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).
1 In contrast to the cornea, conjunctiva and iris, the retina and optic nerve have no pain sensation. Therefore, diseases such as retinal degeneration, retinitis (inflammation of the retina) and optic neuritis (inflammation of the optic nerve) do not cause outward signs of pain.  Squinting or holding the eye closed.