Contact information
Type
Scientific
Primary contact
Dr CM Dickinson
ORCID ID
Contact details
Department of Optometry and Neuroscience
UMIST
PO Box 88
Manchester
M60 1QD
United Kingdom
+44 (0)161 200 3874
chris.dickinson@umist.ac.uk
Additional identifiers
EudraCT number
ClinicalTrials.gov number
Protocol/serial number
1071/530
Study information
Scientific title
Acronym
Prism Spectacles Study
Study hypothesis
To study prism spectacles in reducing the disability of patients
Ethics approval
Not provided at time of registration
Study design
Randomised controlled trial
Primary study design
Interventional
Secondary study design
Randomised controlled trial
Trial setting
Not specified
Trial type
Treatment
Patient information sheet
Condition
Age-related macular degeneration
Intervention
1. Prism spectacles prescribed to established protocol
2. Prism spectacles with prism of standard value
3. Placebo spectacles made to appear like prism spectacles
Intervention type
Other
Phase
Not Specified
Drug names
Primary outcome measures
Not provided at time of registration
Secondary outcome measures
Not provided at time of registration
Overall trial start date
01/02/2001
Overall trial end date
01/02/2004
Reason abandoned
Eligibility
Participant inclusion criteria
1. Bilateral ARMD
2. Visual Acuity (VA) 6/18 to 1/60 binocularly
3. Clinically stable (by visual acuity) with bilateral central scotoma
4. Reporting difficulty with everyday tasks
Participant type
Patient
Age group
Adult
Gender
Both
Target number of participants
225
Participant exclusion criteria
Not provided at time of registration
Recruitment start date
01/02/2001
Recruitment end date
01/02/2004
Locations
Countries of recruitment
United Kingdom
Trial participating centre
Department of Optometry and Neuroscience
Manchester
M60 1QD
United Kingdom
Sponsor information
Organisation
The Health Foundation (UK)
Sponsor details
90 Long Acre
London
WC2E 9RA
United Kingdom
+44 (0)20 7257 8000
info@health.org.uk
Sponsor type
Charity
Website
Funders
Funder type
Charity
Funder name
The Health Foundation (UK)
Alternative name(s)
Funding Body Type
Funding Body Subtype
Location
Results and Publications
Publication and dissemination plan
Not provided at time of registration
Intention to publish date
Participant level data
Not provided at time of registration
Results - basic reporting
Publication summary
2005 results in http://www.ncbi.nlm.nih.gov/pubmed/16087836
Publication citations
-
Results
Smith HJ, Dickinson CM, Cacho I, Reeves BC, Harper RA, A randomized controlled trial to determine the effectiveness of prism spectacles for patients with age-related macular degeneration., Arch. Ophthalmol., 2005, 123, 8, 1042-1050, doi: 10.1001/archopht.123.8.1042.