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Flash blindness is an either temporary or permanent visual impairment during and following exposure of a varying length of time to a light flash of extremely high intensity, such as a nuclear explosion, flash photograph, lightning strike, or extremely bright light, i.e. a searchlight, laser pointer, landing lights or ultraviolet light. [1]
Peripheral (posterior) vitreous detachment occurs when the gel around the eye separates from the retina. This can naturally occur with age. However, if it occurs too rapidly, it can cause photopsia which manifests in flashes and floaters in the vision. Typically, the flashes and floaters go away in a few months.
The red-eye effect in photography refers to the common appearance of red pupils in color photographs of human eyes. It occurs when using a photographic flash at low lighting or at night. When a flash passes through the eyes and rebounds at the back of the eye, it causes a red reflex in an image, turning the
Floaters drift around your field of vision and dart away when you try to look at them directly, eventually settling at the bottom of your eye and out of your sightline. Floaters appear when the ...
The strobe light effect can cause persons who are vulnerable to flicker vertigo to experience symptoms such as: Become disoriented and/or nauseated; Blink rapidly; Experience rapid eye movements behind closed eyelids; Lose control of fine motor functions; Experience muscle rigidity
"Eye infections can cause floaters if the infection is severe enough to cause white blood cells to be released into the eye to try to fight off the infection," Dr. Bert explains. 5. Uveitis