Comparison of optical coherence tomography models OCT1 and Stratus OCT for macular retinal thickness measurement

Aims: To compare the values measured for retinal macular thickness with the first and last generations of the optical coherence tomograph (OCT1 and Stratus OCT, Zeiss, Humphrey Division). Methods: This was a cohort study. 59 eyes were examined: 17 had a normal macula and 42 had a diabetic macular oe...

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Bibliographic Details
Published in:British journal of ophthalmology 2005-12, Vol.89 (12), p.1581-1585
Main Authors: Pierre-Kahn, V, Tadayoni, R, Haouchine, B, Massin, P, Gaudric, A
Format: Article
Language:English
Subjects:
Adult
Biological and medical sciences
Boundaries
Clinical Science - Scientific Reports
Cohort Studies
Diabetes
Diabetic retinopathy
Diabetic Retinopathy - diagnosis
Diagnostic Techniques, Ophthalmological
Female
Humans
inner segment
Macula Lutea - pathology
Macular Edema - diagnosis
macular oedema
Male
Medical sciences
Middle Aged
Miscellaneous
OCT
Ophthalmology
optical coherence tomography
outer segment
Reproducibility of Results
Retina
retinal pigment epithelium
retinal thickness
RPE
Software
Studies
Tomography, Optical Coherence - instrumentation
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Summary:Aims: To compare the values measured for retinal macular thickness with the first and last generations of the optical coherence tomograph (OCT1 and Stratus OCT, Zeiss, Humphrey Division). Methods: This was a cohort study. 59 eyes were examined: 17 had a normal macula and 42 had a diabetic macular oedema. In each eye, mean retinal thickness (RT) was measured automatically in the nine macular Early Treatment Diabetic Retinopathy Study areas and at the foveal centre, using OCT1 and Stratus OCT. The paired mean RT values for each area and the type and proportion of artefacts were compared. Results: Of the 590 automatic measurements, 505 had no artefact, either with OCT1 or Stratus OCT. The mean difference between the OCT1 and Stratus OCT measurements was 25 (SD 26.2) μm (p
ISSN:0007-1161
1468-2079
DOI:10.1136/bjo.2005.069815