A series of four diagnostic tests is needed. These four tests are currently available in optometrists' offices and are now being used for other purposes. No expensive examination equipment needs to be added. One of the tests, the contrast sensitivity test, will add additional time to an eye exam and may, therefore, result in a slight increase in the cost of an eye exam. The contrast sensitivity test is not currently covered by Medicare.
Treatment is readily available.
It consists of consuming moderate amounts of spinach and other dark green leafy vegetables that contain the nutrient lutein. Diet is preferable but some multivitamin ocular formulas containing lutein and other nutrients in spinach are available. People, however, should discuss these supplements with their optometrist or physician. Everyone should eat a healthy diet that includes five fruits and vegetables a day. One of the choices should be a dark green leafy vegetable such as spinach or kale.