1. Study results suggest performing OCTs at same time of day

    Study results suggest performing OCTs at same time of day

    Researchers determined that minimum rim width measures on OCT can vary significantly from one 12-hour period to the next, so the test should be conducted at the same time of day to optimize repeatability, they said Laura P. Pardon, OD, MS, FAAO, an American Academy of Optometry Ezell Fellow, shared these study results during an academy-sponsored press conference here at the AAO meeting . “It’s important to understand changes in the optic nerve head throughout the day,” she said at the press conference, so she and her colleagues sought, “to determine repeatability for optic nerve OCT parameters within a given ...

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  2. Quotes

    1. We quantified the OCT parameters of Bruch's membrane opening height (the measurement of the anterior and posterior position of Bruch's membrane) and minimum rim width (the measurement of the neuroretinal thickness) with radial scans.
    2. We found a considerable decrease in minimum rim width (MRW) throughout the day – 11 microns.
    3. We quantified the OCT parameters of Bruch's membrane opening height (the measurement of the anterior and posterior position of Bruch's membrane) and minimum rim width (the measurement of the neuroretinal thickness) with radial scans.
    4. We found a considerable decrease in minimum rim width (MRW) throughout the day – 11 microns.