You can now get the best of both worlds for your IP edge network: virtualization and specialized routing hardware. So your networks can be fully optimized with the right routing platform in the right network location for your chosen mix of services. The 7750 SR is a high-performance, multiservice IP edge router.
School of Medicine, Family Medicine answered. The symptoms of a silent migraine are usually visual disturbances, dizziness or nausea, without a headache. Silent migraines are very unusual because nearly all migraine attacks cause a headache and are therefore not considered silent migraines.
Migraines and Vision Problems. Roughly 20% of migraine headaches are preceded by an aura. The aura often includes visual symptoms. Vision problems usually appear 20 minutes to one hour before the headache starts. They may include blind spots or the appearance of flashing lights, spots of light, or wavy lines in the field of vision.