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11 February 2012 
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RCT to assess effects of undercorrection or full correction of hypermetropic & astigmatic refractive errors in children on time to optimum acuity, change in refractive error, compliance & acceptance of glasses & achievement of normal vision at 1 year
ISRCTN ISRCTN12271374
ClinicalTrials.gov identifier
Public title RCT to assess effects of undercorrection or full correction of hypermetropic & astigmatic refractive errors in children on time to optimum acuity, change in refractive error, compliance & acceptance of glasses & achievement of normal vision at 1 year
Scientific title
Acronym N/A
Serial number at source N0199157881
Study hypothesis To assess effects of initial undercorrection or full correction of hypermetropic & astigmatic refractive errors in children on time to optimum acuity, change in refractive error, compliance & acceptance of glasses & achievement of normal vision at 1 year
Lay summary
Ethics approval Added 05/09/08: Berkshire Research Ethics Committee (UK) ref 05/Q1602/21, 11/03/ 2005, approval renewed 2/.08/08.
Study design Double masked randomised controlled trial
Countries of recruitment United Kingdom
Disease/condition/study domain Eye Diseases: Hypermetropia
Participants - inclusion criteria Opportunistic sample of children aged between 3.5 and 6 years with simple hypermetropia and/or astigmatism as their only ocular diagnosis
Participants - exclusion criteria Manifest strabismus excluding non-accommodative microtropia and extropia, amblyopia which needs occlusion treatment.
Anticipated start date 12/03/2005
Anticipated end date 31/12/2010
Status of trial Completed
Patient information material Not available in web format, please use the contact details below to request a patient information sheet
Target number of participants Target 40 subjects assigned to 'Full Correction' group and 40 subjects assigned to 'Undercorrection' group.
Interventions Initial undercorrection vs full correction
Primary outcome measure(s) Time to optimum acuity, change in refractive error, compliance & acceptance of glasses, achievement of normal vision at one year.
Secondary outcome measure(s) No secondary outcome measures
Sources of funding Royal Berkshire and Battle Hospitals NHS Trust (UK)
Trial website
Publications
Contact name Dr  Anna  Horwood
  Address Department of Orthoptics
Royal Berkshire Hospital
London Road
  City/town Reading
  Zip/Postcode RG1 5AN
  Country United Kingdom
  Tel +44 (0)118 322 7683
  Fax +44 (0)118 987 7685
  Email a.m.horwood@reading.ac.uk
Sponsor Record Provided by the NHSTCT Register - 2005 Update - Department of Health (UK)
  Address The Department of Health
Richmond House
79 Whitehall
  City/town London
  Zip/Postcode SW1A 2NL
  Country United Kingdom
  Tel +44 (0)20 7307 2622
  Fax +44 (0)20 7307 2623
  Email dhmail@doh.gsi.org.uk
  Sponsor website: http://www.dh.gov.uk/Home/fs/en
Date applied 30/09/2005
Last edited 05/09/2008
Date ISRCTN assigned 30/09/2005
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