged 6 to 14 Years. Optom Vis Sci. 2021 Jan 1;98(1):3-12. doi: 10.1097/OPX.0000000000001630.