TY - JOUR
T1 - Nonarteritic anterior ischemic optic neuropathy and 'visual field defects' following vitrectomy
T2 - Could they be related?
AU - Taban, Mehran
AU - Lewis, Hilel
AU - Lee, Michael S.
N1 - Funding Information:
Grant Support: Supported in part by an nnrestricted grant from Research to Prevent Blindness, New York, NY (MSL).
PY - 2007/4
Y1 - 2007/4
N2 - Background: Visual field defects after uncomplicated vitrectomy have been reported but poorly explained. We describe two cases of nonarteritic anterior ischemic optic neuropathy (NAION) observed following vitrectomy. We also reviewed the literature for cases of post-vitrectomy visual field defects for evidence of optic nerve damage. Methods: Two patients developed optic disc edema and features of an optic neuropathy after uncomplicated vitrectomy for macular hole and epiretinal membrane. A systematic literature search was conducted to obtain prior reports of visual field defects or ischemic optic neuropathy following vitrectomy. Additional studies were identified from the bibliographies of the retrieved articles. Results: The incidence of visual field defects following vitrectomy has varied from 1-71% across all studies. Overall, we found 160 (14.5%) cases of unexplained visual field defects following vitrectomy out of 1,104 patients. Of these, 31 eyes (19.4%) have shown some sign of optic nerve damage following vitrectomy, including pallor in 29 eyes, relative afferent pupillary defect in eight eyes, and intrapapillary hemorrhage in two eyes. Conclusions: NAION may develop following vitrectomy. "Visual field defects" following vitrectomy are common and many of the involved eyes demonstrate evidence of optic nerve damage, some of which may have represented NAION.
AB - Background: Visual field defects after uncomplicated vitrectomy have been reported but poorly explained. We describe two cases of nonarteritic anterior ischemic optic neuropathy (NAION) observed following vitrectomy. We also reviewed the literature for cases of post-vitrectomy visual field defects for evidence of optic nerve damage. Methods: Two patients developed optic disc edema and features of an optic neuropathy after uncomplicated vitrectomy for macular hole and epiretinal membrane. A systematic literature search was conducted to obtain prior reports of visual field defects or ischemic optic neuropathy following vitrectomy. Additional studies were identified from the bibliographies of the retrieved articles. Results: The incidence of visual field defects following vitrectomy has varied from 1-71% across all studies. Overall, we found 160 (14.5%) cases of unexplained visual field defects following vitrectomy out of 1,104 patients. Of these, 31 eyes (19.4%) have shown some sign of optic nerve damage following vitrectomy, including pallor in 29 eyes, relative afferent pupillary defect in eight eyes, and intrapapillary hemorrhage in two eyes. Conclusions: NAION may develop following vitrectomy. "Visual field defects" following vitrectomy are common and many of the involved eyes demonstrate evidence of optic nerve damage, some of which may have represented NAION.
KW - Ischemic optic neuropathy
KW - Visual field defects
KW - Vitrectomy
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U2 - 10.1007/s00417-006-0420-5
DO - 10.1007/s00417-006-0420-5
M3 - Article
C2 - 17024437
AN - SCOPUS:33947590986
SN - 0721-832X
VL - 245
SP - 600
EP - 605
JO - Graefe's Archive for Clinical and Experimental Ophthalmology
JF - Graefe's Archive for Clinical and Experimental Ophthalmology
IS - 4
ER -