Well, yes, high blood pressure can cause macular degeneration. First, you should know that macular degeneration referred to as AMD (age-related macular degeneration), and it is the leading cause of blindness in individuals over the age of 65. When it occurs, you may experience anything from a blurry, gray or distorted area to a blind spot in the center of vision. And generally speaking, high blood pressure may be more of a significant risk factor for developing wet age related macular degeneration according to some researches. So you should be careful about it. Also, ultraviolet light is a risk factor for macular degeneration, especially blue light which has been shown to cause damage to our retinas and is one of the causes of macular degeneration. Anyway, just pay more attention to it.