Vascular characteristics and haemodynamics of severe and mild pterygium: a quantitative analysis.

However, blood flow velocities (Va and Vs) showed an increasing trend from the control group to the mild and severe pterygium groups (Va: 0.63 ± 0.21 mm/s, 0.65 ± 0.32 mm/s and 0.72 ± 0.36 mm/s, respectively; Vs: 0.45 ± 0.15 mm/s, 0.46 ± 0.22 mm/s and 0.51 ± 0.25 mm/s) ( Table 3 ).

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