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FULL-THICKNESS MACULAR HOLE FORMATION FOLLOWING PANRETINAL PHOTOCOAGULATION FOR PROLIFERATIVE DIABETIC RETINOPATHY
Joseph B Alsberge1, H Richard McDonald2
1Retina Service, Department of Ophthalmology, Northwest Permanente, Vancouver, Washington; and.
Purpose:
To report two patients who developed full-thickness macular holes following panretinal photocoagulation for proliferative diabetic retinopathy.
Methods:
Case series.
Results:
Case 1 was a 58-year-old woman with Type 1 diabetes mellitus and proliferative diabetic retinopathy and Case 2, a 72-year-old man with Type 2 diabetes mellitus and proliferative diabetic retinopathy. Before panretinal photocoagulation, each patient had an epiretinal membrane and an irregular foveal contour noted on optical coherence tomography. At 2 months follow-up, each patient showed foveal floor thinning and Case 2 also had a lamellar macular hole. At 6 months follow-up, each patient had a full-thickness macular hole. Each were successfully repaired with vitrectomy, membrane peeling, and gas tamponade.
Conclusion:
The relationship between hole formation and previous panretinal photocoagulation in the patients reported here is unclear and possibly coincidental.
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