The British will have a routine eye test in the next 3 years that will screen for early signs of Alzheimers. It is believed the disease can be detected 20 years before symptoms are noticeable. The test is inexpensive and, at middle age, can be a part of a routine eye exam:
The technique, being pioneered at University College London, could
also speed up the development of medication capable of stopping the
disease in its tracks, preventing people from ever showing symptoms.