Photopsia
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Photopsias are a visual phenomenon experienced by individuals with a variety of ocular or optic pathway pathology. In lay terms they represent flashing lights, and can be divided into unstructured or structured photopsias, the latter referring to geometric shapes 2.
Pathology
Aetiology
Causes of photopsia include 1:
- ocular
- posterior vitreous detachment (most common)
- retinal tear and retinal detachment
- macular degeneration
- choroidal neovascularization
- retinitis pigmentosa
- central serous chorioretinopathy
- intraocular lens reflections
- intracranial pressure
- pseudotumour cerebri
- severe cough
- migraine
- hypoglycemia
- vertebrobasilar insufficiency
- Charles Bonnet syndrome
- digitalis
-<p><strong>Photopsias</strong> are a visual phenomenon experienced by individuals with a variety of ocular or optic pathway pathology. In lay terms they represent <strong>flashing lights</strong>, and can be divided into unstructured or structured photopsias, the latter referring to geometric shapes <sup>2</sup>. </p><p>Causes of photopsia include <sup>1</sup>: </p><ul>- +<p><strong>Photopsias</strong> are a visual phenomenon experienced by individuals with a variety of ocular or optic pathway pathology. In lay terms they represent <strong>flashing lights</strong>, and can be divided into unstructured or structured photopsias, the latter referring to geometric shapes <sup>2</sup>. </p><h4>Pathology</h4><h5>Aetiology</h5><p>Causes of photopsia include <sup>1</sup>: </p><ul>
-<li>migraine</li>- +<li><a title="Migraine" href="/articles/migraine">migraine</a></li>
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- refs
- cases
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