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Miyaji A

Miyaji A

Japan

Publications
  • Research Article
    Effect of Aging on the Blowout Time in Various Ocular Vessels
    Author(s): Miyaji A, Ikemura T and Hayashi NMiyaji A, Ikemura T and Hayashi N

    The blowout time (BOT) is an index for assessing vascular function based on pulse wave analysis using laser speckle flowgraphy (LSFG). The BOT in the optic nerve head (ONH) is reportedly correlated with age. The ONH contains various vessels with differing properties, and it is unclear whether aging affects these vessels at similar rates. With the aim of using the BOT for the early detection of vascular changes, this study investigated whether there are regional differences in the effect of aging on the BOTs among the vessel area (MV), tissue area (MT), and all areas (MA) of the entire ONH, retinal artery (RA), retinal and choroidal vessels (RCV), and retinal vein (RV). We measured the ocular blood flow velocity for 6 s in 14 young and 14 middle-aged males (20 ± 2 years and 51 ± 10 years) three times using LSFG. The BOTs in the MV, MT, MA, RA, RCV, and RV were determined .. Read More»
    DOI: 10.4172/2329-8847.1000148

    Abstract PDF