What are the reasons for secondary glaucoma?

The secondary glaucoma common for the following reasons:
(1) secondary to iridocyclitis: ① acute iridocyclitis the water when a transient increase Department of inflammatory cells, exudation obstruction aqueous pathway or filter screens swelling, returning blocked, before the merger neighboring extensive adhesions, or membrane autistic pupil atresia due. ② heterochromic ciliary body inflammation, trabecular sclerosis or trabecular gap obstruction. ③ Glaucomatocyclitic crisis.
(2) secondary changes in the crystal: ① crystal dislocation stimulate the ciliary body, oppression angle. ② phacolytic glaucoma, cataract found in the mature stage. ③ senile cataract expansion period.
(3) traumatic glaucoma: ① eye contusion hyphema or angle recession, secondary glaucoma. ② piercing eyes after injury contents incarcerated, Crystal cortex spilled into the anterior chamber intraocular foreign body or retention, discipline of glaucoma.
(4) systemic or eye bleeding disorder: ① neovascular glaucoma, diabetic retinal lesions seen, central retinal vein occlusion, or retinal vein peri-ocular trauma. ② hemolytic glaucoma, vitreous hemorrhage for the destruction of red blood cells and hemoglobin-containing macrophages obstruction trabecular, cause acute elevation of intraocular pressure.
(5) secondary to intraocular tumors: eyes plot content increased, oppression obstruction angle.
(6) iatrogenic glaucoma: secondary to the use of drugs, such qualitative steroids, alpha-chymotrypsin, mydriasis agent, strong miotic agent (phosphorus iodine Ling).