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  • Title: Retinal Circadian Clocks are Major Players in the Modulation of Retinal Functions and Photoreceptor Viability.
    Author: DeVera C, Baba K, Tosini G.
    Journal: Yale J Biol Med; 2019 Jun; 92(2):233-240. PubMed ID: 31249484.
    Abstract:
    Circadian rhythms control many biochemical and physiological functions within the body of an organism. These circadian rhythms are generated by a molecular clock that is located in almost every cell of the body. Accumulating data indicate that dysfunction of the circadian clock negatively affects the health status of the tissue in which the circadian clock has been disabled. The eye also contains a complex circadian system that regulates many important functions such as the processing of light information, the release of neurotransmitters, and phagocytic activity by the retinal pigment epithelium, to name just a few. Emerging experimental evidence indicates that dysfunction of the circadian clock within the retina has severe consequence for retinal function and photoreceptor viability. The aim of this review is to provide the reader with a summary of current knowledge about the eye circadian system and what effects emerge with a disruption of this system.
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