adj. situated at or near the back of the body or an organ. The posterior chamber of the eye is the rear section, behind the lens, which is filled with vitreous humour.
progressive clouding of the posterior lens capsule due to *Elschnig pearls and proliferation of lens fibres following extracapsular *cataract extraction by *phacoemulsification. This can lead to clouding of vision and is treated with YAG laser *capsulotomy.... posterior capsular opacification
Health Encyclopedia