Dehydration injury as a possible cause of visual field defect after pars plana vitrectomy for macular hole
JC Welch - American journal of ophthalmology, 1997 - Elsevier
JC Welch
American journal of ophthalmology, 1997•ElsevierPurpose To present the hypothesis that a visual field defect after pars plana vitrectomy for
macular hole may be caused by dehydration injury to the nerve fiber layer during the fluid-air
exchange. Methods In a consecutive nonrandomized series of 45 operations on 35 eyes of
34 patients with full-thickness macular hole, the surgical method was changed with
postoperative visual field testing performed. Result The incidence and location of the
postoperative visual field defect was affected only by changing the location of the infusion …
macular hole may be caused by dehydration injury to the nerve fiber layer during the fluid-air
exchange. Methods In a consecutive nonrandomized series of 45 operations on 35 eyes of
34 patients with full-thickness macular hole, the surgical method was changed with
postoperative visual field testing performed. Result The incidence and location of the
postoperative visual field defect was affected only by changing the location of the infusion …
Purpose
To present the hypothesis that a visual field defect after pars plana vitrectomy for macular hole may be caused by dehydration injury to the nerve fiber layer during the fluid-air exchange.
Methods
In a consecutive nonrandomized series of 45 operations on 35 eyes of 34 patients with full-thickness macular hole, the surgical method was changed with postoperative visual field testing performed.
Result
The incidence and location of the postoperative visual field defect was affected only by changing the location of the infusion cannula.
Conclusion
Dehydration injury of the nerve fiber layer during the fluid-air exchange should be considered as a possible cause of visual field defect after pars plana vitrectomy for macular hole.
Elsevier
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