new drug aleya. they are drugs we inject directly into the eyeball which sounds gruesome but most of my patients after they have been through it couple times, it's not that bad. we have treatments very regularly, treatments we give it as frequently as every month. >> cheryl: does health care cover this? >> yes, that's right. >> cheryl: is that fantastic. what kind of success rate? >> about 70% of patients get benefit compared to your father's time period when we didn't have anything. >> cheryl: the steps that people can take to lower the risk because i was worried it was hereditary? >> there are factors in macular degeneration and in the future we will be able to plea district risk based on genes but it's not that strong of inheritance. >> so what are some of the things we should do and do reduce risk? >> screening with the ophthalmologist and if you are given a diagnosis of it one thing that helps for sure is stopping smoking. then there is also some benefit from high dose vitamins, it's been shown