photopsia

(redirected from Photopsias)
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photopsia

(fəʊˈtɒpsɪə)
n
(Medicine) med a rare disease of the eye's retina that results in the perception of flashes of light
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Photopsias as an initial manifestation of AIDS secondary to cerebral toxoplasmosis: case report
A 23-year-old-female patient presented in the Outpatients Department of the Ophthalmiatreio Eye Hospital of Athens due to vision deterioration in her right eye and photopsias bilaterally.
AZOOR, thought of predominantly in young women, includes a rapid loss of one or more large zones of outer retinal function and photopsias with minimal fundus changes.
The temporal scotoma and photopsias may take considerably longer to resolve (several months).
Symptoms that patients may report include blurred vision from optic nerve dysfunction or from induced hypermetropia (the eyeball is shortened by pressure from the dilated optic nerve sheath), transient visual obscurations (often postural), photopsias and transient or persistent diplopia (there may be third, fourth or sixth cranial nerve palsy due to raised ICP).
Entopic phenomena are sensations that arise from the eyes and include photopsias, characterized by seeing lights, colors, sparks, and moving blobs or lines.