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However, in some cases it can cause troublesome vision distortion. Here are the most common signs and symptoms of astigmatism: 1  Blurring or distortion of images at all distances. 2  Headache. 3  Fatigue. 4  Squinting. 5  Eye discomfort or irritation. 6  Difficulty seeing at night.
Symptoms of SVT. Usually, patients with SVT see a physician first in their teens, twenties, thirties or forties, but SVT can begin at any age. Patients usually have âspellsâ consisting symptoms of palpitations or out right tachycardia. Associated symptoms may include chest pain, pulsations in the neck, dyspnea, light-headedness, fatigue, sweating, etc.