Tag: retinal blood vessels


Entoptic Phenomena: Mapping Your Hidden Retinal World

Entoptic Phenomena: Mapping Your Hidden Retinal World

Introduction and Definition The term Purkinje figures refers to a classic entoptic phenomenon defined as the visual recognition of one’s own retinal blood vessels. This intricate network of vessels, which nourishes the retina, normally remains invisible because the visual system rapidly adapts to stationary stimuli—a crucial mechanism known as Troxler’s fading. The visualization of the […]

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