1 Some states require registration with a state-maintained registry of medical marijuana patients; other states make it optional. 2  For example, Colorado currently charges $35 for registration; Rhode Island charges $75. The. 2  Some states require registration with a state-maintained registry of medical marijuana patients; other states make it optional. 3  For example, Colorado currently charges $35 for registration; Rhode Island charges $75.
There is no pain associated with retinal detachment, but there are usually symptoms before the retina becomes detached. Primary symptoms include: 1  blurred vision. 2  partial vision loss (as if a curtain has been pulled across your field of vision).
In most cases detached retina only occurs in one eye. It is a medical emergency. The retina is a thin layer of light sensitive nerve cells at the back of the eye. Light goes through the optical system of the eye and hits the retina, as it does on the film of a (non-digital) camera.