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Photopsia is the presence of perceived flashes of light in the field of vision. It is most commonly associated with: [4] posterior vitreous detachment; migraine aura (ocular migraine / retinal migraine) migraine aura without headache; scintillating scotoma; retinal break or detachment; occipital lobe infarction (similar to occipital stroke)
Retinal detachment: Symptoms include floaters, flashes of light across your visual field, or a sensation of a shade or curtain hanging on one side of your visual field. Optic neuritis : Inflammation of the optic nerve from infection or multiple sclerosis may cause blurring of vision. [ 14 ]
The risk of retinal detachment in otherwise normal eyes is around 5 in 100,000 per year. [4] Detachment is more frequent in the middle-aged or elderly population with rates of around 20 in 100,000 per year. [5] The lifetime risk in normal eyes is about 1 in 300. [6]
Patients suffering from blepharospasm also report sensory symptoms including sensitivity to light, [14] [15] dry eyes, [16] and burning sensation and grittiness in the eyes. [4] Although such symptoms tend to precede the onset of the blepharospasm, they may both be due to a common third factor.
At least 1 of the following: afterimages or trailing of moving objects. ii. Enhanced entoptic phenomena. At least 1 of the following: excessive floaters in both eyes, excessive blue field entoptic phenomenon, self-light of the eye , or spontaneous photopsia. iii. Photophobia. iv. Nyctalopia; impaired night vision.
Moore's lightning streaks are lightning type streaks (seen to the temporal side) due to sudden head or eye movement in the dark. They are generally caused by shock waves in the vitreous humor hitting the retina or traction on the retina from fibers in the vitreous humor.
Measuring 7.87" x 5.51" x 4.33" and weighing 1.46 pounds, it comes equipped with five built-in modes for a more contoured experience. ... I noticed some improvement each morning in the puffiness ...
As a progressive, chronic condition, signs and symptoms of Fuchs dystrophy gradually progress over decades of life, starting in middle age. Early symptoms include blurry vision upon wakening which improves during the morning, [2] as fluid retained in the cornea is unable to evaporate through the surface of the eye when the lids are closed overnight.