photopsia


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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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Patients should be advised to seek medical attention if they have persistent blurry vision following injury, symptoms of photopsia, floaters or loss of vision.
Positive NSS included one or more of the following: 1) persistent headaches resistant to treatment; 2) hyperreflexia, or; 3) visual troubles, including blurry vision, scotoma, floaters, photopsia, or temporal-cortical blindness.
The visual symptoms include blurred vision, scotoma, photopsia, diplopia, visual field defects, and ended by blindness.
scotomata, photopsia, diplopia, blurry vision) as in the second patient presented in this report, may be associated with pre-eclampsia.
Photopsia, which may persist after ending treatment, has also been associated with the use of voriconazole (39).
(8) Less frequent side effects such as ocular pain, photopsia, and irritation have also been reported.
The most common side effect (30%) of oral and intravenous voriconazole administration is photopsia, or visual disturbances (patients describe increased brightness or blurred vision) that are transient and reversible.
A 50-year-old Caucasian male with a history of multiple drug-resistant HIV but without prior retinopathy presented with complaints of seeing strobe-like photopsia in both eyes, constant tearing from the left eye for 2 weeks with pain nasally when rubbed, chronic photophobia, and black/white temporal flashes bilaterally for 1 week but no decreased vision.
The retinologist stated that the patient would observe numerous "strange" things in the eye during recovery including flashes of light (photopsia) at the periphery of the eye.
When E2 prostaglandins are released, we have the aura, which is a classic premonitory manifestation of migraine and may be accompanied by nausea, vomiting, photopsia, tachycardia, sweating, and intolerance to light.
The diagnostic criteria for AZOOR were as follows: acute visual field or vision loss usually with concurrent photopsia; one or more visual field defect regions that could not be explained by funduscopic examination or fluorescein angiography (FA); decreased multifocal ERG responses corresponding to retinal sites with visual field defects; and outer retinal morphologic abnormalities, including absence or discontinuity of the ellipsoid zone and/or the interdigitation zone on OCT [2, 4, 5, 17].
A 33-year-old man presented to Clinical Department of Ophthalmology, Kragujevac Clinical Center, with the symptoms of photopsia and decreased visual acuity of 0.05 on the right eye and 1.0 on the left eye (Snellen charts), which developed after a febrile flulike episode.