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Why do I sometimes get bright wavy lines in my vision?

Your symptoms sound suspicious for an ophthalmic migraine (migraine without a headache). An ophthalmic migraine often includes zigzag lines, colored lights, or flashes of lights expanding to one side of your vision over 10 to 30 minutes. While what you described is not likely to be a sign of a more serious problem, you should consider scheduling an evaluation with your local Eye M.D..

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.