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Central corneal light scatter in long-term diabetics
R Holden1, G A Shun-Shin, N A Brown
1Clinical Cataract Research Unit, Nuffield Laboratory of Ophthalmology, Oxford, UK.
Eye (London, England)
|January 1, 1994
Summary
Measuring central corneal light scatter did not reveal differences between diabetic patients and controls. This method is not suitable for screening diabetic retinopathy, despite correlations between corneal thickness and disease severity.
Area of Science:
- Ophthalmology
- Diabetology
- Biomedical Optics
Background:
- Corneal thickness changes are linked to diabetic retinopathy severity.
- Central corneal light scatter may indicate corneal thickness variations.
Purpose of the Study:
- To investigate if central corneal light scatter can detect changes related to diabetic retinopathy.
- To compare light-scattering properties in diabetic patients and controls.
Main Methods:
- Compared peak central corneal light scatter measurements.
- Included 22 insulin-dependent diabetic patients (disease duration >10 years) and 29 controls.
Main Results:
- No significant difference in central corneal light scatter was observed between diabetic patients and controls.
- The light-scattering properties of the central cornea did not differ between the groups.
Conclusions:
- Measuring central corneal light scatter is not an effective method for screening diabetic retinopathy.
- The technique does not correlate with the presence or severity of diabetic retinopathy.
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