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Visual field defect associated with laser in situ keratomileusis
D M Bushley1, V C Parmley, P Paglen
1Department of Ophthalmology, Madigan Army Medical Center, Tacoma, Washington 98431, USA. mbushley@aol.com
Purpose:
To report a case of visual field defect associated with laser in situ keratomileusis.
Methods:
Case report. A 28-year-old woman with high myopia (-10D) and a family history of normal tension glaucoma underwent bilateral laser in situ keratomileusis keratorefractive surgery. Preoperatively, both eyes had normal intraocular pressure and visual field.
Results:
At the first postoperative visit 1 day after apparently uncomplicated laser in situ keratomileusis, the patient reported a scotoma in the right eye. At 3-month follow-up, visual fields revealed the patient had developed a near-superior altitudinal visual field defect in the right eye. The defect did not progress over 1 year of follow-up examinations.
Conclusion:
Increased intraocular pressure associated with the microkeratome vacuum ring used during laser in situ keratomileusis may have precipitated optic nerve head ischemia and visual field defect.