Glaucoma of the hyaloid canal and the tunica vasculosa lentis is associated with other anomalies. Angle closure-induced ocular hypertension and glaucomatous optic neuropathy may also occur with these anomalies, and has been modelled in mice. Other factors can cause glaucoma, known as "secondary glaucoma", including prolonged use of steroids (steroid-induced glaucoma); conditions that severely restrict blood flow to the eye, such as severe diabetic retinopathy and central retinal vein occlusion (neovascular glaucoma); ocular trauma (angle-recession glaucoma); and inflammation of the middle layer of the pigmented vascular eye structure (uveitis), known as uveitic glaucoma. The underlying cause of open-angle glaucoma remains unclear.
Medical cannabis in the United States level. And Assembly Bill 1529 was approved in 1995, to create a medical necessity defense for patients using cannabis with a physician's recommendation, for treatment of AIDS, cancer, glaucoma, or multiple sclerosis. Both SB 1364 and AB 1529 were vetoed by Governor Pete Wilson, however, paving the way for the passage of Proposition 215 in 1996. Frustrated by vetoes of medical cannabis bills in successive years, medical cannabis advocates in California took the issue directly to the voters, collecting 775,000 signatures for qualification of a statewide ballot initiative in 1996. Proposition 215 – the Compassionate Use Act of 1996 –