Blue field entoptic phenomenon has the appearance of tiny bright dots moving rapidly along squiggly lines in the visual field. It is much more noticeable when viewed against a field of pure blue light and is caused by white blood cells moving in the capillaries in front of the retina.
What does Entoptic phenomena look like?
What causes entoptic phenomenon?
The second phenomena, "dots of light darting about," is called the blue field entoptic phenomenon because it's easiest to see against a uniform blue field. These lights are caused by white blood cells coursing through the tiny capillaries on the retina's surface.
How do you see blue field Entoptic phenomenon?
Blue field entoptoscopy The patient is alternatingly shown blue light and a computer generated picture of moving dots; by adjusting the speed and density of these dots, the patient tries to match the computer generated picture to the perceived entoptic dots.
Is Blue entoptic phenomenon normal?
Most people can see this phenomenon in the sky, although it is rather weak, and many people do not notice it until asked to pay attention to it.
Why do I see squiggly lines when I look at the sky?
Is it a plane? No, it's your white blood cells moving through your blood vessels. When looking up at a blue sky, many people see tiny dots in their field of vision that follow squiggly lines. These move in sync with our pulse, briefly accelerating with every heartbeat, and they usually disappear after about a second.
Is Entoptic phenomenon normal?
Entoptic phenomena are visual perceptions arising from sources within the eye rather than the outside world. Most are harmless phenomena that are usually either not perceived or ignored but that may be noticed by a bright young child. They are noticed under special viewing or light conditions.
Does blue field Entoptic phenomenon go away?
These “blue-sky sprites” normally disappear after a second or less. Their movement may seem squiggly, following the path of the capillaries in your eyes. And their speed varies in time with your pulse, accelerating with your heartbeat.
Is entoptic phenomenon normal?
Entoptic phenomena are visual perceptions arising from sources within the eye rather than the outside world. Most are harmless phenomena that are usually either not perceived or ignored but that may be noticed by a bright young child. They are noticed under special viewing or light conditions.
What is self light of the eye?
The blue field entoptic phenomenon is described as uncountable little grey/white/black dots or rings shooting over visual field in both eyes when looking at homogeneous bright surfaces, such as the blue sky; self-light of the eye is described as colored waves or clouds when closing the eyes in the dark; spontaneous …