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Visual Acuity
Refraction, Ocular
Retrospective Studies
Prospective Studies
Risk Factors
Treatment Outcome
Evaluation Studies
Time Factors
Keratotomy, Radial
Laser In Situ Keratomileusis
Myopia
Stroke
Constriction, Pathologic
Intracranial Arteriosclerosis
Intracranial Arterial Diseases
Refractive Errors
Warfarin
Aspirin
Anticoagulants
Cornea
Co-Publications
23
17
10
8
7
6
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