Glaucoma
may also occur secondary to anything which causes the iris to become
opposed to the peripheral cornea, closing off the anterior chamber angle.This may occur secondary to inflammation with secondary fibrotic
changes.Another common cause
of secondary angle closure glaucoma is neovascularization of the iris
surface or rubeosis iridis.Histopathologically,
the iris can be seen adherent to the posterior surface of the cornea, thus
closing off the trabecular meshwork (#21985, #21987).In cases of chronic inflammation, the angle is closed off by a
proliferation of fibrous tissue.In
the case of neovascular glaucoma, there is a sheet of fine vascular tissue
which grows along the surface of the iris with secondary fibrosis that
leads to closure of the angle(#21988).
