Figure 1From: Systematic assessment of microneedle injection into the mouse corneaNeedles used for intrastromal injections. (A) Hamilton 33 G 30° beveled, (B) WPI 35 G 25° tri-surface beveled, (C) WPI glass needle hand-pulled from 1 mm diameter glass capillary to an inner diameter of approximately 50 μm and 25° beveled.Back to article page