1. Spectral-Domain Optical Coherence Tomography Study on Dynamic Changes of Human Tears after Instillation of Artificial Tears

    Spectral-Domain Optical Coherence Tomography Study on Dynamic Changes of Human Tears after Instillation of Artificial Tears

    Purpose: To analyze in vivo the dynamic changes induced by different artificial tears (ATs) in the precorneal tear film (PCTF) and lower tear meniscus (LTM) by using a Spectral-domain anterior segment optical coherence tomography (SD-OCT). Methods: We prospectively examined forty-two normal human eyes by using SD-OCT imaging. On the day before OCT imaging, all enrolled subjects were evaluated for abnormalities of ocular surface. All tear film images were obtained before and after instillation of three different types of ATs (mucomimetic, lipid-based and saline) in five serial scans: immediately (within 30 seconds), at the 1st, at the 5th, at the 10th ...

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