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Non-Foveal Macular Holes After PPV for Macular Pucker
Mostafa Abdellatif Abo El Enin1, Hesham M El-Toukhy, Ahmed Swelam
1Department of Ophthalmology, Tanta University, Tanta, Al Gharbiyah Governorate, Egypt.
Purpose:
To describe six patients (six eyes) who developed an eccentric macular hole after surgery for idiopathic epimacular proliferation.
Materials And Methods:
Review of records from six patients who developed eccentric macular holes postoperatively following vitrectomy in 107 consecutive cases with peeling of the epimacular proliferation and internal limiting membrane (ILM) from June 2004 to January 2009
Results:
Eccentric macular holes were developed from nine days to eight months (mean, 3.1 months) after epimacular proliferation peeling. The ILM was peeled in addition to the epimacular proliferation in five of the six cases. Of the six eccentric macular holes, four were located temporal to the fovea, one was located superior to the fovea, and one was located nasal to the fovea. Final visual acuities after a mean follow-up period of 17.3 months were 20/20 in two eyes, 20/25 in one eye, 20/40 in two eyes, and 5/200 in one eye. The eye with the eccentric macular hole nasal to the fovea had the poorest final visual acuity of 5/200.
Conclusion:
Eccentric macular holes occurring after vitrectomy to remove epimacular proliferation is an uncommon postoperative finding. Various explanations have been suggested for the etiology of these holes, but there is no consensus. We suggested that the ILM tear should be initiated with a diamond dusted knife to reduce the likelihood of injury to the underlying Muller cells that may contribute to the formation of eccentric macular holes.
