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Hi. I'm online and happy to answer your question today.
You are experiencing an ocular migraine
A typical migraine headache starts with shimmering lights, often times they surround a blurry area or have dots or jaggedly lines associated with them. They tend to progressively increase in intensity and sometimes march across the visual field causing difficulty with reading. Many times this is then accompanied by nausea, irritability, sensitivity to bright lights and/or loud noises. After the onset of the lights (called scintillating scotomas), the headache typically starts and the light show tends to progressively go away.
Many people can have this migraine phenomenon without the headache; it is called an acephalgic migraine. Some people even start having these late in life, or may have had a few much earlier in life that behaved differently and haven't had any for decades and then begin to have them; this is not uncommon. A family history of migraines is often present as well.
This is nothing to worry about. It is not a sign of a more serious underlying condition, brain tumor or anything like that. If the episodes become so frequent that they are bothersome there are medicines that can be used to decrease their frequency or stop an episode once it has started.
I am a retina surgeon and can tell you that your symptoms are NOT a sign of a retinal detachment in progress :)
I, personally, have been suffering from this condition for almost 30 years. I almost never got the headaches after the visual effects.
Does this make sense to you?
Could it have anything to do with me being pregnant. I have never experienced this before
Many things can trigger migraines to suddenly start, become more frequent etc, and yes -- pregnancy is one of them. Just another little joy to add to the long list of the fun things to be found with being pregnant lol! (My oldest daughter is pregnant with our first grand baby so I'm personally dealing with this stuff almost every day right now....)
Congrats! Thank you so much for your help. Good luck with your new grandbaby!
And congrats to you too! Take care and try not to worry....
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ok thank you