Entoptic phenomenon - Wikipedia
Entoptic phenomena (from Ancient Greek ἐντός (entós) 'within' and ὀπτικός (optikós) 'visual') are visual effects whose source is within the human eye itself. (Occasionally, these are called entopic phenomena, which is probably a typographical mistake.)
Reflecting on Entoptic Phenomena - Review of Optometry
2017年3月15日 · The image that appears to them is an instance of entoptic phenomena (EP), a phrase derived from the Greek words ‘inside’ and ‘light’ or ‘vision’, which describes the ability of an individual to perceive substances endogenous to their own eye, such as retinal vessels or vitreous opacities. 1,2 The presence or absence of different ...
What Are the Moving Dots I See When I Look at a Clear Blue Sky?
2023年5月2日 · What Is The Blue Field Entoptic Phenomenon? The moving dots you see when staring at the sky are created by your own white blood cells flowing through your eyes. Blood flows to your eyes through blood vessels that pass over the retina — the part of your eye that acts as a receptor for all light.
Blue field entoptic phenomenon - Wikipedia
The blue field entoptic phenomenon is an entoptic phenomenon characterized by the appearance of tiny bright dots (nicknamed blue-sky sprites) moving quickly along undulating pathways in the visual field, especially when looking into bright blue light such as the sky. [1]
Entoptic Phenomenon - an overview | ScienceDirect Topics
Entoptic phenomena are the continuous viewing of new stimuli, different from the persistent or recurrence of a previously viewed stimulus (palinopsia). Entoptic phenomena may be the result of visual pathway hypersensitivity causing the perception of normally subthreshold stimuli.
Common entoptic phenomena and their clinical significance.
2010年1月29日 · A great variety of entoptic phenomena are observable and their causes are almost as numerous. Some have optical causes such as diffraction effects or polarisation of light, whilst others have a more physiological origin and include vascular effects and variation in pigmentation in the macula.
Meet The Culprits Behind Bright Lights And Strange Floaters in …
2014年12月24日 · 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...
Foundation Volume 2, Chapter 20. ENTOPTIC IMAGERY AND …
The term entoptic phenomena, derived from the Greek for “things perceived within vision,” refers to the visual sensations that arise from causes within the eye or visual system.
Entoptic phenomenon (Concept Id: C0042795) - National Center …
Visual sensations caused by changes within the eye itself, rather than by the normal light stimulation process. Entoptic phenomena are classified in the syndrome as floaters, blue field entoptic phenomenon, photopsia and self-light of the eye.
Entoptic Imagery and Afterimages | Ento Key
2016年7月11日 · The term entoptic phenomena, derived from the Greek for “things perceived within vision,” refers to the visual sensations that arise from causes within the eye or visual system.
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