The rice purity test is a national phenomenon that has taken the world by storm over the last several years. It is defined by Wikipedia: as a self graded survey that assesses the participants supposed degree of innocence in worldly matters (sex, drugs, deceit and other activities assumed to be vices).
The effect of laser treatment is typically not permanent, and many patients will eventually require medications. The most common laser treatments for glaucoma are selective laser trabeculoplasty (SLT) and argon laser trabeculoplasty (ALT).
When latanoprost and timolol (Timoptic) (a different drug that also is used to treat glaucoma) are used in combination, there is a greater reduction in pressure than when either drug is used alone. Latanoprost was approved by the FDA in 1996.