filtering bleb

(redirected from filtering cicatrix)

filtering bleb

a blister of conjunctiva resulting from glaucoma surgery by which a flap of sclera is created in the eye wall, allowing aqueous humor to percolate out of the eye and underneath the conjunctiva, thus lowering intraocular pressure.
Synonym(s): filtering cicatrix
Farlex Partner Medical Dictionary © Farlex 2012

fil·ter·ing bleb

(fil'tĕr-ing bleb)
A blister of conjunctiva resulting from glaucoma surgery by which a flap of sclera is created in the eye wall, allowing aqueous humor to percolate out of the eye and underneath the conjunctiva, thus lowering intraocular pressure
Medical Dictionary for the Health Professions and Nursing © Farlex 2012