![]() ![]() Instead of bright, flickering lights, some people experience zig-zag lines traveling across the blind spot. Damaged optic nerve: This nerve carries visual information from the retina to the brain. Shimmering, zig-zag lines within the blind spot.spots or stars Zigzag lines which float across the line of vision. Seizure: This is an episode of erratic electrical activity in the brain. Retinal migraine which has a visual disturbance in one eye Migraine with an aura.Transient ischemic attack: Blood flow is temporarily blocked in the brain.Migraine-related flashes: These can occur when the visual cortex of the brain is activated during an attack.Diabetes-related blood in the eye from diabetic retinopathy: The blood leaking from the vessels can cause scarring on the retina, which can pull, resulting in flashes of light and possibly a detachment.Unlike other forms of migraine, they may occur without any accompanying head pain. An ophthalmic migraine often includes zigzag lines, colored lights. The jagged lines of the fortification specter may. Or, a small tear in the retina allows fluid to seep through and collect behind the retina. Ocular Migraine is a term that has been used to refer to a number of migraine subtypes that are characterized by a variety of visual disturbances including visual loss, blind spots, zig-zag lines, or seeing stars. Your symptoms sound suspicious for an ophthalmic migraine (migraine without a headache). the temporal side by a luminous zigzag line, or teichopsia (Greek word meaning fortification-seeing). ![]() Typically you will see a small, enlarging blind spot (scotoma) in your central vision with bright, flickering lights (scintillations) or a shimmering zig-zag line (metamorphopsia) inside the blind spot. It can cause the retina to pull away from the back of the eye. What does it mean when you see zig-zag lines in your vision People with ocular migraines can have a variety of visual symptoms. Scar tissue on the retina pulls on the area, resulting in flashes. Retinal detachment or retinal tear: These can happen if there's fluid leaking behind the retina.It can tug on the light-sensitive retina, causing flashes. Posterior vitreous detachment: This happens when the jelly in the eye begins to shrink as you age. ![]()
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