Trade encourages specialisation, which brings prosperity; global capital markets, for all their problems, allocate money more efficiently than local ones; economic co-operation encourages confidence and enhances security. Yet despite its obvious benefits, the globalised economy is under threat.
RA (the most common disease cause) and Paget disease of the cervical spine can cause atlantoaxial dislocation or subluxation, basilar invagination, or platybasia. Metastatic tumors that affect bone can cause atlantoaxial dislocation or subluxation.
Although macular degeneration does not affect the disease process of glaucoma, it can contribute to decreased vision along with glaucoma. The vision loss that may occur in glaucoma usually affects side vision, whereas macular degeneration tends to affect central vision. If both conditions arise, though not actively affecting each other, the visual impairment that may result will affect a larger area of vision than just glaucoma alone.