The term macular star pattern is indebted to the Latin noun macula, which means spot. It is used to denote a physiological " entoptic phenomenon characterized by bright radial spokes. It would seem that some 20% of the individuals in the general population are able to produce the macular star pattern, usually by blinking.
References
Tyler, C.W. (1978). Some new entoptic phenomena. Vision Research, 18, 1633-1639.
Dictionary of Hallucinations. J.D. Blom. 2010.