Although its appearance may be alarming, in general a subconjunctival hemorrhage is a painless and harmless condition; however, it may be associated with high blood pressure, eye, or a base of skull fracture if there is no posterior border of the hemorrhage visible.
12.
In comparison to the glaucoma drainage devices that use an ab externo procedure, ab interno implants, such as the Xen Gel Stent, are transscleral implants to channel aqueous humor into the non-dissected Tenon's space, creating a subconjunctival drainage area similar to a bleb.
