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Blue field entoptoscopy in diabetic retinopathy
R N Mittl1, R Tiwari, E Wilkes
1Edward S. Harkness Eye Institute, Columbia-Presbyterian Medical Center, New York, New York 10032.
Indian Journal of Ophthalmology
|January 1, 1990
Summary
Blue field entoptoscopy reveals fewer "flying corpuscles" in advanced diabetic retinopathy. However, patients treated with argon laser photocoagulation showed better corpuscle counts, suggesting a protective effect.
Area of Science:
- Ophthalmology
- Medical Science
Background:
- Diabetic retinopathy is a leading cause of vision loss.
- The blue field entoptic phenomenon (BFEP) involves subjective perception of "flying corpuscles."
Purpose of the Study:
- To investigate the relationship between diabetic retinopathy severity and the blue field entoptic phenomenon.
- To assess the impact of photocoagulation treatment on BFEP in diabetic retinopathy patients.
Main Methods:
- Blue field entoptoscopy (BFEP) was conducted on 50 consecutive patients with diabetic retinopathy.
- Correlations between BFEP parameters, vitreous hemorrhage, retinopathy severity, and photocoagulation history were analyzed.
Main Results:
- A statistically significant reduction in "flying corpuscles" was observed in eyes with vitreous hemorrhage and severe/proliferative diabetic retinopathy.
- Patients with a history of focal or panretinal photocoagulation demonstrated improved corpuscle counts compared to untreated patients.
Conclusions:
- Argon laser photocoagulation may be beneficial in preserving the blue field entoptic phenomenon in diabetic retinopathy.
- BFEP may serve as a potential indicator related to the progression and treatment of diabetic retinopathy.